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Article ; Online: Observation of transverse polarization asymmetries of charged pion pairs in e+e- annihilation near √s = 10.58 GeV.

Vossen, A / Seidl, R / Adachi, I / Aihara, H / Aushev, T / Balagura, V / Bartel, W / Bischofberger, M / Bondar, A / Bračko, M / Browder, T E / Chang, M-C / Chen, A / Chen, P / Cheon, B G / Cho, K / Choi, Y / Eidelman, S / Feindt, M /

Gaur, V / Gabyshev, N / Garmash, A / Golob, B / Perdekamp, M Grosse / Haba, J / Hayasaka, K / Horii, Y / Hoshi, Y / Hou, W-S / Hyun, H J / Inami, K / Ishikawa, A / Iwabuchi, M / Iwasaki, Y / Iwashita, T / Joshi, N J / Kichimi, H / Kim, H O / Kim, M J / Ko, B R / Kumita, T / Lange, J S / Lee, M J / Lee, S-H / Leitgab, M / Li, Y / Liu, C / Liventsev, D / Louvot, R / McOnie, S / Miyata, H / Miyazaki, Y / Mizuk, R / Mohanty, G B / Nakano, E / Nishida, S / Nitoh, O / Ogawa, A / Ohshima, T / Okuno, S / Pakhlova, G / Park, H / Park, H K / Petrič, M / Piilonen, L E / Ryu, S / Sahoo, H / Sakai, Y / Schneider, O / Schwanda, C / Seon, O / Shapkin, M / Shebalin, V / Shibata, T-A / Shiu, J-G / Smerkol, P / Sohn, Y-S / Solovieva, E / Stanič, S / Starič, M / Sumihama, M / Sumiyoshi, T / Teramoto, Y / Uchida, M / Uehara, S / Uglov, T / Unno, Y / Uno, S / Varner, G / Vinokurova, A / Wang, C H / Wang, M-Z / Wang, P / Watanabe, Y / Won, E / Yabsley, B D / Yamashita, Y / Zhilich, V / Zhou, P / Zhulanov, V

Physical review letters

2011 Volume 107, Issue 7, Page(s) 72004

Abstract: The interference fragmentation function translates the fragmentation of a quark with a transverse projection of the spin into an azimuthal asymmetry of two final-state hadrons. In e(+)e(-) annihilation the product of two interference fragmentation ... ...

Abstract	The interference fragmentation function translates the fragmentation of a quark with a transverse projection of the spin into an azimuthal asymmetry of two final-state hadrons. In e(+)e(-) annihilation the product of two interference fragmentation functions is measured. We report nonzero asymmetries for pairs of charge-ordered π(+)π(-) pairs, which indicate a significant interference fragmentation function in this channel. The results are obtained from a 672 fb(-1) data sample that contains 711 × 10(6) π(+)π(-) pairs and was collected at and near the Υ(4S) resonance, with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider.
Language	English
Publishing date	2011-08-12
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.107.072004
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Evidence for direct CP violation in B±→ηh± and observation of B0→ηK0.

Hoi, C-T / Chang, P / Aihara, H / Asner, D M / Aushev, T / Bakich, A M / Belous, K / Bhardwaj, V / Bhuyan, B / Bischofberger, M / Bondar, A / Bozek, A / Bračko, M / Browder, T E / Chang, M-C / Chao, Y / Chen, A / Chen, K-F / Chen, P /

Cheon, B G / Chilikin, K / Cho, K / Choi, Y / Danilov, M / Drásal, Z / Drutskoy, A / Eidelman, S / Fast, J E / Gaur, V / Gabyshev, N / Goh, Y M / Golob, B / Haba, J / Hayasaka, K / Hoshi, Y / Hou, W-S / Hsiung, Y B / Hyun, H J / Inami, K / Ishikawa, A / Iwabuchi, M / Iwasaki, Y / Iwashita, T / Kang, J H / Kawasaki, T / Kim, H J / Kim, H O / Kim, J B / Kim, J H / Kim, K T / Kim, M J / Kinoshita, K / Ko, B R / Kobayashi, N / Kodyš, P / Korpar, S / Križan, P / Kuhr, T / Kumita, T / Kwon, Y-J / Lee, S-H / Li, J / Libby, J / Liu, Z Q / Louvot, R / Matvienko, D / McOnie, S / Miyabayashi, K / Miyata, H / Mohanty, G B / Moll, A / Nakano, E / Nakao, M / Neubauer, S / Nishida, S / Nishimura, K / Nitoh, O / Ohshima, T / Okuno, S / Park, C W / Park, H K / Pedlar, T K / Pestotnik, R / Petrič, M / Piilonen, L E / Ritter, M / Röhrken, M / Sahoo, H / Sakai, Y / Sanuki, T / Schneider, O / Schwanda, C / Schwartz, A J / Senyo, K / Sevior, M E / Shapkin, M / Shebalin, V / Shen, C P / Shibata, T-A / Shiu, J-G / Simon, F / Smerkol, P / Sohn, Y-S / Sokolov, A / Solovieva, E / Starič, M / Sumihama, M / Tanaka, S / Tatishvili, G / Teramoto, Y / Trabelsi, K / Uchida, M / Uglov, T / Unno, Y / Uno, S / Varner, G / Wang, C H / Wang, M-Z / Wang, P / Watanabe, Y / Williams, K M / Won, E / Yamaoka, J / Yamashita, Y / Yusa, Y / Zhilich, V / Zupanc, A

Physical review letters

2012 Volume 108, Issue 3, Page(s) 31801

Abstract: We report measurements of the branching fractions and CP asymmetries for B(±)→ηh(±) (h=K or π) and the observation of the decay B(0)→ηK(0) from the final data sample of 772×10(6) B ̅B pairs collected with the Belle detector at the KEKB asymmetric-energy ... ...

Abstract	We report measurements of the branching fractions and CP asymmetries for B(±)→ηh(±) (h=K or π) and the observation of the decay B(0)→ηK(0) from the final data sample of 772×10(6) B ̅B pairs collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The measured branching fractions are B(B(±)→ηK(±))=(2.12±0.23±0.11)×10(-6), B(B(±)→ηπ(±))=(4.07±0.26±0.21)×10(-6), and B(B(0)→ηK(0))=(1.27(-0.29)(+0.33)±0.08)×10(-6), where the last decay is observed for the first time with a significance of 5.4 standard deviations (σ). We also find evidence for CP violation in the charged B modes, A(CP)(B(±)→ηK(±))=-0.38±0.11±0.01 and A(CP)(B(±)→ηπ(±))=-0.19±0.06±0.01 with significances of 3.8 σ and 3.0 σ, respectively. For all measurements, the first and second uncertainties are statistical and systematic, respectively.
MeSH term(s)	Elementary Particles ; Monte Carlo Method ; Uncertainty
Language	English
Publishing date	2012-01-20
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.108.031801
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Search for CP violation in D± meson decays to ϕπ±.

Starič, M / Aihara, H / Arinstein, K / Asner, D M / Aushev, T / Bakich, A M / Bay, A / Bhardwaj, V / Bhuyan, B / Bozek, A / Bračko, M / Browder, T E / Chen, A / Chen, P / Cheon, B G / Chilikin, K / Chistov, R / Cho, I-S / Cho, K /

Choi, Y / Doležal, Z / Drásal, Z / Eidelman, S / Fast, J E / Gaur, V / Gabyshev, N / Golob, B / Haba, J / Hayasaka, K / Horii, Y / Hoshi, Y / Hou, W-S / Hsiung, Y B / Iijima, T / Inami, K / Ishikawa, A / Itoh, R / Iwabuchi, M / Iwasaki, Y / Iwashita, T / Julius, T / Kang, J H / Kawasaki, T / Kiesling, C / Kim, H J / Kim, H O / Kim, J B / Kim, K T / Kim, M J / Kim, Y J / Kinoshita, K / Ko, B R / Kobayashi, N / Koblitz, S / Kodyš, P / Korpar, S / Križan, P / Kumita, T / Kwon, Y-J / Lange, J S / Lee, S-H / Li, J / Li, Y / Libby, J / Liu, C / Liu, Z Q / Louvot, R / McOnie, S / Miyabayashi, K / Miyata, H / Miyazaki, Y / Mohanty, G B / Nakano, E / Natkaniec, Z / Nishida, S / Nitoh, O / Nozaki, T / Ohshima, T / Okuno, S / Olsen, S L / Pakhlova, G / Park, H K / Park, K S / Pestotnik, R / Petrič, M / Piilonen, L E / Röhrken, M / Ryu, S / Sahoo, H / Sakai, K / Sakai, Y / Sanuki, T / Schneider, O / Schwanda, C / Schwartz, A J / Seon, O / Sevior, M E / Shebalin, V / Shen, C P / Shibata, T-A / Shiu, J-G / Shwartz, B / Simon, F / Smerkol, P / Sohn, Y-S / Sokolov, A / Stanič, S / Sumihama, M / Sumisawa, K / Tatishvili, G / Teramoto, Y / Trabelsi, K / Uchida, M / Uehara, S / Uglov, T / Unno, Y / Uno, S / Urquijo, P / Varner, G / Vossen, A / Wang, C H / Wang, M-Z / Watanabe, M / Watanabe, Y / Williams, K M / Won, E / Yabsley, B D / Yamashita, Y / Yuan, C Z / Zhang, C C / Zhang, Z P / Zhilich, V / Zhulanov, V / Zupanc, A

Physical review letters

2012 Volume 108, Issue 7, Page(s) 71801

Abstract: We search for CP violation in Cabibbo-suppressed charged D meson decays by measuring the difference between the CP-violating asymmetries for the Cabibbo-suppressed decays D(±)→K(+)K(-)π(±) and the Cabibbo-favored decays D(s)(±)→K(+)K(-)π(±) in the K(+)K(- ...

Abstract	We search for CP violation in Cabibbo-suppressed charged D meson decays by measuring the difference between the CP-violating asymmetries for the Cabibbo-suppressed decays D(±)→K(+)K(-)π(±) and the Cabibbo-favored decays D(s)(±)→K(+)K(-)π(±) in the K(+)K(-) mass region of the ϕ resonance. Using 955 fb(-1) of data collected with the Belle detector, we obtain A(CP)(D+→ϕπ+)=(+0.51±0.28±0.05)%. The measurement improves the sensitivity of previous searches by more than a factor of 5. We find no evidence for direct CP violation.
Language	English
Publishing date	2012-02-17
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.108.071801
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Evidence for the suppressed decay B(-)→DK(-), D→K(+)π(-).

Horii, Y / Trabelsi, K / Yamamoto, H / Adachi, I / Aihara, H / Arinstein, K / Aulchenko, V / Aushev, T / Balagura, V / Barberio, E / Belous, K / Bhuyan, B / Bischofberger, M / Bozek, A / Bračko, M / Browder, T E / Chang, M-C / Chang, P / Chen, A /

Chen, P / Cheon, B G / Chiang, C-C / Cho, I-S / Cho, K / Choi, Y / Doležal, Z / Eidelman, S / Feindt, M / Gaur, V / Gabyshev, N / Garmash, A / Golob, B / Ha, H / Haba, J / Hayasaka, K / Hoshi, Y / Hou, W-S / Hsiung, Y B / Hyun, H J / Iijima, T / Inami, K / Ishikawa, A / Itoh, R / Iwabuchi, M / Iwasaki, Y / Iwashita, T / Joshi, N J / Julius, T / Kang, J H / Kawasaki, T / Kichimi, H / Kiesling, C / Kim, H J / Kim, H O / Kim, M J / Kim, Y J / Kinoshita, K / Ko, B R / Kobayashi, N / Korpar, S / Križan, P / Kuhr, T / Kumar, R / Kwon, Y -J / Lee, M J / Lee, S-H / Li, J / Liu, C / Liventsev, D / Louvot, R / Matyja, A / McOnie, S / Miyabayashi, K / Miyata, H / Miyazaki, Y / Mohanty, G B / Moll, A / Mori, T / Muramatsu, N / Nakano, E / Nakazawa, H / Natkaniec, Z / Neubauer, S / Nishida, S / Nitoh, O / Ohshima, T / Okuno, S / Onuki, Y / Pakhlov, P / Pakhlova, G / Park, C W / Park, H K / Pestotnik, R / Petrič, M / Piilonen, L E / Poluektov, A / Prim, M / Prothmann, K / Röhrken, M / Ryu, S / Sahoo, H / Sakai, Y / Schneider, O / Schwanda, C / Schwartz, A J / Senyo, K / Seon, O / Sevior, M E / Shapkin, M / Shebalin, V / Shen, C P / Shibata, T-A / Shiu, J-G / Simon, F / Smerkol, P / Sohn, Y -S / Solovieva, E / Stanič, S / Starič, M / Sumihama, M / Sumiyoshi, T / Suzuki, S / Tanaka, S / Teramoto, Y / Uchida, M / Uehara, S / Uglov, T / Unno, Y / Uno, S / Usov, Y / Varner, G / Vinokurova, A / Vossen, A / Wang, C H / Wang, P / Watanabe, M / Watanabe, Y / Wicht, J / Won, E / Yabsley, B D / Yamashita, Y / Zander, D / Zhang, Z P / Zhulanov, V / Zupanc, A

Physical review letters

2011 Volume 106, Issue 23, Page(s) 231803

Abstract: The suppressed decay chain B(-)→DK(-), D→K(+)π(-), where D indicates a D(¯)(0) or D(0) state, provides important information on the CP-violating angle ϕ(3). We measure the ratio R(DK) of the decay rates to the favored mode B(-)→DK(-), D→K(-)π(+) to be R( ... ...

Abstract	The suppressed decay chain B(-)→DK(-), D→K(+)π(-), where D indicates a D(¯)(0) or D(0) state, provides important information on the CP-violating angle ϕ(3). We measure the ratio R(DK) of the decay rates to the favored mode B(-)→DK(-), D→K(-)π(+) to be R(DK)=[1.63(-0.41)(+0.44)(stat)(-0.13)(+0.07)(syst)]×10(-2), which indicates the first evidence of the signal with a significance of 4.1σ. We also measure the asymmetry A(DK) between the charge-conjugate decays to be A(DK)=-0.39(-0.28)(+0.26)(stat)(-0.03)(+0.04)(syst). The results are based on the full 772×10(6) BB(¯) pair data sample collected at the Υ(4S) resonance with the Belle detector.
Language	English
Publishing date	2011-06-10
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.106.231803
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Observation of X(3872)→J/ψγ and search for X(3872)→ψ'γ in B decays.

Bhardwaj, V / Trabelsi, K / Singh, J B / Choi, S-K / Olsen, S L / Adachi, I / Adamczyk, K / Asner, D M / Aulchenko, V / Aushev, T / Aziz, T / Bakich, A M / Barberio, E / Belous, K / Bhuyan, B / Bischofberger, M / Bondar, A / Bračko, M / Brodzicka, J /

Browder, T E / Chen, A / Chen, P / Cheon, B G / Cho, K / Choi, Y / Dalseno, J / Doležal, Z / Eidelman, S / Epifanov, D / Gaur, V / Gabyshev, N / Golob, B / Haba, J / Hayasaka, K / Hayashii, H / Horii, Y / Hoshi, Y / Hou, W-S / Hsiung, Y B / Hyun, H J / Iijima, T / Inami, K / Ishikawa, A / Iwabuchi, M / Iwasaki, Y / Iwashita, T / Joshi, N J / Julius, T / Kang, J H / Kawasaki, T / Kiesling, C / Kim, H O / Kim, J B / Kim, J H / Kim, K T / Kim, M J / Kim, S K / Kim, Y J / Kinoshita, K / Ko, B R / Kobayashi, N / Korpar, S / Križan, P / Kumar, R / Kumita, T / Kuzmin, A / Kwon, Y-J / Lange, J S / Lee, M J / Lee, S-H / Li, Y / Libby, J / Lim, C-L / Liventsev, D / Louvot, R / Matvienko, D / McOnie, S / Miyabayashi, K / Miyata, H / Miyazaki, Y / Mizuk, R / Mohanty, G B / Mussa, R / Nakano, E / Nakao, M / Nakazawa, H / Natkaniec, Z / Ng, C / Nishida, S / Nitoh, O / Nozaki, T / Ohshima, T / Okuno, S / Onuki, Y / Pakhlova, G / Park, C W / Park, H K / Pestotnik, R / Petrič, M / Piilonen, L E / Röhrken, M / Sahoo, H / Sakai, K / Sakai, Y / Sanuki, T / Schneider, O / Schwanda, C / Seon, O / Shapkin, M / Shebalin, V / Shibata, T-A / Shiu, J-G / Shwartz, B / Smerkol, P / Sohn, Y-S / Sokolov, A / Solovieva, E / Stanič, S / Starič, M / Sumiyoshi, T / Tatishvili, G / Teramoto, Y / Uchida, M / Uehara, S / Uglov, T / Unno, Y / Uno, S / Usov, Y / Varner, G / Vossen, A / Wang, X L / Watanabe, M / Watanabe, Y / Williams, K M / Yabsley, B D / Yamashita, Y / Yuan, C Z / Zhang, C C / Zhang, Z P / Zhilich, V / Zhou, P / Zhulanov, V / Zupanc, A

Physical review letters

2011 Volume 107, Issue 9, Page(s) 91803

Abstract: We report a study of B→(J/ψγ)K and B→(ψ'γ)K decay modes using 772×10⁶ B ̅B events collected at the Υ(4S) resonance with the Belle detector at the KEKB energy-asymmetric e(+)e(-) collider. We observe X(3872)→J/ψγ and report the first evidence for χ(c2)→J/ ... ...

Abstract	We report a study of B→(J/ψγ)K and B→(ψ'γ)K decay modes using 772×10⁶ B ̅B events collected at the Υ(4S) resonance with the Belle detector at the KEKB energy-asymmetric e(+)e(-) collider. We observe X(3872)→J/ψγ and report the first evidence for χ(c2)→J/ψγ in B→(X_{c ̅cγ)K decays, while in a search for X(3872)→ψ'γ no significant signal is found. We measure the branching fractions, B(B(±)→X(3872)K(±))B(X(3872)→J/ψγ)=(1.78(-0.44)(+0.48)±0.12)×10(-6), B(B(±)→χ(c2)K(±))=(1.11(-0.34)(+0.36)±0.09)×10(-5), B(B(±)→X(3872)K(±))B(X(3872)→ψ'γ)<3.45×10⁶ (upper limit at 90% C.L.), and also provide upper limits for other searches.
Language	English
Publishing date	2011-08-26
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.107.091803
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Search for CP violation in the decays D(0)→K(S)(0)P(0).

Ko, B R / Won, E / Arinstein, K / Aushev, T / Bakich, A M / Balagura, V / Barberio, E / Belous, K / Bhardwaj, V / Bhuyan, B / Bischofberger, M / Bondar, A / Bozek, A / Bračko, M / Brodzicka, J / Browder, T E / Chen, A / Chen, P / Cheon, B G /

Chiang, C-C / Cho, I-S / Cho, K / Choi, K-S / Choi, S-K / Choi, Y / Eidelman, S / Epifanov, D / Feindt, M / Gabyshev, N / Garmash, A / Golob, B / Ha, H / Haba, J / Hayashii, H / Horii, Y / Hoshi, Y / Hou, W-S / Hyun, H J / Iijima, T / Inami, K / Ishikawa, A / Itoh, R / Iwabuchi, M / Iwashita, T / Julius, T / Kang, J H / Kawasaki, T / Kiesling, C / Kim, H O / Kim, M J / Kim, Y J / Kinoshita, K / Kodyš, P / Korpar, S / Križan, P / Kumar, R / Kuzmin, A / Kwon, Y-J / Kyeong, S-H / Lee, M J / Lee, S-H / Liu, C / Liventsev, D / Louvot, R / Matyja, A / Miyabayashi, K / Miyata, H / Miyazaki, Y / Mizuk, R / Mohanty, G B / Mori, T / Nakano, E / Nakao, M / Nishida, S / Nishimura, K / Nitoh, O / Ogawa, S / Ohshima, T / Okuno, S / Olsen, S L / Pakhlov, P / Park, C W / Park, H / Park, H K / Pestotnik, R / Petrič, M / Piilonen, L E / Poluektov, A / Röhrken, M / Sakai, Y / Schneider, O / Schwanda, C / Schwartz, A J / Senyo, K / Sevior, M E / Shapkin, M / Shebalin, V / Shen, C P / Shiu, J-G / Shwartz, B / Simon, F / Singh, J B / Smerkol, P / Sohn, Y-S / Solovieva, E / Stanič, S / Starič, M / Sumihama, M / Sumisawa, K / Sumiyoshi, T / Tanaka, S / Teramoto, Y / Trabelsi, K / Uchida, M / Uehara, S / Uglov, T / Unno, Y / Usov, Y / Varner, G / Varvell, K E / Vinokurova, A / Wang, C H / Wang, M-Z / Watanabe, Y / Yamashita, Y / Yamauchi, M / Zhang, Z P / Zhilich, V / Zhulanov, V / Zupanc, A / Zyukova, O

Physical review letters

2011 Volume 106, Issue 21, Page(s) 211801

Abstract: We have searched for CP violation in the decays D(0)→K(S)(0)P(0) where P(0) denotes a neutral pseudoscalar meson that is either a π(0), η, or η' using KEKB asymmetric-energy e(+)e(-) collision data corresponding to an integrated luminosity of 791 fb(-1) ... ...

Abstract	We have searched for CP violation in the decays D(0)→K(S)(0)P(0) where P(0) denotes a neutral pseudoscalar meson that is either a π(0), η, or η' using KEKB asymmetric-energy e(+)e(-) collision data corresponding to an integrated luminosity of 791 fb(-1) collected with the Belle detector. No evidence of significant CP violation is observed. We report the most precise CP asymmetry measurement in the decay D(0)→K(S)(0)π(0) to date: A(CP)(D(0)→K(S)(0)π(0))=(-0.28±0.19±0.10)%. We also report the first measurements of CP asymmetries in the decays D(0)→K(S)(0)η and D(0)→K(S)(0)η': A(CP)(D(0)→K(S)(0)η)=(+0.54±0.51±0.16)% and A(CP)(D(0)→K(S)(0)η')=(+0.98±0.67±0.14)%, respectively.
MeSH term(s)	Models, Theoretical ; Physical Phenomena ; Uncertainty
Language	English
Publishing date	2011-05-27
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.106.211801
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Search for CP violation in τ±→K(S)0π±ντ decays at Belle.

Bischofberger, M / Hayashii, H / Adamczyk, K / Aihara, H / Aulchenko, V / Bakich, A M / Balagura, V / Barberio, E / Belous, K / Bozek, A / Bračko, M / Browder, T E / Chen, P / Cheon, B G / Chiang, C-C / Cho, I-S / Cho, K / Choi, Y / Danilov, M /

Doležal, Z / Drutskoy, A / Eidelman, S / Epifanov, D / Golob, B / Ha, H / Haba, J / Hayasaka, K / Horii, Y / Hoshi, Y / Hou, W-S / Hsiung, Y B / Hyun, H J / Inami, K / Ishikawa, A / Itoh, R / Iwabuchi, M / Iwasaki, Y / Julius, T / Kang, J H / Kawai, H / Kawasaki, T / Kiesling, C / Kim, H O / Kim, M J / Kim, Y J / Kinoshita, K / Ko, B R / Kodyš, P / Križan, P / Kwon, Y-J / Kyeong, S-H / Lange, J S / Lee, M J / Lee, S-H / Li, J / Li, Y / Liu, C / Louvot, R / MacNaughton, J / McOnie, S / Miyabayashi, K / Miyata, H / Miyazaki, Y / Mizuk, R / Mohanty, G B / Moll, A / Mori, T / Nagasaka, Y / Nakano, E / Nakao, M / Nakazawa, H / Nishida, S / Nishimura, K / Nitoh, O / Ohshima, T / Okuno, S / Pakhlova, G / Park, H / Park, H K / Petrič, M / Piilonen, L E / Röhrken, M / Ryu, S / Sahoo, H / Sakai, Y / Schneider, O / Schwanda, C / Senyo, K / Shapkin, M / Shiu, J-G / Shwartz, B / Simon, F / Smerkol, P / Sohn, Y-S / Stanič, S / Starič, M / Sumiyoshi, T / Teramoto, Y / Trabelsi, K / Uehara, S / Uglov, T / Uno, S / Varner, G / Vinokurova, A / Vossen, A / Wang, C H / Wang, P / Watanabe, M / Watanabe, Y / Won, E / Yamamoto, H / Yamashita, Y / Yuan, C Z / Zhou, P / Zhulanov, V / Zivko, T

Physical review letters

2011 Volume 107, Issue 13, Page(s) 131801

Abstract: We report on a search for CP violation in τ(±)→K(S)(0)π(±)ν(τ) decays using a data sample of 699 fb(-1) collected by the Belle experiment at the KEKB electron-positron asymmetric-energy collider. The CP asymmetry is measured in four bins of the invariant ...

Abstract	We report on a search for CP violation in τ(±)→K(S)(0)π(±)ν(τ) decays using a data sample of 699 fb(-1) collected by the Belle experiment at the KEKB electron-positron asymmetric-energy collider. The CP asymmetry is measured in four bins of the invariant mass of the K(S)(0)π(±) system and found to be compatible with zero with a precision of O(10(-3)) in each mass bin. Limits for the CP violation parameter Im(η(S)) are given at the 90% confidence level. These limits are \|Im(η(S))\| < 0.026 or better, depending on the parametrization used to describe the hadronic form factors, and improve upon previous limits by 1 order of magnitude.
Language	English
Publishing date	2011-09-23
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.107.131801
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Article ; Online: Observation of B(s)(0) → D(s)(-) π+ and B(s)(0) → D(s)(-) ρ+ and measurement of the B(s)(0) → D(s)(*-) ρ+ longitudinal polarization fraction.

Louvot, R / Schneider, O / Aushev, T / Arinstein, K / Bakich, A M / Balagura, V / Barberio, E / Bay, A / Belous, K / Bischofberger, M / Bondar, A / Bozek, A / Bracko, M / Browder, T E / Chang, P / Chao, Y / Chen, A / Chen, K-F / Chen, P /

Cheon, B G / Chiang, C-C / Cho, I-S / Choi, Y / Danilov, M / Dash, M / Drutskoy, A / Eidelman, S / Goldenzweig, P / Golob, B / Ha, H / Haba, J / Hara, T / Horii, Y / Hoshi, Y / Hou, W-S / Hsiung, Y B / Hyun, H J / Iijima, T / Inami, K / Itoh, R / Iwabuchi, M / Iwasaki, M / Iwasaki, Y / Joshi, N J / Kah, D H / Kang, J H / Kapusta, P / Katayama, N / Kawasaki, T / Kiesling, C / Kim, H J / Kim, H O / Kim, J H / Kim, M J / Kim, Y J / Kinoshita, K / Ko, B R / Kodys, P / Korpar, S / Krizan, P / Krokovny, P / Kumita, T / Kwon, Y-J / Kyeong, S-H / Lange, J S / Lee, M J / Lee, S-H / Li, J / Liu, C / Matyja, A / McOnie, S / Miyabayashi, K / Miyata, H / Miyazaki, Y / Mohanty, G B / Nakao, M / Nakazawa, H / Nishida, S / Nishimura, K / Nitoh, O / Ohshima, T / Okuno, S / Olsen, S L / Pakhlov, P / Pakhlova, G / Palka, H / Park, H / Park, H K / Pestotnik, R / Petric, M / Piilonen, L E / Poluektov, A / Prim, M / Röhrken, M / Ryu, S / Sahoo, H / Sakai, Y / Schwanda, C / Schwartz, A J / Senyo, K / Sevior, M E / Shapkin, M / Shebalin, V / Shen, C P / Shiu, J-G / Singh, J B / Smerkol, P / Sokolov, A / Stanic, S / Staric, M / Sumiyoshi, T / Taylor, G N / Teramoto, Y / Trabelsi, K / Uehara, S / Unno, Y / Uno, S / Varner, G / Varvell, K E / Vervink, K / Wang, C H / Wang, M-Z / Wang, P / Wicht, J / Won, E / Yabsley, B D / Yamashita, Y / Zhang, Z P / Zivko, T / Zyukova, O

Physical review letters

2010 Volume 104, Issue 23, Page(s) 231801

Abstract: First observations of the B(s)(0) → D(s)(*-) π+, B(s)(0) → D(s)(-) ρ+ and B(s)(0) → D(s)(*-) ρ+ decays are reported together with measurements of their branching fractions: B(B(s)(0) → D(s)(*-) π+) = [2.4(-0.4)(+0.5)(stat) ± 0.3(syst) ± 0.4(f(s))]×10(-3), ...

Abstract	First observations of the B(s)(0) → D(s)(-) π+, B(s)(0) → D(s)(-) ρ+ and B(s)(0) → D(s)(-) ρ+ decays are reported together with measurements of their branching fractions: B(B(s)(0) → D(s)(-) π+) = [2.4(-0.4)(+0.5)(stat) ± 0.3(syst) ± 0.4(f(s))]×10(-3), B(B(s)(0) → D(s)(-) ρ+) = [8.5(-1.2)(+1.3)(stat) ± 1.1(syst) ± 1.3(f(s))]×10(-3) and B(B(s)(0) → D(s)(-) ρ+) = [11.9(-2.0)(+2.2)(stat) ± 1.7(syst) ± 1.8(f(s))]×10(-3) (f(s) = N(B(s)() B(s)())/N(bb)). From helicity-angle distributions, we measured the longitudinal polarization fraction in B(s)(0) → D(s)(-) ρ+ decays to be f(L)(B(s)(0) → D(s)(-) ρ+) = 1.05(-0.10)(+0.08)(stat)(-0.04)(+0.03)(syst). These results are based on a 23.6 fb(-1) data sample collected at the Υ(5S) resonance with the Belle detector at the KEKB e+ e- collider.
MeSH term(s)	Elementary Particles ; Quantum Theory
Language	English
Publishing date	2010-06-11
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.104.231801
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Search for a low mass particle decaying into μ+ μ- in B0 → K*0 X and B0 → ρ0 X at Belle.

Hyun, H J / Park, H K / Kim, H O / Park, H / Aihara, H / Arinstein, K / Aushev, T / Bakich, A M / Barberio, E / Bay, A / Belous, K / Bischofberger, M / Bondar, A / Bozek, A / Bracko, M / Chang, M-C / Chang, P / Chao, Y / Chen, A /

Chen, P / Cheon, B G / Cho, I-S / Choi, Y / Dalseno, J / Danilov, M / Dash, M / Drutskoy, A / Eidelman, S / Gabyshev, N / Golob, B / Ha, H / Hara, T / Horii, Y / Hoshi, Y / Hou, W-S / Hsiung, Y B / Inami, K / Iwasaki, Y / Joshi, N J / Kah, D H / Kang, J H / Kapusta, P / Kawasaki, T / Kichimi, H / Kiesling, C / Kim, H J / Kim, J H / Kim, M J / Ko, B R / Kodys, P / Krizan, P / Kuzmin, A / Kwon, Y-J / Kyeong, S-H / Lange, J S / Lee, S-H / Li, J / Liventsev, D / Louvot, R / Matyja, A / McOnie, S / Miyabayashi, K / Miyata, H / Miyazaki, Y / Mohanty, G B / Nakano, E / Nakazawa, H / Nishida, S / Nishimura, K / Nitoh, O / Ohshima, T / Okuno, S / Olsen, S L / Palka, H / Park, C W / Pestotnik, R / Petric, M / Piilonen, L E / Ryu, S / Sahoo, H / Sakai, Y / Schneider, O / Sevior, M E / Shapkin, M / Shiu, J-G / Shwartz, B / Singh, J B / Stanic, S / Staric, M / Sumiyoshi, T / Suzuki, S / Teramoto, Y / Trabelsi, K / Uehara, S / Unno, Y / Uno, S / Varner, G / Varvell, K E / Vervink, K / Wang, C H / Wang, M-Z / Wang, P / Wang, X L / Wedd, R / Won, E / Yabsley, B D / Yamashita, Y / Zhang, Z P / Zhilich, V / Zyukova, O

Physical review letters

2010 Volume 105, Issue 9, Page(s) 91801

Abstract: We search for dimuon decays of a low mass particle in the decays B0→K*0 X and B0→ρ0 X using a data sample of 657×10(6)BB events collected with the Belle detector at the KEKB asymmetric-energy e+ e- collider. We find no evidence for such a particle in the ...

Abstract	We search for dimuon decays of a low mass particle in the decays B0→K0 X and B0→ρ0 X using a data sample of 657×10(6)BB events collected with the Belle detector at the KEKB asymmetric-energy e+ e- collider. We find no evidence for such a particle in the mass range from 212 MeV/c2 to 300 MeV/c2 for lifetimes below 10(-12) s, and set upper limits on its branching fractions. In particular, we search for a particle with a mass of 214.3 MeV/c2 reported by the HyperCP experiment, and obtain upper limits on the products B(B0→K0 X)×B(X→μ+ μ- )<2.26(2.27)×10(-8) and B(B0→ρ0 X)×B(X→μ+ μ-)<1.73(1.73)×10(-8) at 90% C.L. for a scalar (vector) X particle.
MeSH term(s)	Algorithms ; Energy Transfer ; Ions ; Models, Chemical ; Nanoparticles/chemistry ; Nuclear Physics ; Particle Accelerators
Chemical Substances	Ions
Language	English
Publishing date	2010-08-27
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	208853-8
ISSN	1079-7114 ; 0031-9007
ISSN (online)	1079-7114
ISSN	0031-9007
DOI	10.1103/PhysRevLett.105.091801
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Observation of B(s)(0) → D(s)()+ D(s)()- using e+ e- collisions and a determination of the B(s)-B(s) width difference ΔΓ(s).

Esen, S / Schwartz, A J / Adachi, I / Aihara, H / Arinstein, K / Aulchenko, V / Aushev, T / Aziz, T / Bakich, A M / Balagura, V / Barberio, E / Bay, A / Bischofberger, M / Bondar, A / Bozek, A / Bračko, M / Browder, T E / Chang, M-C / Chang, P /

Chen, A / Chen, P / Cheon, B G / Chiang, C-C / Choi, Y / Dalseno, J / Dash, M / Doležal, Z / Drásal, Z / Drutskoy, A / Eidelman, S / Goldenzweig, P / Golob, B / Ha, H / Haba, J / Hara, T / Hayasaka, K / Higuchi, T / Hoshi, Y / Hou, W-S / Hsiung, Y B / Hyun, H J / Iijima, T / Inami, K / Itoh, R / Iwabuchi, M / Joshi, N J / Julius, T / Kang, J H / Kawasaki, T / Kichimi, H / Kim, H J / Kim, H O / Kim, J H / Kim, Y J / Kinoshita, K / Ko, B R / Kodyš, P / Korpar, S / Križan, P / Krokovny, P / Kuhr, T / Kumita, T / Kwon, Y-J / Kyeong, S-H / Lange, J S / Lee, S-H / Liu, Y / Liventsev, D / Louvot, R / Matyja, A / McOnie, S / Miyata, H / Mizuk, R / Mohanty, G B / Nakano, E / Nakao, M / Nakazawa, H / Natkaniec, Z / Neubauer, S / Nishida, S / Nitoh, O / Ohshima, T / Okuno, S / Olsen, S L / Pakhlov, P / Park, C W / Park, H / Park, H K / Petrič, M / Piilonen, L E / Röhrken, M / Ryu, S / Sahoo, H / Sakai, Y / Schneider, O / Schwanda, C / Senyo, K / Sevior, M E / Shapkin, M / Shen, C P / Shiu, J-G / Smerkol, P / Solovieva, E / Starič, M / Sumisawa, K / Sumiyoshi, T / Teramoto, Y / Trabelsi, K / Uehara, S / Unno, Y / Uno, S / Urquijo, P / Usov, Y / Varner, G / Varvell, K E / Vervink, K / Wang, C H / Wang, M-Z / Wang, P / Watanabe, Y / Wedd, R / Wicht, J / Won, E / Yabsley, B D / Yamashita, Y / Zhang, Z P / Zhilich, V / Zupanc, A

Physical review letters

2010 Volume 105, Issue 20, Page(s) 201802

Abstract: We have made the first observation of B(s)(0)→D(s)(*)+ D(s)(*)- decays using 23.6 fb(-1) of data recorded by the Belle experiment running on the Υ(5S) resonance. The branching fractions are measured to be B(B(s)(0)→D(s)+ D(s)-)=(1.03(-0.32-0.25)(+0.39+0. ...

Abstract	We have made the first observation of B(s)(0)→D(s)()+ D(s)()- decays using 23.6 fb(-1) of data recorded by the Belle experiment running on the Υ(5S) resonance. The branching fractions are measured to be B(B(s)(0)→D(s)+ D(s)-)=(1.03(-0.32-0.25)(+0.39+0.26))%, B(B(s)(0)→D(s)(±) D(s)(∓))=(2.75(-0.71)(+0.83)±0.69)%, and B(B(s)(0)→D(s)+ D(s)-)=(3.08(-1.04-0.86)(+1.22+0.85))%; the sum is B[B(s)(0)→D(s)()+ D(s)()-]=(6.85(-1.30-1.80)(+1.53+1.79))%. Assuming B(s)(0)→D(s)()+ D(s)(*)- saturates decays to CP-even final states, the branching fraction determines the ratio ΔΓ(s)/cosφ, where ΔΓ(s) is the difference in widths between the two B(s)-B(s) mass eigenstates, and φ is a CP-violating weak phase. Taking CP violation to be negligibly small, we obtain ΔΓ(s)/Γ(s)=0.147(-0.030)(+0.036)(stat)(-0.041)(+0.042)(syst), where Γ(s) is the mean decay width.
Language	English
Publishing date	2010-11-12
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.105.201802
Database	MEDical Literature Analysis and Retrieval System OnLINE

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