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  1. Article ; Online: Precise Measurement of the D_{s}^{+} Lifetime at Belle II.

    Adachi, I / Aggarwal, L / Aihara, H / Akopov, N / Aloisio, A / Anh Ky, N / Asner, D M / Atmacan, H / Aushev, T / Aushev, V / Aversano, M / Babu, V / Bae, H / Bahinipati, S / Bambade, P / Banerjee, Sw / Barrett, M / Baudot, J / Bauer, M /
    Baur, A / Beaubien, A / Becker, J / Behera, P K / Bennett, J V / Bernlochner, F U / Bertacchi, V / Bertemes, M / Bertholet, E / Bessner, M / Bettarini, S / Bhuyan, B / Bianchi, F / Bilka, T / Biswas, D / Bodrov, D / Bondar, A / Bozek, A / Bračko, M / Branchini, P / Briere, R A / Browder, T E / Budano, A / Bussino, S / Campajola, M / Cao, L / Casarosa, G / Cecchi, C / Cerasoli, J / Chang, M-C / Chang, P / Cheema, P / Chekelian, V / Cheon, B G / Chilikin, K / Chirapatpimol, K / Cho, H-E / Cho, K / Choi, S-K / Choudhury, S / Cochran, J / Corona, L / Das, S / Dattola, F / De La Motte, S A / de Marino, G / De Nardo, G / De Nuccio, M / De Pietro, G / de Sangro, R / Destefanis, M / Dey, S / Dhamija, R / Di Canto, A / Di Capua, F / Dingfelder, J / Doležal, Z / Domínguez Jiménez, I / Dong, T V / Dorigo, M / Dort, K / Dreyer, S / Dubey, S / Dujany, G / Ecker, P / Epifanov, D / Feichtinger, P / Ferlewicz, D / Finck, C / Finocchiaro, G / Fodor, A / Forti, F / Frey, A / Fulsom, B G / Gabrielli, A / Ganiev, E / Garcia-Hernandez, M / Garmash, A / Gaudino, G / Gaur, V / Gaz, A / Gellrich, A / Ghevondyan, G / Ghosh, D / Ghumaryan, H / Giakoustidis, G / Giordano, R / Giri, A / Glazov, A / Gobbo, B / Godang, R / Gogota, O / Goldenzweig, P / Gradl, W / Graziani, E / Greenwald, D / Gruberová, Z / Gu, T / Guan, Y / Gudkova, K / Han, Y / Hayasaka, K / Hayashii, H / Hazra, S / Hearty, C / Heredia de la Cruz, I / Hershenhorn, A / Higuchi, T / Hill, E C / Hoek, M / Hohmann, M / Hsu, C-L / Humair, T / Iijima, T / Inami, K / Ipsita, N / Ishikawa, A / Ito, S / Itoh, R / Iwasaki, M / Jackson, P / Jacobs, W W / Jaffe, D E / Jang, E-J / Ji, Q P / Jia, S / Jin, Y / Junkerkalefeld, H / Kaliyar, A B / Kandra, J / Karyan, G / Kawasaki, T / Keil, F / Ketter, C / Kiesling, C / Kim, C-H / Kim, D Y / Kim, K-H / Kim, Y-K / Kindo, H / Kinoshita, K / Kodyš, P / Koga, T / Kohani, S / Kojima, K / Korobov, A / Korpar, S / Kowalewski, R / Kraetzschmar, T M G / Križan, P / Krokovny, P / Kuhr, T / Kumar, J / Kumar, M / Kumar, R / Kumara, K / Kuzmin, A / Kwon, Y-J / Lacaprara, S / Lai, Y-T / Lam, T / Lange, J S / Laurenza, M / Leboucher, R / Le Diberder, F R / Leitl, P / Levit, D / Lewis, P M / Li, L K / Libby, J / Liu, Q Y / Liu, Z Q / Liventsev, D / Longo, S / Lueck, T / Lyu, C / Ma, Y / Maggiora, M / Maharana, S P / Maiti, R / Maity, S / Manfredi, R / Manoni, E / Mantovano, M / Marcantonio, D / Marcello, S / Marinas, C / Martellini, C / Martini, A / Martinov, T / Massaccesi, L / Masuda, M / Matsuda, T / Matsuoka, K / Matvienko, D / Maurya, S K / McKenna, J A / Mehta, R / Meier, F / Merola, M / Metzner, F / Milesi, M / Miller, C / Mirra, M / Miyabayashi, K / Mohanty, G B / Molina-Gonzalez, N / Mondal, S / Moneta, S / Moser, H-G / Mrvar, M / Mussa, R / Nakamura, I / Nakazawa, Y / Narimani Charan, A / Naruki, M / Natkaniec, Z / Natochii, A / Nayak, L / Nazaryan, G / Nisar, N K / Nishida, S / Ono, H / Otani, F / Oxford, E R / Pakhlov, P / Pakhlova, G / Paladino, A / Panta, A / Paoloni, E / Pardi, S / Passeri, A / Patra, S / Paul, S / Pedlar, T K / Peruzzi, I / Peschke, R / Pestotnik, R / Pham, F / Piccolo, M / Piilonen, L E / Podobnik, T / Pokharel, S / Praz, C / Prell, S / Prencipe, E / Prim, M T / Purwar, H / Rados, P / Raeuber, G / Raiz, S / Reif, M / Reiter, S / Remnev, M / Ripp-Baudot, I / Rizzo, G / Roney, J M / Rostomyan, A / Rout, N / Russo, G / Sandilya, S / Sangal, A / Santelj, L / Sato, Y / Savinov, V / Scavino, B / Schmitt, C / Schwanda, C / Schwartz, A J / Seino, Y / Selce, A / Senyo, K / Serrano, J / Sevior, M E / Sfienti, C / Shan, W / Shi, X D / Shillington, T / Shiu, J-G / Shtol, D / Sibidanov, A / Simon, F / Sobie, R J / Sobotzik, M / Soffer, A / Sokolov, A / Solovieva, E / Spataro, S / Spruck, B / Starič, M / Stavroulakis, P / Stottler, Z S / Stroili, R / Sumihama, M / Svidras, H / Takahashi, M / Takizawa, M / Tamponi, U / Tanida, K / Tenchini, F / Tittel, O / Tonelli, D / Torassa, E / Trabelsi, K / Tsaklidis, I / Unger, K / Unno, Y / Uno, K / Uno, S / Urquijo, P / Ushiroda, Y / Vahsen, S E / van Tonder, R / Varvell, K E / Veronesi, M / Vismaya, V S / Vitale, L / Volpe, R / Wach, B / Wallner, S / Wang, E / Wang, M-Z / Wang, X L / Wang, Z / Warburton, A / Watanabe, M / Wessel, C / Won, E / Xu, X P / Yabsley, B D / Yamada, S / Yan, W / Yang, S B / Yoshihara, K / Yuan, C Z / Yusa, Y / Zhang, Y / Zhilich, V / Zhou, J S / Zhou, Q D / Zhukova, V I / Žlebčík, R

    Physical review letters

    2023  Volume 131, Issue 17, Page(s) 171803

    Abstract: We measure the lifetime of the D_{s}^{+} meson using a data sample of 207  fb^{-1} collected by the Belle II experiment running at the SuperKEKB asymmetric-energy e^{+}e^{-} collider. The lifetime is determined by fitting the decay-time distribution of a ...

    Abstract We measure the lifetime of the D_{s}^{+} meson using a data sample of 207  fb^{-1} collected by the Belle II experiment running at the SuperKEKB asymmetric-energy e^{+}e^{-} collider. The lifetime is determined by fitting the decay-time distribution of a sample of 116×10^{3} D_{s}^{+}→ϕπ^{+} decays. Our result is τ_{D_{s}^{+}}=(499.5±1.7±0.9)  fs, where the first uncertainty is statistical and the second is systematic. This result is significantly more precise than previous measurements.
    Language English
    Publishing date 2023-11-13
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.131.171803
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Measurement of the Λ_{c}^{+} Lifetime.

    Abudinén, F / Aggarwal, L / Ahmed, H / Ahn, J K / Aihara, H / Akopov, N / Aloisio, A / Anh Ky, N / Asner, D M / Atmacan, H / Aushev, T / Aushev, V / Babu, V / Bae, H / Bambade, P / Banerjee, Sw / Bansal, S / Baudot, J / Bauer, M /
    Baur, A / Beaubien, A / Becker, J / Bennett, J V / Bernieri, E / Bernlochner, F U / Bertacchi, V / Bertemes, M / Bertholet, E / Bessner, M / Bettarini, S / Bhardwaj, V / Bianchi, F / Bilka, T / Biswas, D / Bodrov, D / Bolz, A / Bonvicini, G / Bozek, A / Bračko, M / Branchini, P / Briere, R A / Browder, T E / Budano, A / Bussino, S / Campajola, M / Cao, L / Casarosa, G / Cecchi, C / Chang, M-C / Chang, P / Cheaib, R / Cheema, P / Chen, C / Chen, Y Q / Chen, Y-T / Cheon, B G / Chilikin, K / Chirapatpimol, K / Cho, H-E / Cho, K / Cho, S-J / Choi, S-K / Choudhury, S / Cinabro, D / Corona, L / Cremaldi, L M / Cunliffe, S / Dattola, F / De La Cruz-Burelo, E / De La Motte, S A / De Nardo, G / De Nuccio, M / De Pietro, G / de Sangro, R / Destefanis, M / De Yta-Hernandez, A / Dhamija, R / Di Canto, A / Di Capua, F / Dingfelder, J / Doležal, Z / Domínguez Jiménez, I / Dong, T V / Dorigo, M / Dort, K / Dossett, D / Dreyer, S / Dujany, G / Eliachevitch, M / Epifanov, D / Feichtinger, P / Ferber, T / Ferlewicz, D / Fillinger, T / Finocchiaro, G / Flood, K / Fodor, A / Forti, F / Frey, A / Fulsom, B G / Gabrielli, A / Ganiev, E / Garcia-Hernandez, M / Gaz, A / Gellrich, A / Ghevondyan, G / Giordano, R / Giri, A / Glazov, A / Gobbo, B / Godang, R / Goldenzweig, P / Gradl, W / Granderath, S / Greenwald, D / Gu, T / Guan, Y / Gudkova, K / Guilliams, J / Halder, S / Hara, K / Hartbrich, O / Hayasaka, K / Hayashii, H / Hazra, S / Hearty, C / Heredia de la Cruz, I / Hernández Villanueva, M / Hershenhorn, A / Higuchi, T / Hohmann, M / Humair, T / Iijima, T / Inami, K / Inguglia, G / Ipsita, N / Ishikawa, A / Ito, S / Itoh, R / Iwasaki, M / Iwasaki, Y / Jackson, P / Jacobs, W W / Jaffe, D E / Ji, Q P / Jin, Y / Junkerkalefeld, H / Kaleta, M / Kandra, J / Kang, K H / Karl, R / Karyan, G / Kiesling, C / Kim, C-H / Kim, D Y / Kim, K-H / Kim, Y-K / Kindo, H / Kinoshita, K / Kodyš, P / Koga, T / Kohani, S / Kojima, K / Korobov, A / Korpar, S / Kovalenko, E / Kowalewski, R / Kraetzschmar, T M G / Križan, P / Krokovny, P / Kuhr, T / Kumar, J / Kumar, R / Kumara, K / Kunigo, T / Kwon, Y-J / Lacaprara, S / Lam, T / Lanceri, L / Lange, J S / Laurenza, M / Leboucher, R / Lee, S C / Leitl, P / Levit, D / Li, L K / Li, S X / Li, Y B / Libby, J / Liptak, Z / Liu, Q Y / Liventsev, D / Longo, S / Lueck, T / Lyu, C / Maggiora, M / Maiti, R / Maity, S / Manfredi, R / Manoni, E / Marcello, S / Marinas, C / Martel, L / Martini, A / Massaccesi, L / Masuda, M / Matsuoka, K / Matvienko, D / McKenna, J A / Meier, F / Merola, M / Milesi, M / Miller, C / Miyabayashi, K / Mohanty, G B / Molina-Gonzalez, N / Moneta, S / Moon, H / Moser, H-G / Mrvar, M / Mussa, R / Nakamura, I / Nakao, M / Nakayama, H / Narimani Charan, A / Naruki, M / Natkaniec, Z / Natochii, A / Nayak, L / Nayak, M / Nazaryan, G / Niebuhr, C / Nisar, N K / Nishida, S / Nishimura, K / Ono, H / Oskin, P / Oxford, E R / Pakhlova, G / Paladino, A / Panta, A / Paoloni, E / Pardi, S / Parham, K / Park, H / Park, S-H / Passeri, A / Pedlar, T K / Peruzzi, I / Peschke, R / Pestotnik, R / Pham, F / Piilonen, L E / Pinna Angioni, G / Podesta-Lerma, P L M / Podobnik, T / Pokharel, S / Polat, L / Praz, C / Prell, S / Prencipe, E / Prim, M T / Purwar, H / Rad, N / Rados, P / Raiz, S / Reif, M / Reiter, S / Ripp-Baudot, I / Rizzo, G / Robertson, S H / Roney, J M / Rostomyan, A / Rout, N / Russo, G / Sanders, D A / Sandilya, S / Sangal, A / Santelj, L / Sato, Y / Savinov, V / Scavino, B / Schwanda, C / Schwartz, A J / Seino, Y / Selce, A / Senyo, K / Serrano, J / Sfienti, C / Shen, C P / Shillington, T / Shiu, J-G / Sibidanov, A / Simon, F / Sobie, R J / Soffer, A / Sokolov, A / Solovieva, E / Spataro, S / Spruck, B / Starič, M / Stefkova, S / Stroili, R / Strube, J / Sumihama, M / Sumisawa, K / Sutcliffe, W / Suzuki, S Y / Svidras, H / Takahashi, M / Takizawa, M / Tamponi, U / Tanaka, S / Tanida, K / Tanigawa, H / Taniguchi, N / Tenchini, F / Tiwary, R / Tonelli, D / Torassa, E / Toutounji, N / Trabelsi, K / Uchida, M / Unger, K / Unno, Y / Uno, K / Uno, S / Urquijo, P / Ushiroda, Y / Vahsen, S E / van Tonder, R / Varner, G S / Varvell, K E / Vinokurova, A / Vitale, L / Vobbilisetti, V / Waheed, E / Wakeling, H M / Wang, E / Wang, M-Z / Wang, X L / Warburton, A / Watanuki, S / Welsch, M / Wessel, C / Wiechczynski, J / Windel, H / Won, E / Xu, X P / Yabsley, B D / Yamada, S / Yang, S B / Ye, H / Yelton, J / Yin, J H / Yoshihara, K / Yusa, Y / Zhang, Y / Zhilich, V / Zhou, Q D / Zhukova, V I / Žlebčík, R

    Physical review letters

    2023  Volume 130, Issue 7, Page(s) 71802

    Abstract: An absolute measurement of the Λ_{c}^{+} lifetime is reported using Λ_{c}^{+}→pK^{-}π^{+} decays in events reconstructed from data collected by the Belle II experiment at the SuperKEKB asymmetric-energy electron-positron collider. The total integrated ... ...

    Abstract An absolute measurement of the Λ_{c}^{+} lifetime is reported using Λ_{c}^{+}→pK^{-}π^{+} decays in events reconstructed from data collected by the Belle II experiment at the SuperKEKB asymmetric-energy electron-positron collider. The total integrated luminosity of the data sample, which was collected at center-of-mass energies at or near the ϒ(4S) resonance, is 207.2  fb^{-1}. The result, τ(Λ_{c}^{+})=203.20±0.89±0.77  fs, where the first uncertainty is statistical and the second systematic, is the most precise measurement to date and is consistent with previous determinations.
    Language English
    Publishing date 2023-03-02
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.130.071802
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Precise Measurement of the D^{0} and D^{+} Lifetimes at Belle II.

    Abudinén, F / Adachi, I / Adamczyk, K / Aggarwal, L / Ahmed, H / Aihara, H / Akopov, N / Aloisio, A / Anh Ky, N / Asner, D M / Atmacan, H / Aushev, V / Babu, V / Bacher, S / Bae, H / Baehr, S / Bahinipati, S / Bambade, P / Banerjee, Sw /
    Bansal, S / Barrett, M / Baudot, J / Bauer, M / Baur, A / Becker, J / Behera, P K / Bennett, J V / Bernieri, E / Bernlochner, F U / Bertemes, M / Bertholet, E / Bessner, M / Bettarini, S / Bhardwaj, V / Bianchi, F / Bilka, T / Bilokin, S / Biswas, D / Bobrov, A / Bodrov, D / Bolz, A / Bozek, A / Bračko, M / Branchini, P / Braun, N / Briere, R A / Browder, T E / Budano, A / Bussino, S / Campajola, M / Cao, L / Casarosa, G / Cecchi, C / Červenkov, D / Chang, M-C / Chang, P / Cheaib, R / Chekelian, V / Chen, C / Chen, Y-T / Cheon, B G / Chilikin, K / Chirapatpimol, K / Cho, H-E / Cho, K / Cho, S-J / Choi, S-K / Choudhury, S / Cinabro, D / Corona, L / Cremaldi, L M / Cunliffe, S / Czank, T / Dattola, F / De La Cruz-Burelo, E / de Marino, G / De Nardo, G / De Pietro, G / de Sangro, R / Destefanis, M / Dey, S / De Yta-Hernandez, A / Di Canto, A / Di Capua, F / Dingfelder, J / Doležal, Z / Domínguez Jiménez, I / Dong, T V / Dorigo, M / Dort, K / Dossett, D / Dubey, S / Duell, S / Dujany, G / Ecker, P / Epifanov, D / Ferber, T / Ferlewicz, D / Finocchiaro, G / Flood, K / Fodor, A / Forti, F / Fulsom, B G / Gabrielli, A / Gabyshev, N / Gaz, A / Gellrich, A / Giakoustidis, G / Giordano, R / Giri, A / Glazov, A / Gobbo, B / Godang, R / Goldenzweig, P / Golob, B / Gradl, W / Graziani, E / Greenwald, D / Gu, T / Guan, Y / Gudkova, K / Guilliams, J / Hadjivasiliou, C / Halder, S / Hara, K / Hara, T / Hartbrich, O / Hayasaka, K / Hayashii, H / Hazra, S / Hearty, C / Heredia de la Cruz, I / Hernández Villanueva, M / Hershenhorn, A / Higuchi, T / Hill, E C / Hirata, H / Hoek, M / Hohmann, M / Hsu, C-L / Humair, T / Iijima, T / Inami, K / Inguglia, G / Ishikawa, A / Itoh, R / Iwasaki, M / Iwasaki, Y / Jacobs, W W / Jaffe, D E / Jang, E-J / Jia, S / Jin, Y / Junkerkalefeld, H / Kakuno, H / Kaliyar, A B / Kandra, J / Kang, K H / Karl, R / Karyan, G / Kato, Y / Kawasaki, T / Kiesling, C / Kim, C-H / Kim, D Y / Kim, Y-K / Kim, Y / Kimmel, T D / Kinoshita, K / Kodyš, P / Koga, T / Kohani, S / Konno, T / Korpar, S / Kovalenko, E / Kowalewski, R / Kraetzschmar, T M G / Krinner, F / Križan, P / Krokovny, P / Kuhr, T / Kumar, J / Kumar, M / Kumar, R / Kumara, K / Kurz, S / Kuzmin, A / Kwon, Y-J / Lacaprara, S / Lalwani, K / Lam, T / Lanceri, L / Lange, J S / Laurenza, M / Lautenbach, K / Le Diberder, F R / Lee, S C / Leitl, P / Levit, D / Li, C / Li, L K / Libby, J / Lieret, K / Liptak, Z / Liu, Q Y / Liventsev, D / Longo, S / Lueck, T / Lyu, C / Manfredi, R / Manoni, E / Marinas, C / Martini, A / Matsuda, T / Matsuoka, K / Matvienko, D / McKenna, J A / Meier, F / Merola, M / Metzner, F / Miller, C / Miyabayashi, K / Mizuk, R / Mohanty, G B / Molina-Gonzalez, N / Moon, H / Moser, H-G / Mrvar, M / Murphy, C / Mussa, R / Nakamura, I / Nakamura, K R / Nakao, M / Nakazawa, H / Natkaniec, Z / Natochii, A / Nazaryan, G / Niebuhr, C / Niiyama, M / Nisar, N K / Nishida, S / Nishimura, K / Ogawa, S / Onishchuk, Y / Ono, H / Onuki, Y / Oskin, P / Oxford, E R / Ozaki, H / Pakhlov, P / Paladino, A / Pang, T / Panta, A / Paoloni, E / Pardi, S / Park, H / Park, S-H / Paschen, B / Passeri, A / Pathak, A / Patra, S / Paul, S / Pedlar, T K / Peruzzi, I / Peschke, R / Pestotnik, R / Pham, F / Piccolo, M / Piilonen, L E / Pinna Angioni, G / Podesta-Lerma, P L M / Podobnik, T / Pokharel, S / Polat, G / Popov, V / Praz, C / Prell, S / Prencipe, E / Prim, M T / Purohit, M V / Purwar, H / Rad, N / Rados, P / Raiz, S / Reiter, S / Remnev, M / Ripp-Baudot, I / Rizzo, G / Rizzuto, L B / Robertson, S H / Roney, J M / Rostomyan, A / Rout, N / Rozanska, M / Sahoo, D / Sanders, D A / Sandilya, S / Sangal, A / Santelj, L / Sato, Y / Savinov, V / Scavino, B / Schueler, J / Schwanda, C / Schwartz, A J / Seino, Y / Selce, A / Senyo, K / Serrano, J / Sfienti, C / Shiu, J-G / Shwartz, B / Sibidanov, A / Simon, F / Sobie, R J / Soffer, A / Sokolov, A / Solovieva, E / Spataro, S / Spruck, B / Starič, M / Stefkova, S / Stottler, Z S / Stroili, R / Strube, J / Sumihama, M / Sutcliffe, W / Suzuki, S Y / Svidras, H / Tabata, M / Takizawa, M / Tamponi, U / Tanaka, S / Tanida, K / Tanigawa, H / Taniguchi, N / Tenchini, F / Tiwary, R / Tonelli, D / Torassa, E / Toutounji, N / Trabelsi, K / Tsuboyama, T / Ueda, I / Uehara, S / Uematsu, Y / Uglov, T / Unger, K / Unno, Y / Uno, K / Uno, S / Urquijo, P / Ushiroda, Y / Usov, Y V / Vahsen, S E / van Tonder, R / Varner, G S / Vinokurova, A / Vitale, L / Vossen, A / Waheed, E / Wakeling, H M / Wang, E / Wang, M-Z / Wang, X L / Warburton, A / Watanabe, M / Welsch, M / Wessel, C / Wiechczynski, J / Won, E / Xu, X P / Yabsley, B D / Yamada, S / Yan, W / Yang, S B / Ye, H / Yelton, J / Yin, J H / Yoshihara, K / Yusa, Y / Zani, L / Zhilich, V / Zhou, Q D / Zhou, X Y / Zhukova, V I / Žlebčík, R

    Physical review letters

    2021  Volume 127, Issue 21, Page(s) 211801

    Abstract: We report a measurement of the D^{0} and D^{+} lifetimes using D^{0}→K^{-}π^{+} and D^{+}→K^{-}π^{+}π^{+} decays reconstructed in e^{+}e^{-}→cc[over ¯] data recorded by the Belle II experiment at the SuperKEKB asymmetric-energy e^{+}e^{-} collider. The ... ...

    Abstract We report a measurement of the D^{0} and D^{+} lifetimes using D^{0}→K^{-}π^{+} and D^{+}→K^{-}π^{+}π^{+} decays reconstructed in e^{+}e^{-}→cc[over ¯] data recorded by the Belle II experiment at the SuperKEKB asymmetric-energy e^{+}e^{-} collider. The data, collected at center-of-mass energies at or near the ϒ(4S) resonance, correspond to an integrated luminosity of 72  fb^{-1}. The results, τ(D^{0})=410.5±1.1(stat)±0.8(syst)  fs and τ(D^{+})=1030.4±4.7(stat)±3.1(syst)  fs, are the most precise to date and are consistent with previous determinations.
    Language English
    Publishing date 2021-12-03
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.127.211801
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Book ; Online: Measurement of the branching fractions of $B\to\eta' K$ decays using 2019/2020 Belle II data

    Belle II Collaboration / Abudinén, F. / Adachi, I. / Adak, R. / Adamczyk, K. / Ahlburg, P. / Ahn, J. K. / Aihara, H. / Akopov, N. / Aloisio, A. / Ameli, F. / Andricek, L. / Ky, N. Anh / Asner, D. M. / Atmacan, H. / Aulchenko, V. / Aushev, T. / Aushev, V. / Aziz, T. /
    Babu, V. / Bacher, S. / Baehr, S. / Bahinipati, S. / Bakich, A. M. / Bambade, P. / Banerjee, Sw. / Bansal, S. / Barrett, M. / Batignani, G. / Baudot, J. / Beaulieu, A. / Becker, J. / Behera, P. K. / Bender, M. / Bennett, J. V. / Bernieri, E. / Bernlochner, F. U. / Bertemes, M. / Bertholet, E. / Bessner, M. / Bettarini, S. / Bhardwaj, V. / Bhuyan, B. / Bianchi, F. / Bilka, T. / Bilokin, S. / Biswas, D. / Bobrov, A. / Bondar, A. / Bonvicini, G. / Bozek, A. / Bračko, M. / Branchini, P. / Braun, N. / Briere, R. A. / Browder, T. E. / Brown, D. N. / Budano, A. / Burmistrov, L. / Bussino, S. / Campajola, M. / Cao, L. / Caria, G. / Casarosa, G. / Cecchi, C. / Červenkov, D. / Chang, M. C. / Chang, P. / Cheaib, R. / Chekelian, V. / Chen, C. / Chen, Y. Q. / Chen, Y. T. / Cheon, B. G. / Chilikin, K. / Chirapatpimol, K. / Cho, H. E. / Cho, K. / Cho, S. J. / Choi, S. K. / Choudhury, S. / Cinabro, D. / Corona, L. / Cremaldi, L. M. / Cuesta, D. / Cunliffe, S. / Czank, T. / Dash, N. / Dattola, F. / De La Cruz-Burelo, E. / de Marino, G. / De Nardo, G. / De Nuccio, M. / De Pietro, G. / de Sangro, R. / Deschamps, B. / Destefanis, M. / Dey, S. / De Yta-Hernandez, A. / Di Canto, A. / Di Capua, F. / Di Carlo, S. / Dingfelder, J. / Doležal, Z. / Jiménez, I. Domínguez / Dong, T. V. / Dort, K. / Dossett, D. / Dubey, S. / Duell, S. / Dujany, G. / Eidelman, S. / Eliachevitch, M. / Epifanov, D. / Fast, J. E. / Ferber, T. / Ferlewicz, D. / Fillinger, T. / Finocchiaro, G. / Fiore, S. / Fioroni, V. / Fischer, P. / Fodor, A. / Forti, F. / Frey, A. / Friedl, M. / Fulsom, B. G. / Gabriel, M. / Gabyshev, N. / Ganiev, E. / Garcia-Hernandez, M. / Garg, R. / Garmash, A. / Gaur, V. / Gaz, A. / Gebauer, U. / Gelb, M. / Gellrich, A. / Gemmler, J. / Geßler, T. / Getzkow, D. / Giordano, R. / Giri, A. / Glazov, A. / Gobbo, B. / Godang, R. / Goldenzweig, P. / Golob, B. / Gomis, P. / Grace, P. / Gradl, W. / Graziani, E. / Greenwald, D. / Guan, Y. / Hadjivasiliou, C. / Halder, S. / Hara, K. / Hara, T. / Hartbrich, O. / Hayasaka, K. / Hayashii, H. / Hazra, S. / Hearty, C. / Hedges, M. T. / de la Cruz, I. Heredia / Villanueva, M. Hernández / Hershenhorn, A. / Higuchi, T. / Hill, E. C. / Hirata, H. / Hoek, M. / Hohmann, M. / Hollitt, S. / Hotta, T. / Hsu, C. L. / Hu, Y. / Huang, K. / Humair, T. / Iijima, T. / Inami, K. / Inguglia, G. / Jabbar, J. Irakkathil / Ishikawa, A. / Itoh, R. / Iwasaki, M. / Iwasaki, Y. / Iwata, S. / Jackson, P. / Jacobs, W. W. / Jaegle, I. / Jaffe, D. E. / Jang, E. J. / Jeandron, M. / Jeon, H. B. / Jia, S. / Jin, Y. / Joo, C. / Joo, K. K. / Junkerkalefeld, H. / Kadenko, I. / Kahn, J. / Kakuno, H. / Kaliyar, A. B. / Kandra, J. / Kang, K. H. / Kapusta, P. / Karl, R. / Karyan, G. / Kato, Y. / Kawai, H. / Kawasaki, T. / Keck, T. / Ketter, C. / Kichimi, H. / Kiesling, C. / Kim, B. H. / Kim, C. H. / Kim, D. Y. / Kim, H. J. / Kim, K. H. / Kim, K. / Kim, S. H. / Kim, Y. K. / Kim, Y. / Kimmel, T. D. / Kindo, H. / Kinoshita, K. / Kirby, B. / Kleinwort, C. / Knysh, B. / Kodyš, P. / Koga, T. / Kohani, S. / Komarov, I. / Konno, T. / Korpar, S. / Kovalchuk, N. / Kraetzschmar, T. M. G. / Krinner, F. / Križan, P. / Kroeger, R. / Krohn, J. F. / Krokovny, P. / Krüger, H. / Kuehn, W. / Kuhr, T. / Kumar, J. / Kumar, M. / Kumar, R. / Kumara, K. / Kumita, T. / Kunigo, T. / Künzel, M. / Kurz, S. / Kuzmin, A. / Kvasnička, P. / Kwon, Y. J. / Lacaprara, S. / Lai, Y. T. / La Licata, C. / Lalwani, K. / Lanceri, L. / Lange, J. S. / Lautenbach, K. / Laycock, P. J. / Diberder, F. R. Le / Lee, I. S. / Lee, S. C. / Leitl, P. / Levit, D. / Lewis, P. M. / Li, C. / Li, L. K. / Li, S. X. / Li, Y. B. / Libby, J. / Lieret, K. / Gioi, L. Li / Lin, J. / Liptak, Z. / Liu, Q. Y. / Liu, Z. A. / Liventsev, D. / Longo, S. / Loos, A. / Lu, P. / Lubej, M. / Lueck, T. / Luetticke, F. / Luo, T. / Lyu, C. / MacQueen, C. / Maeda, Y. / Maggiora, M. / Maity, S. / Manfredi, R. / Manoni, E. / Marcello, S. / Marinas, C. / Martini, A. / Masuda, M. / Matsuda, T. / Matsuoka, K. / Matvienko, D. / McNeil, J. / Meggendorfer, F. / Mei, J. C. / Meier, F. / Merola, M. / Metzner, F. / Milesi, M. / Miller, C. / Miyabayashi, K. / Miyake, H. / Miyata, H. / Mizuk, R. / Azmi, K. / Mohanty, G. B. / Moon, H. / Moon, T. / Grimaldo, J. A. Mora / Morii, T. / Moser, H. G. / Mrvar, M. / Mueller, F. / Müller, F. J. / Muller, Th. / Muroyama, G. / Murphy, C. / Mussa, R. / Nakagiri, K. / Nakamura, I. / Nakamura, K. R. / Nakano, E. / Nakao, M. / Nakayama, H. / Nakazawa, H. / Nanut, T. / Natkaniec, Z. / Natochii, A. / Nayak, M. / Nazaryan, G. / Neverov, D. / Niebuhr, C. / Niiyama, M. / Ninkovic, J. / Nisar, N. K. / Nishida, S. / Nishimura, K. / Nishimura, M. / Nouxman, M. H. A. / Oberhof, B. / Ogawa, K. / Ogawa, S. / Olsen, S. L. / Onishchuk, Y. / Ono, H. / Onuki, Y. / Oskin, P. / Oxford, E. R. / Ozaki, H. / Pakhlov, P. / Pakhlova, G. / Paladino, A. / Pang, T. / Panta, A. / Paoloni, E. / Pardi, S. / Park, H. / Park, S. H. / Paschen, B. / Passeri, A. / Pathak, A. / Patra, S. / Paul, S. / Pedlar, T. K. / Peruzzi, I. / Peschke, R. / Pestotnik, R. / Piccolo, M. / Piilonen, L. E. / Podesta-Lerma, P. L. M. / Polat, G. / Popov, V. / Praz, C. / Prell, S. / Prencipe, E. / Prim, M. T. / Purohit, M. V. / Rad, N. / Rados, P. / Raiz, S. / Rasheed, R. / Reif, M. / Reiter, S. / Remnev, M. / Resmi, P. K. / Ripp-Baudot, I. / Ritter, M. / Ritzert, M. / Rizzo, G. / Rizzuto, L. B. / Robertson, S. H. / Pérez, D. Rodríguez / Roney, J. M. / Rosenfeld, C. / Rostomyan, A. / Rout, N. / Rozanska, M. / Russo, G. / Sahoo, D. / Sakai, Y. / Sanders, D. A. / Sandilya, S. / Sangal, A. / Santelj, L. / Sartori, P. / Sasaki, J. / Sato, Y. / Savinov, V. / Scavino, B. / Schram, M. / Schreeck, H. / Schueler, J. / Schwanda, C. / Schwartz, A. J. / Schwenker, B. / Seddon, R. M. / Seino, Y. / Selce, A. / Senyo, K. / Seong, I. S. / Serrano, J. / Sevior, M. E. / Sfienti, C. / Shebalin, V. / Shen, C. P. / Shibuya, H. / Shiu, J. G. / Shwartz, B. / Sibidanov, A. / Simon, F. / Singh, J. B. / Skambraks, S. / Smith, K. / Sobie, R. J. / Soffer, A. / Sokolov, A. / Soloviev, Y. / Solovieva, E. / Spataro, S. / Spruck, B. / Starič, M. / Stefkova, S. / Stottler, Z. S. / Stroili, R. / Strube, J. / Stypula, J. / Sumihama, M. / Sumisawa, K. / Sumiyoshi, T. / Summers, D. J. / Sutcliffe, W. / Suzuki, K. / Suzuki, S. Y. / Svidras, H. / Tabata, M. / Takahashi, M. / Takizawa, M. / Tamponi, U. / Tanaka, S. / Tanida, K. / Tanigawa, H. / Taniguchi, N. / Tao, Y. / Taras, P. / Tenchini, F. / Tonelli, D. / Torassa, E. / Trabelsi, K. / Tsuboyama, T. / Tsuzuki, N. / Uchida, M. / Ueda, I. / Uehara, S. / Ueno, T. / Uglov, T. / Unger, K. / Unno, Y. / Uno, S. / Urquijo, P. / Ushiroda, Y. / Usov, Y. V. / Vahsen, S. E. / van Tonder, R. / Varner, G. S. / Varvell, K. E. / Vinokurova, A. / Vitale, L. / Vorobyev, V. / Vossen, A. / Wach, B. / Waheed, E. / Wakeling, H. M. / Wan, K. / Abdullah, W. Wan / Wang, B. / Wang, C. H. / Wang, M. Z. / Wang, X. L. / Warburton, A. / Watanabe, M. / Watanuki, S. / Webb, J. / Wehle, S. / Welsch, M. / Wessel, C. / Wiechczynski, J. / Wieduwilt, P. / Windel, H. / Won, E. / Wu, L. J. / Xu, X. P. / Yabsley, B. / Yamada, S. / Yan, W. / Yang, S. B. / Ye, H. / Yelton, J. / Yeo, I. / Yin, J. H. / Yonenaga, M. / Yook, Y. M. / Yoshihara, K. / Yoshinobu, T. / Yuan, C. Z. / Yuan, G. / Yusa, Y. / Zani, L. / Zhang, J. Z. / Zhang, Y. / Zhang, Z. / Zhilich, V. / Zhou, Q. D. / Zhou, X. Y. / Zhukova, V. I. / Zhulanov, V. / Zupanc, A.

    2021  

    Abstract: This note describes the rediscovery of $B\to\eta' K$ decays in Belle II data, both in the charged and neutral final state: $B_0\to\eta' K_S$ and $B^\pm\to\eta' K^\pm$. The $\eta'$ is searched for in two decay modes: $\eta'\to\eta\pi^+\pi^-$ with $\eta\to\ ...

    Abstract This note describes the rediscovery of $B\to\eta' K$ decays in Belle II data, both in the charged and neutral final state: $B_0\to\eta' K_S$ and $B^\pm\to\eta' K^\pm$. The $\eta'$ is searched for in two decay modes: $\eta'\to\eta\pi^+\pi^-$ with $\eta\to\gamma\gamma$, and $\eta'\to\rho\gamma$. The analysis uses data collected in 2019 and 2020 at the SuperKEKB asymmetric $e^+e^-$ collider, with an integrated luminosity of $62.8~fb^{-1}$, corresponding to $68.2$ million of $B\bar{B}$ pairs produced. The signal yield is obtained via an unbinned maximum likelihood fit to signal sensitive variables, obtaining branching ratios: $$\mathcal{B}\left(B^\pm\to\eta'K^\pm\right) = \left(63.4~^{+3.4}_{-3.3}\,(stat)\,\pm3.2\,(syst)\,\right) \times10^{-6} $$ $$\mathcal{B}\left(B_0\to\eta'K_S\right) = \left(59.9~^{+5.8}_{-5.5}\,(stat)\,\pm2.9\,(syst)\,\right) \times10^{-6} $$ which are consistent with world average.

    Comment: 17 pages, 6 figures
    Keywords High Energy Physics - Experiment
    Subject code 551
    Publishing date 2021-04-13
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Book ; Online: Angular analysis of $B^+ \to \rho^+\rho^0$ decays reconstructed in 2019-2020 Belle II data

    Belle II collaboration / Abudinén, F. / Adachi, I. / Adak, R. / Adamczyk, K. / Ahlburg, P. / Ahn, J. K. / Aihara, H. / Akopov, N. / Aloisio, A. / Ameli, F. / Andricek, L. / Ky, N. Anh / Asner, D. M. / Atmacan, H. / Aulchenko, V. / Aushev, T. / Aushev, V. / Aziz, T. /
    Babu, V. / Bacher, S. / Baehr, S. / Bahinipati, S. / Bakich, A. M. / Bambade, P. / Banerjee, Sw. / Bansal, S. / Barrett, M. / Batignani, G. / Baudot, J. / Beaulieu, A. / Becker, J. / Behera, P. K. / Bender, M. / Bennett, J. V. / Bernieri, E. / Bernlochner, F. U. / Bertemes, M. / Bertholet, E. / Bessner, M. / Bettarini, S. / Bhardwaj, V. / Bhuyan, B. / Bianchi, F. / Bilka, T. / Bilokin, S. / Biswas, D. / Bobrov, A. / Bondar, A. / Bonvicini, G. / Bozek, A. / Brač, M. / Branchini, P. / Braun, N. / Briere, R. A. / Browder, T. E. / Brown, D. N. / Budano, A. / Burmistrov, L. / Bussino, S. / Campajola, M. / Cao, L. / Caria, G. / Casarosa, G. / Cecchi, C. / Č, D. / Chang, M. -C. / Chang, P. / Cheaib, R. / Chekelian, V. / Chen, C. / Chen, Y. Q. / Chen, Y. -T. / Cheon, B. G. / Chilikin, K. / Chirapatpimol, K. / Cho, H. -E. / Cho, K. / Cho, S. -J. / Choi, S. -K. / Choudhury, S. / Cinabro, D. / Corona, L. / Cremaldi, L. M. / Cuesta, D. / Cunliffe, S. / Czank, T. / Dash, N. / Dattola, F. / De La Cruz-Burelo, E. / de Marino, G. / De Nardo, G. / De Nuccio, M. / De Pietro, G. / de Sangro, R. / Deschamps, B. / Destefanis, M. / Dey, S. / De Yta-Hernandez, A. / Di Canto, A. / Di Capua, F. / Di Carlo, S. / Dingfelder, J. / Dolež, Z. / Domí, I. / Dong, T. V. / Dort, K. / Dossett, D. / Dubey, S. / Duell, S. / Dujany, G. / Eidelman, S. / Eliachevitch, M. / Epifanov, D. / Fast, J. E. / Ferber, T. / Ferlewicz, D. / Fillinger, T. / Finocchiaro, G. / Fiore, S. / Fischer, P. / Fodor, A. / Forti, F. / Frey, A. / Friedl, M. / Fulsom, B. 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K. / Junkerkalefeld, H. / Kadenko, I. / Kahn, J. / Kakuno, H. / Kaliyar, A. B. / Kandra, J. / Kang, K. H. / Kapusta, P. / Karl, R. / Karyan, G. / Kato, Y. / Kawai, H. / Kawasaki, T. / Keck, T. / Ketter, C. / Kichimi, H. / Kiesling, C. / Kim, B. H. / Kim, C. -H. / Kim, D. Y. / Kim, H. J. / Kim, K. -H. / Kim, K. / Kim, S. -H. / Kim, Y. -K. / Kim, Y. / Kimmel, T. D. / Kindo, H. / Kinoshita, K. / Kirby, B. / Kleinwort, C. / Knysh, B. / Kodyš, P. / Koga, T. / Kohani, S. / Komarov, I. / Konno, T. / Korobov, A. / Korpar, S. / Kovalchuk, N. / Kovalenko, E. / Kraetzschmar, T. M. G. / Krinner, F. / Križ, P. / Kroeger, R. / Krohn, J. F. / Krokovny, P. / Krüger, H. / Kuehn, W. / Kuhr, T. / Kumar, J. / Kumar, M. / Kumar, R. / Kumara, K. / Kumita, T. / Kunigo, T. / Kü, M. / Kurz, S. / Kuzmin, A. / Kvasnič, P. / Kwon, Y. -J. / Lacaprara, S. / Lai, Y. -T. / La Licata, C. / Lalwani, K. / Lanceri, L. / Lange, J. S. / Laurenza, M. / Lautenbach, K. / Laycock, P. J. / Diberder, F. R. 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H. / Rodrí, D. / Roney, J. M. / Rosenfeld, C. / Rostomyan, A. / Rout, N. / Rozanska, M. / Russo, G. / Sahoo, D. / Sakai, Y. / Sanders, D. A. / Sandilya, S. / Sangal, A. / Santelj, L. / Sartori, P. / Sasaki, J. / Sato, Y. / Savinov, V. / Scavino, B. / Schram, M. / Schreeck, H. / Schueler, J. / Schwanda, C. / Schwartz, A. J. / Schwenker, B. / Seddon, R. M. / Seino, Y. / Selce, A. / Senyo, K. / Seong, I. S. / Serrano, J. / Sevior, M. E. / Sfienti, C. / Shebalin, V. / Shen, C. P. / Shibuya, H. / Shiu, J. -G. / Shwartz, B. / Sibidanov, A. / Simon, F. / Singh, J. B. / Skambraks, S. / Smith, K. / Sobie, R. J. / Soffer, A. / Sokolov, A. / Soloviev, Y. / Solovieva, E. / Spataro, S. / Spruck, B. / Starič, M. / Stefkova, S. / Stottler, Z. S. / Stroili, R. / Strube, J. / Stypula, J. / Sumihama, M. / Sumisawa, K. / Sumiyoshi, T. / Summers, D. J. / Sutcliffe, W. / Suzuki, K. / Suzuki, S. Y. / Svidras, H. / Tabata, M. / Takahashi, M. / Takizawa, M. / Tamponi, U. / Tanaka, S. / Tanida, K. / Tanigawa, H. / Taniguchi, N. / Tao, Y. / Taras, P. / Tenchini, F. / Tonelli, D. / Torassa, E. / Trabelsi, K. / Tsuboyama, T. / Tsuzuki, N. / Uchida, M. / Ueda, I. / Uehara, S. / Ueno, T. / Uglov, T. / Unger, K. / Unno, Y. / Uno, S. / Urquijo, P. / Ushiroda, Y. / Usov, Y. V. / Vahsen, S. E. / van Tonder, R. / Varner, G. S. / Varvell, K. E. / Vinokurova, A. / Vitale, L. / Vorobyev, V. / Vossen, A. / Wach, B. / Waheed, E. / Wakeling, H. M. / Wan, K. / Abdullah, W. Wan / Wang, B. / Wang, C. H. / Wang, M. -Z. / Wang, X. L. / Warburton, A. / Watanabe, M. / Watanuki, S. / Webb, J. / Wehle, S. / Welsch, M. / Wessel, C. / Wiechczynski, J. / Wieduwilt, P. / Windel, H. / Won, E. / Wu, L. J. / Xu, X. P. / Yabsley, B. D. / Yamada, S. / Yan, W. / Yang, S. B. / Ye, H. / Yelton, J. / Yeo, I. / Yin, J. H. / Yonenaga, M. / Yook, Y. M. / Yoshihara, K. / Yoshinobu, T. / Yuan, C. Z. / Yuan, G. / Yusa, Y. / Zani, L. / Zhang, J. Z. / Zhang, Y. / Zhang, Z. / Zhilich, V. / Zhou, J. / Zhou, Q. D. / Zhou, X. Y. / Zhukova, V. I. / Zhulanov, V. / Zupanc, A.

    2021  

    Abstract: We report on the first Belle II measurement of the branching fraction ($\mathcal{B}$) and longitudinal polarization fraction ($f_L$) of $B^+\to \rho^+\rho^0$ decays. We reconstruct $B^+\to \rho^+(\to \pi^+\pi^0(\to \gamma\gamma))\rho^0(\to \pi^+\pi^-)$ ... ...

    Abstract We report on the first Belle II measurement of the branching fraction ($\mathcal{B}$) and longitudinal polarization fraction ($f_L$) of $B^+\to \rho^+\rho^0$ decays. We reconstruct $B^+\to \rho^+(\to \pi^+\pi^0(\to \gamma\gamma))\rho^0(\to \pi^+\pi^-)$ decays in a sample of SuperKEKB electron-positron collisions collected by the Belle II experiment in 2019 and 2020 at the $\Upsilon$(4S) resonance and corresponding to $62.8$ fb$^{-1}$ of integrated luminosity. We fit the distributions of the difference between expected and observed $B$ candidate energy, continuum-suppression variable, dipion masses, and angular distributions of the resulting samples, to determine a signal yield of $104\pm16$ events. The signal yields are corrected for efficiencies determined from simulation and control data samples to obtain $\mathcal{B}(B^+ \to \rho^+\rho^0) = [20.6 \pm 3.2(\rm stat) \pm 4.0(\rm syst)]\times 10^{-6}$, and $f_L(B^+ \to \rho^+\rho^0) = 0.936 ^{+0.049}_{-0.041}(\rm stat)\pm 0.021(\rm syst)$. This first Belle II $B^+ \to \rho^+\rho^0$ angular analysis yields results compatible with previous determinations, and indicates Belle II performance superior to early Belle results.
    Keywords High Energy Physics - Experiment ; High Energy Physics - Phenomenology
    Subject code 571
    Publishing date 2021-09-23
    Publishing country us
    Document type Book ; Online
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  6. Book ; Online: Studies of the semileptonic $\bar B^0\to D^{*+}\ell^-\bar\nu_\ell$ and $B^-\to D^{0}\ell^-\bar\nu_\ell$ decay processes with 34.6 fb$^{-1}$ of Belle II data

    Belle II Collaboration / Abudinén, F. / Adachi, I. / Adak, R. / Adamczyk, K. / Ahlburg, P. / Ahn, J. K. / Aihara, H. / Akopov, N. / Aloisio, A. / Ameli, F. / Andricek, L. / Ky, N. Anh / Asner, D. M. / Atmacan, H. / Aulchenko, V. / Aushev, T. / Aushev, V. / Aziz, T. /
    Babu, V. / Bacher, S. / Baehr, S. / Bahinipati, S. / Bakich, A. M. / Bambade, P. / Banerjee, Sw. / Bansal, S. / Barrett, M. / Batignani, G. / Baudot, J. / Beaulieu, A. / Becker, J. / Behera, P. K. / Bender, M. / Bennett, J. V. / Bernieri, E. / Bernlochner, F. U. / Bertemes, M. / Bessner, M. / Bettarini, S. / Bhardwaj, V. / Bhuyan, B. / Bianchi, F. / Bilka, T. / Bilokin, S. / Biswas, D. / Bobrov, A. / Bondar, A. / Bonvicini, G. / Bozek, A. / Bračko, M. / Branchini, P. / Braun, N. / Briere, R. A. / Browder, T. E. / Brown, D. N. / Budano, A. / Burmistrov, L. / Bussino, S. / Calò, S. / Campajola, M. / Cao, L. / Caria, G. / Casarosa, G. / Cecchi, C. / Červenkov, D. / Chang, M. -C. / Chang, P. / Cheaib, R. / Chekelian, V. / Chen, C. / Chen, Y. Q. / Chen, Y. -T. / Cheon, B. G. / Chilikin, K. / Chirapatpimol, K. / Cho, H. -E. / Cho, K. / Cho, S. -J. / Choi, S. -K. / Choudhury, S. / Cinabro, D. / Corona, L. / Cremaldi, L. M. / Cuesta, D. / Cunliffe, S. / Czank, T. / Dash, N. / Dattola, F. / De La Cruz-Burelo, E. / De Nardo, G. / De Nuccio, M. / De Pietro, G. / de Sangro, R. / Deschamps, B. / Destefanis, M. / Dey, S. / De Yta-Hernandez, A. / Di Canto, A. / Di Capua, F. / Di Carlo, S. / Dingfelder, J. / Doležal, Z. / Jiménez, I. Domínguez / Dong, T. V. / Dort, K. / Dossett, D. / Dubey, S. / Duell, S. / Dujany, G. / Eidelman, S. / Eliachevitch, M. / Epifanov, D. / Fast, J. E. / Ferber, T. / Ferlewicz, D. / Finocchiaro, G. / Fiore, S. / Fischer, P. / Fodor, A. / Forti, F. / Frey, A. / Friedl, M. / Fulsom, B. G. / Gabriel, M. / Gabyshev, N. / Ganiev, E. / Garcia-Hernandez, M. / Garg, R. / Garmash, A. / Gaur, V. / Gaz, A. / Gebauer, U. / Gelb, M. / Gellrich, A. / Gemmler, J. / Geßler, T. / Getzkow, D. / Giordano, R. / Giri, A. / Glazov, A. / Gobbo, B. / Godang, R. / Goldenzweig, P. / Golob, B. / Gomis, P. / Grace, P. / Gradl, W. / Graziani, E. / Greenwald, D. / Guan, Y. / Hadjivasiliou, C. / Halder, S. / Hara, K. / Hara, T. / Hartbrich, O. / Hauth, T. / Hayasaka, K. / Hayashii, H. / Hearty, C. / Heck, M. / Hedges, M. T. / de la Cruz, I. Heredia / Villanueva, M. Hernández / Hershenhorn, A. / Higuchi, T. / Hill, E. C. / Hirata, H. / Hoek, M. / Hohmann, M. / Hollitt, S. / Hotta, T. / Hsu, C. -L. / Hu, Y. / Huang, K. / Iijima, T. / Inami, K. / Inguglia, G. / Jabbar, J. Irakkathil / Ishikawa, A. / Itoh, R. / Iwasaki, M. / Iwasaki, Y. / Iwata, S. / Jackson, P. / Jacobs, W. W. / Jaegle, I. / Jaffe, D. E. / Jang, E. -J. / Jeandron, M. / Jeon, H. B. / Jia, S. / Jin, Y. / Joo, C. / Joo, K. K. / Kadenko, I. / Kahn, J. / Kakuno, H. / Kaliyar, A. B. / Kandra, J. / Kang, K. H. / Kapusta, P. / Karl, R. / Karyan, G. / Kato, Y. / Kawai, H. / Kawasaki, T. / Keck, T. / Ketter, C. / Kichimi, H. / Kiesling, C. / Kim, B. H. / Kim, C. -H. / Kim, D. Y. / Kim, H. J. / Kim, J. B. / Kim, K. -H. / Kim, K. / Kim, S. -H. / Kim, Y. -K. / Kim, Y. / Kimmel, T. D. / Kindo, H. / Kinoshita, K. / Kirby, B. / Kleinwort, C. / Knysh, B. / Kodyš, P. / Koga, T. / Kohani, S. / Komarov, I. / Konno, T. / Korpar, S. / Kovalchuk, N. / Kraetzschmar, T. M. G. / Križan, P. / Kroeger, R. / Krohn, J. F. / Krokovny, P. / Krüger, H. / Kuehn, W. / Kuhr, T. / Kumar, J. / Kumar, M. / Kumar, R. / Kumara, K. / Kumita, T. / Kunigo, T. / Künzel, M. / Kurz, S. / Kuzmin, A. / Kvasnička, P. / Kwon, Y. -J. / Lacaprara, S. / Lai, Y. -T. / La Licata, C. / Lalwani, K. / Lanceri, L. / Lange, J. S. / Lautenbach, K. / Laycock, P. J. / Diberder, F. R. Le / Lee, I. -S. / Lee, S. C. / Leitl, P. / Levit, D. / Lewis, P. M. / Li, C. / Li, L. K. / Li, S. X. / Li, Y. M. / Li, Y. B. / Libby, J. / Lieret, K. / Gioi, L. Li / Lin, J. / Liptak, Z. / Liu, Q. Y. / Liu, Z. A. / Liventsev, D. / Longo, S. / Loos, A. / Lu, P. / Lubej, M. / Lueck, T. / Luetticke, F. / Luo, T. / Lyu, C. / MacQueen, C. / Maeda, Y. / Maggiora, M. / Maity, S. / Manfredi, R. / Manoni, E. / Marcello, S. / Marinas, C. / Martini, A. / Masuda, M. / Matsuda, T. / Matsuoka, K. / Matvienko, D. / McNeil, J. / Meggendorfer, F. / Mei, J. C. / Meier, F. / Merola, M. / Metzner, F. / Milesi, M. / Miller, C. / Miyabayashi, K. / Miyake, H. / Miyata, H. / Mizuk, R. / Azmi, K. / Mohanty, G. B. / Moon, H. / Moon, T. / Grimaldo, J. A. Mora / Morda, A. / Morii, T. / Moser, H. -G. / Mrvar, M. / Mueller, F. / Müller, F. J. / Muller, Th. / Muroyama, G. / Murphy, C. / Mussa, R. / Nakagiri, K. / Nakamura, I. / Nakamura, K. R. / Nakano, E. / Nakao, M. / Nakayama, H. / Nakazawa, H. / Nanut, T. / Natkaniec, Z. / Natochii, A. / Nayak, M. / Nazaryan, G. / Neverov, D. / Niebuhr, C. / Niiyama, M. / Ninkovic, J. / Nisar, N. K. / Nishida, S. / Nishimura, K. / Nishimura, M. / Nouxman, M. H. A. / Oberhof, B. / Ogawa, K. / Ogawa, S. / Olsen, S. L. / Onishchuk, Y. / Ono, H. / Onuki, Y. / Oskin, P. / Oxford, E. R. / Ozaki, H. / Pakhlov, P. / Pakhlova, G. / Paladino, A. / Pang, T. / Panta, A. / Paoloni, E. / Pardi, S. / Park, C. / Park, H. / Park, S. -H. / Paschen, B. / Passeri, A. / Pathak, A. / Patra, S. / Paul, S. / Pedlar, T. K. / Peruzzi, I. / Peschke, R. / Pestotnik, R. / Piccolo, M. / Piilonen, L. E. / Podesta-Lerma, P. L. M. / Polat, G. / Popov, V. / Praz, C. / Prencipe, E. / Prim, M. T. / Purohit, M. V. / Rad, N. / Rados, P. / Rasheed, R. / Reif, M. / Reiter, S. / Remnev, M. / Resmi, P. K. / Ripp-Baudot, I. / Ritter, M. / Ritzert, M. / Rizzo, G. / Rizzuto, L. B. / Robertson, S. H. / Pérez, D. Rodríguez / Roney, J. M. / Rosenfeld, C. / Rostomyan, A. / Rout, N. / Rozanska, M. / Russo, G. / Sahoo, D. / Sakai, Y. / Sanders, D. A. / Sandilya, S. / Sangal, A. / Santelj, L. / Sartori, P. / Sasaki, J. / Sato, Y. / Savinov, V. / Scavino, B. / Schram, M. / Schreeck, H. / Schueler, J. / Schwanda, C. / Schwartz, A. J. / Schwenker, B. / Seddon, R. M. / Seino, Y. / Selce, A. / Senyo, K. / Seong, I. S. / Serrano, J. / Sevior, M. E. / Sfienti, C. / Shebalin, V. / Shen, C. P. / Shibuya, H. / Shiu, J. -G. / Shwartz, B. / Sibidanov, A. / Simon, F. / Singh, J. B. / Skambraks, S. / Smith, K. / Sobie, R. J. / Soffer, A. / Sokolov, A. / Soloviev, Y. / Solovieva, E. / Spataro, S. / Spruck, B. / Starič, M. / Stefkova, S. / Stottler, Z. S. / Stroili, R. / Strube, J. / Stypula, J. / Sumihama, M. / Sumisawa, K. / Sumiyoshi, T. / Summers, D. J. / Sutcliffe, W. / Suzuki, K. / Suzuki, S. Y. / Svidras, H. / Tabata, M. / Takahashi, M. / Takizawa, M. / Tamponi, U. / Tanaka, S. / Tanida, K. / Tanigawa, H. / Taniguchi, N. / Tao, Y. / Taras, P. / Tenchini, F. / Tonelli, D. / Torassa, E. / Trabelsi, K. / Tsuboyama, T. / Tsuzuki, N. / Uchida, M. / Ueda, I. / Uehara, S. / Ueno, T. / Uglov, T. / Unger, K. / Unno, Y. / Uno, S. / Urquijo, P. / Ushiroda, Y. / Usov, Y. / Vahsen, S. E. / van Tonder, R. / Varner, G. S. / Varvell, K. E. / Vinokurova, A. / Vitale, L. / Vorobyev, V. / Vossen, A. / Waheed, E. / Wakeling, H. M. / Wan, K. / Abdullah, W. Wan / Wang, B. / Wang, C. H. / Wang, M. -Z. / Wang, X. L. / Warburton, A. / Watanabe, M. / Watanuki, S. / Watson, I. / Webb, J. / Wehle, S. / Welsch, M. / Wessel, C. / Wiechczynski, J. / Wieduwilt, P. / Windel, H. / Won, E. / Wu, L. J. / Xu, X. P. / Yabsley, B. / Yamada, S. / Yan, W. / Yang, S. B. / Ye, H. / Yelton, J. / Yeo, I. / Yin, J. H. / Yonenaga, M. / Yook, Y. M. / Yoshinobu, T. / Yuan, C. Z. / Yuan, G. / Yuan, W. / Yusa, Y. / Zani, L. / Zhang, J. Z. / Zhang, Y. / Zhang, Z. / Zhilich, V. / Zhou, Q. D. / Zhou, X. Y. / Zhukova, V. I. / Zhulanov, V. / Zupanc, A.

    2020  

    Abstract: We report measurements of the $\bar{B}^0 \to D^{*+} \ell^{-} \bar{\nu}_l$ and $B^- \to D^{0} \ell^{-} \bar{\nu}_l$ processes using 34.6 fb$^{-1}$ of collision events recorded by the Belle II experiment at the SuperKEKB asymmetric-energy $e^+ e^-$ ... ...

    Abstract We report measurements of the $\bar{B}^0 \to D^{*+} \ell^{-} \bar{\nu}_l$ and $B^- \to D^{0} \ell^{-} \bar{\nu}_l$ processes using 34.6 fb$^{-1}$ of collision events recorded by the Belle II experiment at the SuperKEKB asymmetric-energy $e^+ e^-$ collider. For the $B^-\to D^{0}\ell^-\bar\nu_\ell$ channel, we present first studies that isolate this decay from other semileptonic processes and backgrounds. We report a measurement of the $\bar{B}^0 \to D^{*+} \ell^{-} \bar{\nu}_l$ branching fraction and obtain ${\cal B}(\bar{B}^0 \to D^{*+} \ell^{-} \bar{\nu}_l) = \left(4.60 \pm 0.05_{\mathrm{stat}}\pm0.17_{\mathrm{syst}} \pm 0.45_{\pi_s}\right) \%$, in agreement with the world average. Here, the uncertainties are statistical, systematic, and related to slow pion reconstruction, respectively. The systematic uncertainties are limited by the statistics of auxiliary measurements and will improve in the future. We also report differential branching fractions in five bins of the hadronic recoil parameter $w$ for $\bar{B}^0 \to D^{*+} \ell^{-} \bar{\nu}_l$, unfolded to account for resolution and efficiency effects.

    Comment: 19 pages, 6 figures
    Keywords High Energy Physics - Experiment
    Subject code 660
    Publishing date 2020-08-17
    Publishing country us
    Document type Book ; Online
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  7. Book ; Online: Rediscovery of $B \to \phi K^{(*)}$ decays and measurement of the longitudinal polarization fraction $f_L$ in $B \to \phi K^{*}$ decays using the Summer 2020 Belle II dataset

    Abudinén, F. / Adachi, I. / Adak, R. / Adamczyk, K. / Ahlburg, P. / Ahn, J. K. / Aihara, H. / Akopov, N. / Aloisio, A. / Ameli, F. / Andricek, L. / Ky, N. Anh / Asner, D. M. / Atmacan, H. / Aulchenko, V. / Aushev, T. / Aushev, V. / Aziz, T. / Babu, V. /
    Bacher, S. / Baehr, S. / Bahinipati, S. / Bakich, A. M. / Bambade, P. / Banerjee, Sw. / Bansal, S. / Barrett, M. / Batignani, G. / Baudot, J. / Beaulieu, A. / Becker, J. / Behera, P. K. / Bender, M. / Bennett, J. V. / Bernieri, E. / Bernlochner, F. U. / Bertemes, M. / Bessner, M. / Bettarini, S. / Bhardwaj, V. / Bhuyan, B. / Bianchi, F. / Bilka, T. / Bilokin, S. / Biswas, D. / Bobrov, A. / Bondar, A. / Bonvicini, G. / Bozek, A. / Bračko, M. / Branchini, P. / Braun, N. / Briere, R. A. / Browder, T. E. / Brown, D. N. / Budano, A. / Burmistrov, L. / Bussino, S. / Campajola, M. / Cao, L. / Caria, G. / Casarosa, G. / Cecchi, C. / Červenkov, D. / Chang, M. -C. / Chang, P. / Cheaib, R. / Chekelian, V. / Chen, Y. Q. / Chen, Y. -T. / Cheon, B. G. / Chilikin, K. / Chirapatpimol, K. / Cho, H. -E. / Cho, K. / Cho, S. -J. / Choi, S. -K. / Choudhury, S. / Cinabro, D. / Corona, L. / Cremaldi, L. M. / Cuesta, D. / Cunliffe, S. / Czank, T. / Dash, N. / Dattola, F. / De La Cruz-Burelo, E. / De Nardo, G. / De Nuccio, M. / De Pietro, G. / de Sangro, R. / Deschamps, B. / Destefanis, M. / Dey, S. / De Yta-Hernandez, A. / Di Canto, A. / Di Capua, F. / Di Carlo, S. / Dingfelder, J. / Doležal, Z. / Jiménez, I. Domínguez / Dong, T. V. / Dort, K. / Dossett, D. / Dubey, S. / Duell, S. / Dujany, G. / Eidelman, S. / Eliachevitch, M. / Epifanov, D. / Fast, J. E. / Ferber, T. / Ferlewicz, D. / Finocchiaro, G. / Fiore, S. / Fischer, P. / Fodor, A. / Forti, F. / Frey, A. / Friedl, M. / Fulsom, B. G. / Gabriel, M. / Gabyshev, N. / Ganiev, E. / Garcia-Hernandez, M. / Garg, R. / Garmash, A. / Gaur, V. / Gaz, A. / Gebauer, U. / Gelb, M. / Gellrich, A. / Gemmler, J. / Geßler, T. / Getzkow, D. / Giordano, R. / Giri, A. / Glazov, A. / Gobbo, B. / Godang, R. / Goldenzweig, P. / Golob, B. / Gomis, P. / Grace, P. / Gradl, W. / Graziani, E. / Greenwald, D. / Guan, Y. / Hadjivasiliou, C. / Halder, S. / Hara, K. / Hara, T. / Hartbrich, O. / Hauth, T. / Hayasaka, K. / Hayashii, H. / Hearty, C. / Heck, M. / Hedges, M. T. / de la Cruz, I. Heredia / Villanueva, M. Hernández / Hershenhorn, A. / Higuchi, T. / Hill, E. C. / Hirata, H. / Hoek, M. / Hohmann, M. / Hollitt, S. / Hotta, T. / Hsu, C. -L. / Hu, Y. / Huang, K. / Iijima, T. / Inami, K. / Inguglia, G. / Jabbar, J. Irakkathil / Ishikawa, A. / Itoh, R. / Iwasaki, M. / Iwasaki, Y. / Iwata, S. / Jackson, P. / Jacobs, W. W. / Jaegle, I. / Jaffe, D. E. / Jang, E. -J. / Jeandron, M. / Jeon, H. B. / Jia, S. / Jin, Y. / Joo, C. / Joo, K. K. / Kadenko, I. / Kahn, J. / Kakuno, H. / Kaliyar, A. B. / Kandra, J. / Kang, K. H. / Kapusta, P. / Karl, R. / Karyan, G. / Kato, Y. / Kawai, H. / Kawasaki, T. / Keck, T. / Ketter, C. / Kichimi, H. / Kiesling, C. / Kim, B. H. / Kim, C. -H. / Kim, D. Y. / Kim, H. J. / Kim, J. B. / Kim, K. -H. / Kim, K. / Kim, S. -H. / Kim, Y. -K. / Kim, Y. / Kimmel, T. D. / Kindo, H. / Kinoshita, K. / Kirby, B. / Kleinwort, C. / Knysh, B. / Kodyš, P. / Koga, T. / Kohani, S. / Komarov, I. / Konno, T. / Korpar, S. / Kovalchuk, N. / Kraetzschmar, T. M. G. / Križan, P. / Kroeger, R. / Krohn, J. F. / Krokovny, P. / Krüger, H. / Kuehn, W. / Kuhr, T. / Kumar, J. / Kumar, M. / Kumar, R. / Kumara, K. / Kumita, T. / Kunigo, T. / Künzel, M. / Kurz, S. / Kuzmin, A. / Kvasnička, P. / Kwon, Y. -J. / Lacaprara, S. / Lai, Y. -T. / La Licata, C. / Lalwani, K. / Lanceri, L. / Lange, J. S. / Lautenbach, K. / Laycock, P. J. / Diberder, F. R. Le / Lee, I. -S. / Lee, S. C. / Leitl, P. / Levit, D. / Lewis, P. M. / Li, C. / Li, L. K. / Li, S. X. / Li, Y. M. / Li, Y. B. / Libby, J. / Lieret, K. / Gioi, L. Li / Lin, J. / Liptak, Z. / Liu, Q. Y. / Liu, Z. A. / Liventsev, D. / Longo, S. / Loos, A. / Lu, P. / Lubej, M. / Lueck, T. / Luetticke, F. / Luo, T. / MacQueen, C. / Maeda, Y. / Maggiora, M. / Maity, S. / Manfredi, R. / Manoni, E. / Marcello, S. / Marinas, C. / Martini, A. / Masuda, M. / Matsuda, T. / Matsuoka, K. / Matvienko, D. / McNeil, J. / Meggendorfer, F. / Mei, J. C. / Meier, F. / Merola, M. / Metzner, F. / Milesi, M. / Miller, C. / Miyabayashi, K. / Miyake, H. / Miyata, H. / Mizuk, R. / Azmi, K. / Mohanty, G. B. / Moon, H. / Moon, T. / Grimaldo, J. A. Mora / Morda, A. / Morii, T. / Moser, H. -G. / Mrvar, M. / Mueller, F. / Müller, F. J. / Muller, Th. / Muroyama, G. / Murphy, C. / Mussa, R. / Nakagiri, K. / Nakamura, I. / Nakamura, K. R. / Nakano, E. / Nakao, M. / Nakayama, H. / Nakazawa, H. / Nanut, T. / Natkaniec, Z. / Natochii, A. / Nayak, M. / Nazaryan, G. / Neverov, D. / Niebuhr, C. / Niiyama, M. / Ninkovic, J. / Nisar, N. K. / Nishida, S. / Nishimura, K. / Nishimura, M. / Nouxman, M. H. A. / Oberhof, B. / Ogawa, K. / Ogawa, S. / Olsen, S. L. / Onishchuk, Y. / Ono, H. / Onuki, Y. / Oskin, P. / Oxford, E. R. / Ozaki, H. / Pakhlov, P. / Pakhlova, G. / Paladino, A. / Pang, T. / Panta, A. / Paoloni, E. / Pardi, S. / Park, C. / Park, H. / Park, S. -H. / Paschen, B. / Passeri, A. / Pathak, A. / Patra, S. / Paul, S. / Pedlar, T. K. / Peruzzi, I. / Peschke, R. / Pestotnik, R. / Piccolo, M. / Piilonen, L. E. / Podesta-Lerma, P. L. M. / Polat, G. / Popov, V. / Praz, C. / Prencipe, E. / Prim, M. T. / Purohit, M. V. / Rad, N. / Rados, P. / Rasheed, R. / Reif, M. / Reiter, S. / Remnev, M. / Resmi, P. K. / Ripp-Baudot, I. / Ritter, M. / Ritzert, M. / Rizzo, G. / Rizzuto, L. B. / Robertson, S. H. / Pérez, D. Rodríguez / Roney, J. M. / Rosenfeld, C. / Rostomyan, A. / Rout, N. / Rozanska, M. / Russo, G. / Sahoo, D. / Sakai, Y. / Sanders, D. A. / Sandilya, S. / Sangal, A. / Santelj, L. / Sartori, P. / Sasaki, J. / Sato, Y. / Savinov, V. / Scavino, B. / Schram, M. / Schreeck, H. / Schueler, J. / Schwanda, C. / Schwartz, A. J. / Schwenker, B. / Seddon, R. M. / Seino, Y. / Selce, A. / Senyo, K. / Seong, I. S. / Serrano, J. / Sevior, M. E. / Sfienti, C. / Shebalin, V. / Shen, C. P. / Shibuya, H. / Shiu, J. -G. / Shwartz, B. / Sibidanov, A. / Simon, F. / Singh, J. B. / Skambraks, S. / Smith, K. / Sobie, R. J. / Soffer, A. / Sokolov, A. / Soloviev, Y. / Solovieva, E. / Spataro, S. / Spruck, B. / Starič, M. / Stefkova, S. / Stottler, Z. S. / Stroili, R. / Strube, J. / Stypula, J. / Sumihama, M. / Sumisawa, K. / Sumiyoshi, T. / Summers, D. J. / Sutcliffe, W. / Suzuki, K. / Suzuki, S. Y. / Svidras, H. / Tabata, M. / Takahashi, M. / Takizawa, M. / Tamponi, U. / Tanaka, S. / Tanida, K. / Tanigawa, H. / Taniguchi, N. / Tao, Y. / Taras, P. / Tenchini, F. / Tonelli, D. / Torassa, E. / Trabelsi, K. / Tsuboyama, T. / Tsuzuki, N. / Uchida, M. / Ueda, I. / Uehara, S. / Ueno, T. / Uglov, T. / Unger, K. / Unno, Y. / Uno, S. / Urquijo, P. / Ushiroda, Y. / Usov, Y. / Vahsen, S. E. / van Tonder, R. / Varner, G. S. / Varvell, K. E. / Vinokurova, A. / Vitale, L. / Vorobyev, V. / Vossen, A. / Waheed, E. / Wakeling, H. M. / Wan, K. / Abdullah, W. Wan / Wang, B. / Wang, C. H. / Wang, M. -Z. / Wang, X. L. / Warburton, A. / Watanabe, M. / Watanuki, S. / Watson, I. / Webb, J. / Wehle, S. / Welsch, M. / Wessel, C. / Wiechczynski, J. / Wieduwilt, P. / Windel, H. / Won, E. / Wu, L. J. / Xu, X. P. / Yabsley, B. / Yamada, S. / Yan, W. / Yang, S. B. / Ye, H. / Yelton, J. / Yeo, I. / Yin, J. H. / Yonenaga, M. / Yook, Y. M. / Yoshinobu, T. / Yuan, C. Z. / Yuan, G. / Yuan, W. / Yusa, Y. / Zani, L. / Zhang, J. Z. / Zhang, Y. / Zhang, Z. / Zhilich, V. / Zhou, Q. D. / Zhou, X. Y. / Zhukova, V. I. / Zhulanov, V. / Zupanc, A.

    2020  

    Abstract: We utilize a sample of 34.6 fb$^{-1}$, collected by the Belle II experiment at the SuperKEKB asymmetric energy $e^+e^-$ collider, to search for the $B^+ \to \phi K^+$, $B^+ \to \phi K^{*+}$, $B^0 \to \phi K^0_S$, and $B^0 \to \phi K^{*0}$ decays. ... ...

    Abstract We utilize a sample of 34.6 fb$^{-1}$, collected by the Belle II experiment at the SuperKEKB asymmetric energy $e^+e^-$ collider, to search for the $B^+ \to \phi K^+$, $B^+ \to \phi K^{*+}$, $B^0 \to \phi K^0_S$, and $B^0 \to \phi K^{*0}$ decays. Charmless hadronic $B$ decays represent an important part of the Belle II physics program, and are an ideal benchmark to test the detector capabilities in terms of tracking efficiency, charged particle identification, vertexing, and advanced analysis techniques. Each channel is observed with a significance that exceeds 5 standard deviations, and we obtain measurements of their branching ratios that are in good agreement with the world averages. For the $B \to \phi K^*$ modes, we also perform a measurement of the longitudinal polarization fraction $f_L$.

    Comment: 19 pages, 6 figures
    Keywords High Energy Physics - Experiment
    Subject code 612
    Publishing date 2020-08-09
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Book ; Online: Measurement of the branching fraction ${\cal B}(\bar B^0\to D^{*+}\ell^-\bar\nu_\ell)$ with early Belle II data

    Belle II Collaboration / Abudinén, F. / Adachi, I. / Adak, R. / Adamczyk, K. / Ahlburg, P. / Ahn, J. K. / Aihara, H. / Akopov, N. / Aloisio, A. / Ameli, F. / Andricek, L. / Ky, N. Anh / Asner, D. M. / Atmacan, H. / Aulchenko, V. / Aushev, T. / Aushev, V. / Aziz, T. /
    Babu, V. / Bacher, S. / Baehr, S. / Bahinipati, S. / Bakich, A. M. / Bambade, P. / Banerjee, Sw. / Bansal, S. / Barrett, M. / Bartel, W. / Batignani, G. / Baudot, J. / Beaulieu, A. / Becker, J. / Behera, P. K. / Bender, M. / Bennett, J. V. / Bernieri, E. / Bernlochner, F. U. / Bertemes, M. / Bessner, M. / Bettarini, S. / Bhardwaj, V. / Bhuyan, B. / Bianchi, F. / Bilka, T. / Bilokin, S. / Biswas, D. / Bobrov, A. / Bondar, A. / Bonvicini, G. / Bozek, A. / Bračko, M. / Branchini, P. / Braun, N. / Briere, R. A. / Browder, T. E. / Brown, D. N. / Budano, A. / Burmistrov, L. / Bussino, S. / Campajola, M. / Cao, L. / Caria, G. / Casarosa, G. / Cecchi, C. / Červenkov, D. / Chang, M. -C. / Chang, P. / Cheaib, R. / Chekelian, V. / Chen, Y. Q. / Chen, Y. -T. / Cheon, B. G. / Chilikin, K. / Cho, H. -E. / Cho, K. / Cho, S. -J. / Choi, S. -K. / Choudhury, S. / Cinabro, D. / Corona, L. / Cremaldi, L. M. / Cuesta, D. / Cunliffe, S. / Czank, T. / Dash, N. / Dattola, F. / De La Cruz-Burelo, E. / De Nardo, G. / De Nuccio, M. / De Pietro, G. / de Sangro, R. / Deschamps, B. / Destefanis, M. / Dey, S. / De Yta-Hernandez, A. / Di Capua, F. / Di Carlo, S. / Dingfelder, J. / Doležal, Z. / Jiménez, I. Domínguez / Dong, T. V. / Dort, K. / Dossett, D. / Dubey, S. / Duell, S. / Dujany, G. / Eidelman, S. / Eliachevitch, M. / Epifanov, D. / Fast, J. E. / Ferber, T. / Ferlewicz, D. / Finocchiaro, G. / Fiore, S. / Fischer, P. / Fodor, A. / Forti, F. / Frey, A. / Friedl, M. / Fulsom, B. G. / Gabriel, M. / Gabyshev, N. / Ganiev, E. / Garcia-Hernandez, M. / Garg, R. / Garmash, A. / Gaur, V. / Gaz, A. / Gebauer, U. / Gelb, M. / Gellrich, A. / Gemmler, J. / Geßler, T. / Getzkow, D. / Giordano, R. / Giri, A. / Glazov, A. / Gobbo, B. / Godang, R. / Goldenzweig, P. / Golob, B. / Gomis, P. / Grace, P. / Gradl, W. / Graziani, E. / Greenwald, D. / Guan, Y. / Hadjivasiliou, C. / Halder, S. / Hara, K. / Hara, T. / Hartbrich, O. / Hauth, T. / Hayasaka, K. / Hayashii, H. / Hearty, C. / Heck, M. / Hedges, M. T. / de la Cruz, I. Heredia / Villanueva, M. Hernández / Hershenhorn, A. / Higuchi, T. / Hill, E. C. / Hirata, H. / Hirose, S. / Hoek, M. / Hohmann, M. / Hollitt, S. / Hotta, T. / Hsu, C. -L. / Hu, Y. / Huang, K. / Iijima, T. / Inami, K. / Inguglia, G. / Jabbar, J. Irakkathil / Ishikawa, A. / Itoh, R. / Iwasaki, M. / Iwasaki, Y. / Iwata, S. / Jackson, P. / Jacobs, W. W. / Jaegle, I. / Jaffe, D. E. / Jang, E. -J. / Jeandron, M. / Jeon, H. B. / Jia, S. / Jin, Y. / Joo, C. / Joo, K. K. / Kadenko, I. / Kahn, J. / Kakuno, H. / Kaliyar, A. B. / Kandra, J. / Kang, K. H. / Kapusta, P. / Karyan, G. / Kato, Y. / Kawai, H. / Kawasaki, T. / Keck, T. / Ketter, C. / Kichimi, H. / Kiesling, C. / Kim, B. H. / Kim, C. -H. / Kim, D. Y. / Kim, H. J. / Kim, J. B. / Kim, K. -H. / Kim, K. / Kim, S. -H. / Kim, Y. -K. / Kim, Y. / Kimmel, T. D. / Kindo, H. / Kinoshita, K. / Kirby, B. / Kleinwort, C. / Knysh, B. / Kodyš, P. / Koga, T. / Kohani, S. / Koirala, S. / Komarov, I. / Konno, T. / Korpar, S. / Kovalchuk, N. / Kraetzschmar, T. M. G. / Križan, P. / Kroeger, R. / Krohn, J. F. / Krokovny, P. / Krüger, H. / Kuehn, W. / Kuhr, T. / Kumar, J. / Kumar, M. / Kumar, R. / Kumara, K. / Kumita, T. / Kunigo, T. / Künzel, M. / Kurz, S. / Kuzmin, A. / Kvasnička, P. / Kwon, Y. -J. / Lacaprara, S. / Lai, Y. -T. / La Licata, C. / Lalwani, K. / Lanceri, L. / Lange, J. S. / Lautenbach, K. / Laycock, P. J. / Diberder, F. R. Le / Lee, I. -S. / Lee, S. C. / Leitl, P. / Levit, D. / Lewis, P. M. / Li, C. / Li, L. K. / Li, S. X. / Li, Y. M. / Li, Y. B. / Libby, J. / Lieret, K. / Gioi, L. Li / Lin, J. / Liptak, Z. / Liu, Q. Y. / Liu, Z. A. / Liventsev, D. / Longo, S. / Loos, A. / Lu, P. / Lubej, M. / Lueck, T. / Luetticke, F. / Luo, T. / MacQueen, C. / Maeda, Y. / Maggiora, M. / Maity, S. / Manfredi, R. / Manoni, E. / Marcello, S. / Marinas, C. / Martini, A. / Masuda, M. / Matsuda, T. / Matsuoka, K. / Matvienko, D. / McNeil, J. / Meggendorfer, F. / Mei, J. C. / Meier, F. / Merola, M. / Metzner, F. / Milesi, M. / Miller, C. / Miyabayashi, K. / Miyake, H. / Miyata, H. / Mizuk, R. / Azmi, K. / Mohanty, G. B. / Moon, H. / Moon, T. / Grimaldo, J. A. Mora / Morda, A. / Morii, T. / Moser, H. -G. / Mrvar, M. / Mueller, F. / Müller, F. J. / Muller, Th. / Muroyama, G. / Mussa, R. / Nakagiri, K. / Nakamura, I. / Nakamura, K. R. / Nakano, E. / Nakao, M. / Nakayama, H. / Nakazawa, H. / Nanut, T. / Natkaniec, Z. / Nayak, M. / Nazaryan, G. / Neverov, D. / Niebuhr, C. / Niiyama, M. / Ninkovic, J. / Nisar, N. K. / Nishida, S. / Nishimura, K. / Nishimura, M. / Nouxman, M. H. A. / Oberhof, B. / Ogawa, K. / Ogawa, S. / Olsen, S. L. / Onishchuk, Y. / Ono, H. / Onuki, Y. / Oskin, P. / Oxford, E. R. / Ozaki, H. / Pakhlov, P. / Pakhlova, G. / Paladino, A. / Pang, T. / Panta, A. / Paoloni, E. / Park, C. / Park, H. / Park, S. -H. / Paschen, B. / Passeri, A. / Pathak, A. / Patra, S. / Paul, S. / Pedlar, T. K. / Peruzzi, I. / Peschke, R. / Pestotnik, R. / Piccolo, M. / Piilonen, L. E. / Podesta-Lerma, P. L. M. / Popov, V. / Praz, C. / Prencipe, E. / Prim, M. T. / Purohit, M. V. / Rados, P. / Rasheed, R. / Reif, M. / Reiter, S. / Remnev, M. / Resmi, P. K. / Ripp-Baudot, I. / Ritter, M. / Ritzert, M. / Rizzo, G. / Rizzuto, L. B. / Robertson, S. H. / Pérez, D. Rodríguez / Roney, J. M. / Rosenfeld, C. / Rostomyan, A. / Rout, N. / Rozanska, M. / Rummel, S. / Russo, G. / Sahoo, D. / Sakai, Y. / Sanders, D. A. / Sandilya, S. / Sangal, A. / Santelj, L. / Sartori, P. / Sasaki, J. / Sato, Y. / Savinov, V. / Scavino, B. / Schram, M. / Schreeck, H. / Schueler, J. / Schwanda, C. / Schwartz, A. J. / Schwenker, B. / Seddon, R. M. / Seino, Y. / Selce, A. / Senyo, K. / Seong, I. S. / Sevior, M. E. / Sfienti, C. / Shebalin, V. / Shen, C. P. / Shibuya, H. / Shiu, J. -G. / Shwartz, B. / Sibidanov, A. / Simon, F. / Singh, J. B. / Skambraks, S. / Smith, K. / Sobie, R. J. / Soffer, A. / Sokolov, A. / Soloviev, Y. / Solovieva, E. / Spataro, S. / Spruck, B. / Starič, M. / Stefkova, S. / Stottler, Z. S. / Stroili, R. / Strube, J. / Stypula, J. / Sumihama, M. / Sumisawa, K. / Sumiyoshi, T. / Summers, D. J. / Sutcliffe, W. / Suzuki, K. / Suzuki, S. Y. / Tabata, M. / Takahashi, M. / Takizawa, M. / Tamponi, U. / Tanaka, S. / Tanida, K. / Tanigawa, H. / Taniguchi, N. / Tao, Y. / Taras, P. / Tenchini, F. / Tonelli, D. / Torassa, E. / Trabelsi, K. / Tsuboyama, T. / Tsuzuki, N. / Uchida, M. / Ueda, I. / Uehara, S. / Ueno, T. / Uglov, T. / Unger, K. / Unno, Y. / Uno, S. / Urquijo, P. / Ushiroda, Y. / Usov, Y. / Vahsen, S. E. / van Tonder, R. / Varner, G. S. / Varvell, K. E. / Vinokurova, A. / Vitale, L. / Vorobyev, V. / Vossen, A. / Waheed, E. / Wakeling, H. M. / Wan, K. / Abdullah, W. Wan / Wang, B. / Wang, C. H. / Wang, M. -Z. / Wang, X. L. / Warburton, A. / Watanabe, M. / Watanuki, S. / Watson, I. / Webb, J. / Wehle, S. / Welsch, M. / Wessel, C. / Wiechczynski, J. / Wieduwilt, P. / Windel, H. / Won, E. / Wu, L. J. / Xu, X. P. / Yabsley, B. / Yamada, S. / Yan, W. / Yang, S. B. / Ye, H. / Yelton, J. / Yeo, I. / Yin, J. H. / Yonenaga, M. / Yook, Y. M. / Yoshinobu, T. / Yuan, C. Z. / Yuan, G. / Yuan, W. / Yusa, Y. / Zani, L. / Zhang, J. Z. / Zhang, Y. / Zhang, Z. / Zhilich, V. / Zhou, Q. D. / Zhou, X. Y. / Zhukova, V. I. / Zhulanov, V. / Zupanc, A.

    2020  

    Abstract: We measure the branching fractions for the decays $\bar{B}^0 \to D^{*+} e^{-} \bar{\nu}_e$ and $\bar{B}^0 \to D^{*+} \mu^{-} \bar{\nu}_\mu$ using $8.70 \pm 0.09~{\rm fb}^{-1}$ of data collected by the Belle II experiment at the SuperKEKB asymmetric- ... ...

    Abstract We measure the branching fractions for the decays $\bar{B}^0 \to D^{*+} e^{-} \bar{\nu}_e$ and $\bar{B}^0 \to D^{*+} \mu^{-} \bar{\nu}_\mu$ using $8.70 \pm 0.09~{\rm fb}^{-1}$ of data collected by the Belle II experiment at the SuperKEKB asymmetric-energy $e^+ e^-$ collider. Candidate signal decays are reconstructed with the subsequent decays $D^{*+}\to D^0 \pi^+$ and $D^0\to K^-\pi^+$. We obtain the results ${\cal B}(\bar{B}^0 \to D^{*+} e^{-} \bar{\nu}_e)$ = $(4.55\pm0.14(\mathrm{stat})\pm0.35 (\mathrm{syst})) \%$ and ${\cal B}(\bar{B}^0 \to D^{*+} \mu^{-} \bar{\nu}_\mu)$ = $(4.84\pm 0.13(\mathrm{stat})\pm0.37(\mathrm{syst})) \%$, in agreement with the world averages. The measurements serve to validate the full chain of detector operation and calibration, data collection and processing, and production of physics results in the case of semileptonic $B$-meson decays.

    Comment: 17 pages, 2 figures, minor correction added
    Keywords High Energy Physics - Experiment
    Subject code 660
    Publishing date 2020-04-20
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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    Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

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