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Book ; Online ; Thesis: Study of B0->rho rho decays with the belle experiment

Vanhoefer, Pit / Kiesling, Christian

2015

Author's details	Pit Vanhoefer. Betreuer: Christian Kiesling
Language	English
Size	Online-Ressource
Publisher	Universitätsbibliothek der Ludwig-Maximilians-Universität
Publishing place	München
Document type	Book ; Online ; Thesis
Thesis / German Habilitation thesis	München, Ludwig-Maximilians-Universität, Diss., 2015
Database	Library catalogue of the German National Library of Science and Technology (TIB), Hannover

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Book ; Online ; Thesis: Study of B0->rho rho decays with the belle experiment

Vanhoefer, Pit / Kiesling, Christian

2015

Author's details	Pit Vanhoefer. Betreuer: Christian Kiesling
Language	English
Size	Online-Ressource
Publisher	Universitätsbibliothek der Ludwig-Maximilians-Universität
Publishing place	München
Document type	Book ; Online ; Thesis
Thesis / German Habilitation thesis	München, Ludwig-Maximilians-Universität, Diss., 2015
Database	Former special subject collection: coastal and deep sea fishing

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Article ; Online: Search for the dark photon and the dark Higgs boson at belle.

Jaegle, I / Adachi, I / Aihara, H / Al Said, S / Asner, D M / Aushev, T / Ayad, R / Bakich, A M / Bansal, V / Barrett, M / Bhuyan, B / Bozek, A / Bračko, M / Browder, T E / Červenkov, D / Chang, M-C / Cheon, B G / Chilikin, K / Cho, K /

Chobanova, V / Choi, S-K / Choi, Y / Cinabro, D / Dalseno, J / Doležal, Z / Drásal, Z / Drutskoy, A / Dutta, D / Eidelman, S / Epifanov, D / Farhat, H / Fast, J E / Ferber, T / Frost, O / Gaur, V / Gabyshev, N / Ganguly, S / Garmash, A / Getzkow, D / Gillard, R / Goh, Y M / Golob, B / Grzymkowska, O / Hayasaka, K / Hayashii, H / He, X H / Hedges, M / Hou, W-S / Iijima, T / Inami, K / Ishikawa, A / Iwasaki, Y / Julius, T / Kang, K H / Kato, E / Kawasaki, T / Kim, D Y / Kim, J B / Kim, J H / Kim, S H / Kinoshita, K / Ko, B R / Kodyš, P / Korpar, S / Križan, P / Krokovny, P / Kuzmin, A / Kwon, Y-J / Lange, J S / Lee, I S / Lewis, P / Li Gioi, L / Libby, J / Liventsev, D / Matvienko, D / Miyata, H / Mizuk, R / Mohanty, G B / Moll, A / Mussa, R / Nakano, E / Nakao, M / Nisar, N K / Nishida, S / Ogawa, S / Pakhlov, P / Pakhlova, G / Park, H / Pedlar, T K / Pesántez, L / Petrič, M / Piilonen, L E / Ritter, M / Rostomyan, A / Sakai, Y / Sandilya, S / Santelj, L / Sanuki, T / Sato, Y / Savinov, V / Schneider, O / Schnell, G / Schwanda, C / Semmler, D / Senyo, K / Seon, O / Seong, I / Sevior, M E / Shebalin, V / Shibata, T-A / Shiu, J-G / Shwartz, B / Simon, F / Sinha, R / Sohn, Y-S / Starič, M / Sumihama, M / Sumisawa, K / Tamponi, U / Tatishvili, G / Teramoto, Y / Thorne, F / Uchida, M / Uehara, S / Unno, Y / Uno, S / Vahsen, S E / Van Hulse, C / Vanhoefer, P / Varner, G / Vinokurova, A / Wagner, M N / Wang, C H / Wang, M-Z / Wang, P / Wang, X L / Watanabe, M / Watanabe, Y / Williams, K M / Won, E / Yamaoka, J / Yashchenko, S / Yook, Y / Yusa, Y / Zhilich, V / Zhulanov, V / Zupanc, A

Physical review letters

2015 Volume 114, Issue 21, Page(s) 211801

Abstract: The dark photon A^{'} and the dark Higgs boson h^{'} are hypothetical constituents featured in a number of recently proposed dark sector models. Assuming prompt decays of both dark particles, we search for their production in the so-called Higgstrahlung ... ...

Abstract	The dark photon A^{'} and the dark Higgs boson h^{'} are hypothetical constituents featured in a number of recently proposed dark sector models. Assuming prompt decays of both dark particles, we search for their production in the so-called Higgstrahlung channel e^{+}e^{-}→A^{'}h^{'}, with h^{'}→A^{'}A^{'}. We investigate ten exclusive final states with A^{'}→e^{+}e^{-}, μ^{+}μ^{-}, or π^{+}π^{-} in the mass ranges 0.1 GeV/c^{2} <m_{A^{'}}<3.5 GeV/c^{2} and 0.2 GeV/c^{2} <m_{h^{'}}<10.5 GeV/c^{2}. We also investigate three inclusive final states 2(e^{+}e^{-})X, 2(μ^{+}μ^{-})X, and (e^{+}e^{-})(μ^{+}μ^{-})X, where X denotes a dark photon candidate detected via missing mass, in the mass ranges 1.1 GeV/c^{2} <m_{A^{'}}<3.5 GeV/c^{2} and 2.2 GeV/c^{2} <m_{h^{'}}<10.5 GeV/c^{2}. Using the entire 977 fb^{-1} data set collected by Belle, we observe no significant signal. We obtain individual and combined 90% credibility level upper limits on the branching fraction times the Born cross section, B×σ_{Born}, on the Born cross section σ_{Born}, and on the dark photon coupling to the dark Higgs boson times the kinetic mixing between the standard model photon and the dark photon, α_{D}×ε^{2}. These limits improve upon and cover wider mass ranges than previous experiments. The limits from the final states 3(π^{+}π^{-}) and 2(e^{+}e^{-})X are the first placed by any experiment. For α_{D} equal to 1/137, m_{h^{'}}< 8 GeV/c^{2}, and m_{A^{'}}<1 GeV/c^{2}, we exclude values of the mixing parameter ε above ∼8×10^{-4}.<br />
Language	English
Publishing date	2015-05-29
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.114.211801
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Observation of the Decay B_{s}^{0}→K^{0}K[over ¯]^{0}.

Pal, B / Schwartz, A J / Abdesselam, A / Adachi, I / Aihara, H / Asner, D M / Aushev, T / Ayad, R / Aziz, T / Babu, V / Badhrees, I / Bahinipati, S / Bakich, A M / Barberio, E / Behera, P / Bhardwaj, V / Bhuyan, B / Biswal, J / Bobrov, A /

Bozek, A / Bračko, M / Browder, T E / Červenkov, D / Chekelian, V / Chen, A / Cheon, B G / Chistov, R / Cho, K / Chobanova, V / Choi, Y / Cinabro, D / Dalseno, J / Dash, N / Doležal, Z / Drásal, Z / Drutskoy, A / Dutta, D / Eidelman, S / Farhat, H / Fast, J E / Fulsom, B G / Gaur, V / Garmash, A / Gillard, R / Goh, Y M / Goldenzweig, P / Greenwald, D / Grzymkowska, O / Haba, J / Hara, T / Hayasaka, K / Hayashii, H / He, X H / Hou, W-S / Inami, K / Ishikawa, A / Iwasaki, Y / Jacobs, W W / Jaegle, I / Jeon, H B / Joffe, D / Joo, K K / Julius, T / Kang, K H / Kato, E / Kawasaki, T / Kiesling, C / Kim, D Y / Kim, H J / Kim, K T / Kim, M J / Kim, S H / Kinoshita, K / Kodyš, P / Korpar, S / Križan, P / Krokovny, P / Kuhr, T / Kumar, R / Kumita, T / Kuzmin, A / Kwon, Y-J / Lee, I S / Li, C H / Li, H / Li, L / Li Gioi, L / Libby, J / Liventsev, D / Lukin, P / Luo, T / Masuda, M / Matvienko, D / Miyabayashi, K / Miyata, H / Mizuk, R / Mohanty, G B / Mohanty, S / Moll, A / Moon, H K / Mori, T / Mussa, R / Nakano, E / Nakao, M / Nanut, T / Natkaniec, Z / Nayak, M / Nisar, N K / Nishida, S / Ogawa, S / Okuno, S / Pakhlov, P / Pakhlova, G / Park, C W / Park, H / Paul, S / Pedlar, T K / Pesántez, L / Pestotnik, R / Petrič, M / Piilonen, L E / Pulvermacher, C / Rauch, J / Ribežl, E / Ritter, M / Rostomyan, A / Ryu, S / Sahoo, H / Sakai, Y / Sandilya, S / Sanuki, T / Sato, Y / Savinov, V / Schlüter, T / Schneider, O / Schnell, G / Schwanda, C / Seino, Y / Senyo, K / Seon, O / Seong, I S / Shebalin, V / Shibata, T-A / Shiu, J-G / Shwartz, B / Simon, F / Sohn, Y-S / Sokolov, A / Solovieva, E / Stanič, S / Starič, M / Stypula, J / Sumihama, M / Sumiyoshi, T / Tamponi, U / Teramoto, Y / Trabelsi, K / Uchida, M / Uehara, S / Uglov, T / Uno, S / Urquijo, P / Usov, Y / Van Hulse, C / Vanhoefer, P / Varner, G / Vinokurova, A / Vossen, A / Wagner, M N / Wang, C H / Wang, M-Z / Wang, X L / Watanabe, M / Watanabe, Y / Williams, K M / Won, E / Yamaoka, J / Yelton, J / Yuan, C Z / Yusa, Y / Zhang, Z P / Zhilich, V / Zhulanov, V / Zupanc, A

Physical review letters

2016 Volume 116, Issue 16, Page(s) 161801

Abstract: We measure the decay B_{s}^{0}→K^{0}K[over ¯]^{0} using data collected at the ϒ(5S) resonance with the Belle detector at the KEKB e^{+}e^{-} collider. The data sample used corresponds to an integrated luminosity of 121.4 fb^{-1}. We measure a branching ... ...

Abstract	We measure the decay B_{s}^{0}→K^{0}K[over ¯]^{0} using data collected at the ϒ(5S) resonance with the Belle detector at the KEKB e^{+}e^{-} collider. The data sample used corresponds to an integrated luminosity of 121.4 fb^{-1}. We measure a branching fraction B(B_{s}^{0}→K^{0}K[over ¯]^{0})=[19.6_{-5.1}^{+5.8}(stat)±1.0(syst)±2.0(N_{B_{s}^{0}B[over ¯]_{s}^{0}})]×10^{-6} with a significance of 5.1 standard deviations. This measurement constitutes the first observation of this decay.
Language	English
Publishing date	2016-04-22
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.116.161801
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: First Observation of the Doubly Cabibbo-Suppressed Decay of a Charmed Baryon: Λ_{c}^{+}→pK^{+}π^{-}.

Yang, S B / Tanida, K / Kim, B H / Adachi, I / Aihara, H / Asner, D M / Aulchenko, V / Aushev, T / Babu, V / Badhrees, I / Bakich, A M / Barberio, E / Bhardwaj, V / Bhuyan, B / Biswal, J / Bonvicini, G / Bozek, A / Bračko, M / Browder, T E /

Červenkov, D / Chekelian, V / Chen, A / Cheon, B G / Chilikin, K / Chistov, R / Cho, K / Chobanova, V / Choi, Y / Cinabro, D / Dalseno, J / Danilov, M / Dash, N / Doležal, Z / Drásal, Z / Dutta, D / Eidelman, S / Farhat, H / Fast, J E / Ferber, T / Fulsom, B G / Gabyshev, N / Garmash, A / Gaur, V / Gillard, R / Goh, Y M / Goldenzweig, P / Greenwald, D / Grygier, J / Haba, J / Hamer, P / Hara, T / Hayasaka, K / Hayashii, H / Hou, W-S / Iijima, T / Inami, K / Inguglia, G / Ishikawa, A / Itoh, R / Iwasaki, Y / Jacobs, W W / Jaegle, I / Jeon, H B / Joo, K K / Julius, T / Kang, K H / Kato, E / Katrenko, P / Kiesling, C / Kim, D Y / Kim, H J / Kim, J B / Kim, K T / Kim, M J / Kim, S H / Kim, S K / Kim, Y J / Kinoshita, K / Kobayashi, N / Kodyš, P / Korpar, S / Križan, P / Krokovny, P / Kuhr, T / Kuzmin, A / Kwon, Y-J / Lange, J S / Lee, I S / Li, C H / Li, H / Li, L / Li, Y / Li Gioi, L / Libby, J / Liventsev, D / Lubej, M / Masuda, M / Matvienko, D / Miyabayashi, K / Miyata, H / Mizuk, R / Mohanty, G B / Moll, A / Moon, H K / Mussa, R / Nakano, E / Nakao, M / Nanut, T / Nath, K J / Nayak, M / Negishi, K / Niiyama, M / Nisar, N K / Nishida, S / Ogawa, S / Okuno, S / Olsen, S L / Pakhlova, G / Pal, B / Park, C W / Park, H / Pedlar, T K / Pestotnik, R / Petrič, M / Piilonen, L E / Pulvermacher, C / Rauch, J / Ritter, M / Rostomyan, A / Ryu, S / Sahoo, H / Sakai, Y / Sandilya, S / Santelj, L / Sanuki, T / Sato, Y / Savinov, V / Schlüter, T / Schneider, O / Schnell, G / Schwanda, C / Schwartz, A J / Seino, Y / Senyo, K / Seon, O / Seong, I S / Sevior, M E / Shebalin, V / Shibata, T-A / Shiu, J-G / Shwartz, B / Simon, F / Sohn, Y-S / Sokolov, A / Stanič, S / Starič, M / Stypula, J / Sumihama, M / Sumiyoshi, T / Takizawa, M / Tamponi, U / Teramoto, Y / Trabelsi, K / Trusov, V / Uchida, M / Uglov, T / Unno, Y / Uno, S / Urquijo, P / Usov, Y / Vanhoefer, P / Varner, G / Varvell, K E / Vinokurova, A / Vossen, A / Wagner, M N / Wang, C H / Wang, M-Z / Wang, P / Wang, X L / Watanabe, Y / Williams, K M / Won, E / Yamaoka, J / Yashchenko, S / Ye, H / Yelton, J / Yuan, C Z / Yusa, Y / Zhang, Z P / Zhilich, V / Zhulanov, V / Zupanc, A

Physical review letters

2016 Volume 117, Issue 1, Page(s) 11801

Abstract: We report the first observation of the decay Λ_{c}^{+}→pK^{+}π^{-} using a 980 fb^{-1} data sample collected by the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. This is the first observation of a doubly Cabibbo-suppressed decay of a ...

Abstract	We report the first observation of the decay Λ_{c}^{+}→pK^{+}π^{-} using a 980 fb^{-1} data sample collected by the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. This is the first observation of a doubly Cabibbo-suppressed decay of a charmed baryon. We measure the branching ratio of this decay with respect to its Cabibbo-favored counterpart to be B(Λ_{c}^{+}→pK^{+}π^{-})/B(Λ_{c}^{+}→pK^{-}π^{+})=(2.35±0.27±0.21)×10^{-3}, where the uncertainties are statistical and systematic, respectively.
Language	English
Publishing date	2016-07-01
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.117.011801
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Observation of Z_{b}(10610) and Z_{b}(10650) Decaying to B Mesons.

Garmash, A / Abdesselam, A / Adachi, I / Aihara, H / Asner, D M / Aushev, T / Ayad, R / Aziz, T / Babu, V / Badhrees, I / Bakich, A M / Behera, P / Bhardwaj, V / Bhuyan, B / Bobrov, A / Bondar, A / Bonvicini, G / Bozek, A / Bračko, M /

Browder, T E / Červenkov, D / Chekelian, V / Chen, A / Cheon, B G / Chilikin, K / Cho, K / Chobanova, V / Choi, Y / Cinabro, D / Dalseno, J / Danilov, M / Dash, N / Doležal, Z / Drutskoy, A / Dutta, D / Eidelman, S / Epifanov, D / Farhat, H / Fast, J E / Ferber, T / Fulsom, B G / Gaur, V / Gabyshev, N / Gillard, R / Goh, Y M / Goldenzweig, P / Golob, B / Hara, T / Hayasaka, K / Hayashii, H / Iijima, T / Ishikawa, A / Itoh, R / Iwasaki, Y / Jaegle, I / Joffe, D / Joo, K K / Julius, T / Kang, K H / Kato, E / Kawasaki, T / Kim, D Y / Kim, J B / Kim, K T / Kim, M J / Kim, S H / Kim, Y J / Kinoshita, K / Korpar, S / Križan, P / Krokovny, P / Kuhr, T / Kuzmin, A / Kwon, Y-J / Lange, J S / Lee, I S / Li, C / Li, H / Li, L / Li Gioi, L / Libby, J / Liventsev, D / Lukin, P / Masuda, M / Matvienko, D / Miyabayashi, K / Miyata, H / Mizuk, R / Mohanty, G B / Moll, A / Mori, T / Mussa, R / Nakano, E / Nakao, M / Nanut, T / Natkaniec, Z / Nishida, S / Olsen, S L / Pakhlov, P / Pakhlova, G / Pal, B / Park, H / Pedlar, T K / Pestotnik, R / Petrič, M / Piilonen, L E / Pulvermacher, C / Ribežl, E / Ritter, M / Rostomyan, A / Sahoo, H / Sakai, Y / Sandilya, S / Sanuki, T / Savinov, V / Schneider, O / Schnell, G / Schwanda, C / Seino, Y / Semmler, D / Senyo, K / Seong, I S / Sevior, M E / Shebalin, V / Shen, C P / Shibata, T-A / Shiu, J-G / Shwartz, B / Simon, F / Sohn, Y-S / Solovieva, E / Starič, M / Sumiyoshi, T / Tamponi, U / Tanida, K / Teramoto, Y / Trabelsi, K / Uchida, M / Uehara, S / Uglov, T / Uno, S / Van Hulse, C / Vanhoefer, P / Varner, G / Vorobyev, V / Wagner, M N / Wang, C H / Wang, M-Z / Wang, P / Watanabe, Y / Williams, K M / Won, E / Yamamoto, H / Yamaoka, J / Yashchenko, S / Yelton, J / Yook, Y / Yuan, C Z / Zhang, Z P / Zhilich, V / Zhulanov, V / Zupanc, A

Physical review letters

2016 Volume 116, Issue 21, Page(s) 212001

Abstract: We report the analysis of the three-body e^{+}e^{-}→BB[over ¯]π^{±}, BB[over ¯]^{*}π^{±}, and B^{*}B[over ¯]^{*}π^{±} processes, including the first observations of the Z_{b}^{±}(10610)→[BB[over ¯]^{*}+c.c.]^{±} and Z_{b}^{±}(10650)→[B^{*}B[over ¯]^{*}]^{ ...

Abstract	We report the analysis of the three-body e^{+}e^{-}→BB[over ¯]π^{±}, BB[over ¯]^{}π^{±}, and B^{}B[over ¯]^{}π^{±} processes, including the first observations of the Z_{b}^{±}(10610)→[BB[over ¯]^{}+c.c.]^{±} and Z_{b}^{±}(10650)→[B^{}B[over ¯]^{}]^{±} transitions that are found to dominate the corresponding final states. We measure Born cross sections for the three-body production of σ(e^{+}e^{-}→[BB[over ¯]^{}+c.c.]^{±}π^{∓})=[17.4±1.6(stat)±1.9(syst)] pb and σ(e^{+}e^{-}→[B^{}B[over ¯]^{*}]^{±}π^{∓})=[8.75±1.15(stat)±1.04(syst)] pb and set a 90% C.L. upper limit of σ(e^{+}e^{-}→[BB[over ¯]]^{±}π^{∓})<2.9 pb. The results are based on a 121.4 fb^{-1} data sample collected with the Belle detector at a center-of-mass energy near the ϒ(10860) peak.
Language	English
Publishing date	2016-05-27
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.116.212001
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Measurement of the Direct CP Asymmetry in B¯→X(s+dγ) Decays with a Lepton Tag.

Pesántez, L / Urquijo, P / Dingfelder, J / Abdesselam, A / Adachi, I / Adamczyk, K / Aihara, H / Al Said, S / Arinstein, K / Asner, D M / Aulchenko, V / Aushev, T / Ayad, R / Bahinipati, S / Bakich, A M / Bansal, V / Barberio, E / Bhardwaj, V / Bhuyan, B /

Bobrov, A / Bondar, A / Bonvicini, G / Bozek, A / Bračko, M / Browder, T E / Červenkov, D / Chekelian, V / Chen, A / Cheon, B G / Chilikin, K / Chistov, R / Cho, K / Chobanova, V / Choi, Y / Cinabro, D / Dalseno, J / Doležal, Z / Drásal, Z / Drutskoy, A / Dutta, D / Eidelman, S / Farhat, H / Fast, J E / Ferber, T / Frost, O / Gaur, V / Gabyshev, N / Ganguly, S / Garmash, A / Getzkow, D / Gillard, R / Goh, Y M / Golob, B / Haba, J / Hasenbusch, J / Hayashii, H / He, X H / Heller, A / Horiguchi, T / Hou, W-S / Huschle, M / Iijima, T / Inami, K / Ishikawa, A / Itoh, R / Iwasaki, Y / Jaegle, I / Joffe, D / Julius, T / Kang, K H / Kato, E / Kawasaki, T / Kiesling, C / Kim, D Y / Kim, J B / Kim, J H / Kim, K T / Kim, M J / Kim, S H / Kim, Y J / Ko, B R / Kodyš, P / Korpar, S / Križan, P / Krokovny, P / Kronenbitter, B / Kuhr, T / Kumita, T / Kuzmin, A / Kwon, Y-J / Lange, J S / Lee, I S / Li, Y / Li Gioi, L / Libby, J / Liventsev, D / Lukin, P / Matvienko, D / Miyabayashi, K / Miyata, H / Mizuk, R / Mohanty, G B / Moll, A / Moon, H K / Nakano, E / Nakao, M / Nanut, T / Natkaniec, Z / Nayak, M / Ng, C / Nisar, N K / Nishida, S / Ogawa, S / Okuno, S / Olsen, S L / Oswald, C / Pakhlov, P / Pakhlova, G / Park, C W / Park, H / Pedlar, T K / Pestotnik, R / Petrič, M / Piilonen, L E / Ribežl, E / Ritter, M / Rostomyan, A / Rozanska, M / Sakai, Y / Sandilya, S / Santelj, L / Sanuki, T / Sato, Y / Savinov, V / Schneider, O / Schnell, G / Schwanda, C / Schwartz, A J / Senyo, K / Seon, O / Sevior, M E / Shebalin, V / Shen, C P / Shibata, T-A / Shiu, J-G / Shwartz, B / Sibidanov, A / Simon, F / Sohn, Y-S / Sokolov, A / Solovieva, E / Starič, M / Steder, M / Sumiyoshi, T / Tamponi, U / Taniguchi, N / Tatishvili, G / Teramoto, Y / Trabelsi, K / Uchida, M / Uglov, T / Unno, Y / Uno, S / Usov, Y / Van Hulse, C / Vanhoefer, P / Varner, G / Vinokurova, A / Vorobyev, V / Wagner, M N / Wang, B / Wang, C H / Wang, M-Z / Wang, P / Watanabe, Y / Williams, K M / Won, E / Yamaoka, J / Yashchenko, S / Yook, Y / Zhang, Z P / Zhilich, V / Zhulanov, V / Zupanc, A

Physical review letters

2015 Volume 114, Issue 15, Page(s) 151601

Abstract: We report the measurement of the direct CP asymmetry in the radiative B¯→X(s+dγ) decay using a data sample of (772 ± 11)×10(6) BB[over ¯] pairs collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The ... ...

Abstract	We report the measurement of the direct CP asymmetry in the radiative B¯→X(s+dγ) decay using a data sample of (772 ± 11)×10(6) BB[over ¯] pairs collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The CP asymmetry is measured as a function of the photon energy threshold. For Eγ≥2.1 GeV, where Eγ is the photon energy in the center-of-mass frame, we obtain A(CP)(B¯→X(s+dγ))=(2.2±3.9±0.9)%, consistent with the standard model prediction.
Language	English
Publishing date	2015-04-17
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.114.151601
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Observation of B^{0}→pΛ[over ¯]D^{(*)-}.

Chang, Y-Y / Wang, M-Z / Abdesselam, A / Adachi, I / Adamczyk, K / Aihara, H / Al Said, S / Asner, D M / Atmacan, H / Aushev, T / Babu, V / Badhrees, I / Bakich, A M / Barberio, E / Bhuyan, B / Biswal, J / Bobrov, A / Bozek, A / Bračko, M /

Browder, T E / Červenkov, D / Chekelian, V / Chen, A / Cheon, B G / Chilikin, K / Chistov, R / Chobanova, V / Choi, S-K / Choi, Y / Cinabro, D / Dalseno, J / Danilov, M / Dingfelder, J / Doležal, Z / Drásal, Z / Dutta, D / Eidelman, S / Farhat, H / Fast, J E / Ferber, T / Fulsom, B G / Gaur, V / Gabyshev, N / Ganguly, S / Garmash, A / Gillard, R / Glattauer, R / Goh, Y M / Goldenzweig, P / Greenwald, D / Grzymkowska, O / Haba, J / Hayasaka, K / Hayashii, H / He, X H / Hou, W-S / Hsu, C-L / Iijima, T / Inami, K / Ishikawa, A / Itoh, R / Iwasaki, Y / Jacobs, W W / Jaegle, I / Joffe, D / Joo, K K / Kawasaki, T / Kim, D Y / Kim, H J / Kim, J B / Kim, J H / Kim, K T / Kim, M J / Kim, S H / Kim, Y J / Kinoshita, K / Korpar, S / Križan, P / Krokovny, P / Kuhr, T / Kumita, T / Kuzmin, A / Kwon, Y-J / Lai, Y-T / Lee, I S / Li, L / Li, Y / Libby, J / Liventsev, D / Lukin, P / Masuda, M / Matvienko, D / Miyabayashi, K / Miyake, H / Miyata, H / Mizuk, R / Mohanty, G B / Mohanty, S / Moll, A / Moon, H K / Mori, T / Nakano, E / Nakao, M / Nanut, T / Nayak, M / Nishida, S / Ogawa, S / Ozaki, H / Pakhlov, P / Pakhlova, G / Pal, B / Park, C W / Pedlar, T K / Pestotnik, R / Petrič, M / Piilonen, L E / Rauch, J / Ribežl, E / Ritter, M / Rostomyan, A / Ryu, S / Sahoo, H / Sakai, Y / Sandilya, S / Santelj, L / Sanuki, T / Savinov, V / Schneider, O / Schnell, G / Schwanda, C / Seino, Y / Senyo, K / Seong, I S / Sevior, M E / Shebalin, V / Shen, C P / Shibata, T-A / Shiu, J-G / Simon, F / Sohn, Y-S / Starič, M / Stypula, J / Sumihama, M / Sumisawa, K / Sumiyoshi, T / Tamponi, U / Tanida, K / Teramoto, Y / Uglov, T / Unno, Y / Uno, S / Usov, Y / Van Hulse, C / Vanhoefer, P / Varner, G / Vorobyev, V / Vossen, A / Wagner, M N / Wang, C H / Wang, P / Watanabe, M / Watanabe, Y / Williams, K M / Won, E / Yamaoka, J / Yashchenko, S / Yelton, J / Yusa, Y / Zhang, Z P / Zhilich, V / Zhulanov, V / Zupanc, A

Physical review letters

2015 Volume 115, Issue 22, Page(s) 221803

Abstract: We report the first observation of the decays B^{0}→pΛ[over ¯]D^{(*)-}. The data sample of 711 fb^{-1} used in this analysis corresponds to 772×10^{6} BB[over ¯] pairs, collected at the ϒ(4S) resonance by the Belle detector at the KEKB asymmetric-energy ...

Abstract	We report the first observation of the decays B^{0}→pΛ[over ¯]D^{()-}. The data sample of 711 fb^{-1} used in this analysis corresponds to 772×10^{6} BB[over ¯] pairs, collected at the ϒ(4S) resonance by the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. We observe 19.8σ and 10.8σ excesses of events for the two decay modes and measure the branching fractions of B^{0}→pΛ[over ¯]D^{-} and B^{0}→pΛ[over ¯]D^{-} to be (25.1±2.6±3.5)×10^{-6} and (33.6±6.3±4.4)×10^{-6}, respectively, where the first uncertainties are statistical and the second are systematic. These results are not compatible with the predictions based on the generalized factorization approach. In addition, a threshold enhancement in the dibaryon (pΛ[over ¯]) system is observed, consistent with that observed in similar B decays.
Language	English
Publishing date	2015-11-27
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.115.221803
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: First Observation of the Hadronic Transition ϒ(4S)→ηh(b)(1P) and New Measurement of the h(b)(1P) and η(b)(1S) Parameters.

Tamponi, U / Mussa, R / Abdesselam, A / Aihara, H / Arinstein, K / Asner, D M / Atmacan, H / Aushev, T / Ayad, R / Badhrees, I / Bakich, A M / Barberio, E / Bhardwaj, V / Bhuyan, B / Biswal, J / Bondar, A / Bonvicini, G / Bozek, A / Bračko, M /

Browder, T E / Červenkov, D / Chen, A / Cheon, B G / Cho, K / Chobanova, V / Choi, S-K / Choi, Y / Cinabro, D / Danilov, M / Doležal, Z / Drásal, Z / Drutskoy, A / Eidelman, S / Epifanov, D / Farhat, H / Fast, J E / Ferber, T / Fulsom, B G / Gaur, V / Gabyshev, N / Garmash, A / Getzkow, D / Gillard, R / Goh, Y M / Golob, B / Haba, J / Hayasaka, K / Hayashii, H / He, X H / Hedges, M T / Hou, W-S / Iijima, T / Inami, K / Ishikawa, A / Jaegle, I / Joffe, D / Julius, T / Kato, E / Katrenko, P / Kichimi, H / Kiesling, C / Kim, D Y / Kim, H J / Kim, J H / Kim, K T / Kim, S H / Kinoshita, K / Kodyš, P / Korpar, S / Križan, P / Krokovny, P / Kumita, T / Kuzmin, A / Lange, J S / Lewis, P / Libby, J / Lukin, P / Matvienko, D / Miyabayashi, K / Miyata, H / Mizuk, R / Mohanty, G B / Moll, A / Mori, T / Nakano, E / Nakao, M / Nanut, T / Natkaniec, Z / Nayak, M / Nisar, N K / Nishida, S / Ogawa, S / Okuno, S / Olsen, S L / Ostrowicz, W / Oswald, C / Pakhlova, G / Pal, B / Park, H / Pedlar, T K / Pesántez, L / Pestotnik, R / Petrič, M / Piilonen, L E / Ribežl, E / Ritter, M / Rostomyan, A / Ryu, S / Sakai, Y / Sandilya, S / Santelj, L / Sanuki, T / Sato, Y / Savinov, V / Schneider, O / Schnell, G / Schwanda, C / Semmler, D / Senyo, K / Sevior, M E / Shapkin, M / Shebalin, V / Shen, C P / Shibata, T-A / Shiu, J-G / Shwartz, B / Sibidanov, A / Simon, F / Sohn, Y-S / Sokolov, A / Starič, M / Steder, M / Stypula, J / Tanida, K / Teramoto, Y / Trabelsi, K / Uchida, M / Uglov, T / Unno, Y / Uno, S / Urquijo, P / Van Hulse, C / Vanhoefer, P / Varner, G / Vinokurova, A / Vossen, A / Wagner, M N / Wang, M-Z / Wang, X L / Watanabe, Y / Williams, K M / Won, E / Yamaoka, J / Yashchenko, S / Zhang, Z P / Zhilich, V / Zhulanov, V / Zupanc, A

Physical review letters

2015 Volume 115, Issue 14, Page(s) 142001

Abstract: Using a sample of 771.6×10(6) ϒϒ(4S) decays collected by the Belle experiment at the KEKB e(+)e(-) collider, we observe, for the first time, the transition ϒ(4S)→ηh(b)(1P) with the branching fraction B[ϒ(4S)→ηh(b)(1P)]=(2.18±0.11±0.18)×10(-3) and we ... ...

Abstract	Using a sample of 771.6×10(6) ϒϒ(4S) decays collected by the Belle experiment at the KEKB e(+)e(-) collider, we observe, for the first time, the transition ϒ(4S)→ηh(b)(1P) with the branching fraction B[ϒ(4S)→ηh(b)(1P)]=(2.18±0.11±0.18)×10(-3) and we measure the h(b)(1P) mass M(h(b)(1P))=(9899.3±0.4±1.0) MeV/c(2), corresponding to the hyperfine (HF) splitting ΔM(HF)(1P)=(0.6±0.4±1.0) MeV/c(2). Using the transition h(b)(1P)→γη(b)(1S), we measure the η(b)(1S) mass M(η(b)(1S))=(9400.7±1.7±1.6) MeV/c(2), corresponding to ΔM(HF)(1S)=(59.6±1.7±1.6) MeV/c(2), the η(b)(1S) width Γ(η(b)(1S))=(8(-5)(+6)±5) MeV/c(2) and the branching fraction B[h(b)(1P)→γη(b)(1S)]=(56±8±4)%.
Language	English
Publishing date	2015-10-02
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.115.142001
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Book ; Online: Search for $B_{s}^{0}\rightarrow\gamma\gamma$ and a measurement of the branching fraction for $B_{s}^{0}\rightarrow\phi\gamma$

Belle Collaboration / Dutta, D. / Bhuyan, B. / Abdesselam, A. / Adachi, I. / Aihara, H. / Said, S. Al / Arinstein, K. / Asner, D. M. / Aulchenko, V. / Aushev, T. / Ayad, R. / Aziz, T. / Bahinipati, S. / Bakich, A. M. / Bansal, V. / Bhardwaj, V. / Bobrov, A. / Bonvicini, G. /

Bračko, M. / Browder, T. E. / Červenkov, D. / Chen, A. / Cheon, B. G. / Chilikin, K. / Chistov, R. / Cho, K. / Chobanova, V. / Choi, Y. / Cinabro, D. / Dalseno, J. / Doležal, Z. / Drásal, Z. / Drutskoy, A. / Dutta, K. / Eidelman, S. / Farhat, H. / Fast, J. E. / Frost, O. / Gaur, V. / Ganguly, S. / Garmash, A. / Getzkow, D. / Goh, Y. M. / Golob, B. / Hayashii, H. / He, X. H. / Hou, W. -S. / Iijima, T. / Ishikawa, A. / Iwasaki, Y. / Jaegle, I. / Joffe, D. / Kang, K. H. / Kato, E. / Kiesling, C. / Kim, D. Y. / Kim, J. B. / Kim, J. H. / Kim, K. T. / Kim, M. J. / Kim, S. H. / Kim, Y. J. / Kinoshita, K. / Ko, B. R. / Kodyš, P. / Korpar, S. / Križan, P. / Krokovny, P. / Kuhr, T. / Kuzmin, A. / Kwon, Y. -J. / Lange, J. S. / Lee, I. S. / Lewis, P. / Li, Y. / Gioi, L. Li / Libby, J. / Liventsev, D. / Matvienko, D. / Miyata, H. / Mizuk, R. / Mohanty, G. B. / Moll, A. / Mori, T. / Mussa, R. / Nakano, E. / Nakao, M. / Nanut, T. / Nayak, M. / Nisar, N. K. / Nishida, S. / Ogawa, S. / Okuno, S. / Pakhlov, P. / Pakhlova, G. / Pedlar, T. K. / Pestotnik, R. / Petrič, M. / Piilonen, L. E. / Ribežl, E. / Ritter, M. / Rostomyan, A. / Sakai, Y. / Sandilya, S. / Santelj, L. / Sanuki, T. / Sato, Y. / Savinov, V. / Schneider, O. / Schnell, G. / Schwanda, C. / Schwartz, A. J. / Semmler, D. / Shebalin, V. / Shibata, T. -A. / Shiu, J. -G. / Shwartz, B. / Sibidanov, A. / Simon, F. / Sohn, Y. -S. / Sokolov, A. / Solovieva, E. / Starič, M. / Sumihama, M. / Sumiyoshi, T. / Teramoto, Y. / Trabelsi, K. / Uchida, M. / Unno, Y. / Uno, S. / Usov, Y. / Van Hulse, C. / Vanhoefer, P. / Varner, G. / Vinokurova, A. / Vossen, A. / Wagner, M. N. / Wang, C. H. / Wang, P. / Watanabe, Y. / Wehle, S. / Williams, K. M. / Won, E. / Yamamoto, H. / Yamaoka, J. / Yashchenko, S. / Yusa, Y. / Zhang, Z. P. / Zhilich, V. / Zupanc, A.

2014

Abstract: We search for the decay $B_{s}^{0}\rightarrow\gamma\gamma$ and measure the branching fraction for $B_{s}^{0}\rightarrow\phi\gamma$ using 121.4~$\textrm{fb}^{-1}$ of data collected at the $\Upsilon(\mathrm{5}S)$ resonance with the Belle detector at the ... ...

Abstract	We search for the decay $B_{s}^{0}\rightarrow\gamma\gamma$ and measure the branching fraction for $B_{s}^{0}\rightarrow\phi\gamma$ using 121.4~$\textrm{fb}^{-1}$ of data collected at the $\Upsilon(\mathrm{5}S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^{+}e^{-}$ collider. The $B_{s}^{0}\rightarrow\phi\gamma$ branching fraction is measured to be $(3.6 \pm 0.5 (\mathrm{stat.}) \pm 0.3 (\mathrm{syst.}) \pm 0.6 (f_{s})) \times 10^{-5}$, where $f_{s}$ is the fraction of $B_{s}^{()}\bar{B}_{s}^{()}$ in $b\bar{b}$ events. Our result is in good agreement with the theoretical predictions as well as with a recent measurement from LHCb. We observe no statistically significant signal for the decay $B_{s}^{0}\rightarrow\gamma\gamma$ and set a $90\%$ confidence-level upper limit on its branching fraction at $ 3.1 \times 10^{-6}$. This constitutes a significant improvement over the previous result. Comment: 6 pages, 3 figures
Keywords	High Energy Physics - Experiment
Subject code	612
Publishing date	2014-11-28
Publishing country	us
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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