Measurements of branching fractions for B0 → Ds+ π- and (B)over-bar0 → Ds+ K-

被引：15

作者：

Das, A. ^{[1
]}

Aziz, T. ^{[1
]}

Trabelsi, K. ^{[9
]}

Mohanty, B. ^{[1
]}

Adachi, I. ^{[9
]}

Aihara, H. ^{[46
]}

Arinstein, K. ^{[2
,35
]}

Aulchenko, V. ^{[2
,35
]}

Aushev, T. ^{[15
,22
]}

Bakich, A. M. ^{[42
]}

Balagura, V. ^{[15
]}

Barberio, E. ^{[26
]}

Belous, K. ^{[13
]}

Bhardwaj, V. ^{[37
]}

Bhuyan, B. ^{[10
]}

Bischofberger, M. ^{[28
]}

Bondar, A. ^{[2
,35
]}

Bozek, A. ^{[32
]}

Bracko, M. ^{[16
,24
]}

Browder, T. E. ^{[8
]}

Chao, Y. ^{[31
]}

Chen, A. ^{[29
]}

Chen, K. -F. ^{[31
]}

Chen, P. ^{[31
]}

Cheon, B. G. ^{[7
]}

Chiang, C. -C. ^{[31
]}

Cho, I. -S. ^{[51
]}

Choi, Y. ^{[41
]}

Dalseno, J. ^{[25
,43
]}

Danilov, M. ^{[15
]}

Dolezal, Z. ^{[3
]}

Drasal, Z. ^{[3
]}

Drutskoy, A. ^{[5
]}

Dungel, W. ^{[12
]}

Eidelman, S. ^{[2
,35
]}

Esen, S. ^{[5
]}

Gabyshev, N. ^{[2
,35
]}

Ha, H. ^{[20
]}

Hayasaka, K. ^{[27
]}

Hayashii, H. ^{[28
]}

Horii, Y. ^{[45
]}

Hoshi, Y. ^{[44
]}

Hou, W. -S. ^{[31
]}

Hyun, H. J. ^{[21
]}

Iijima, T. ^{[27
]}

Inami, K. ^{[27
]}

Itoh, R. ^{[9
]}

Iwabuchi, M. ^{[51
]}

Iwasaki, Y. ^{[9
]}

Joshi, N. J. ^{[1
]}

机构：

[1] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India

[2] Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[3] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic

[4] Chiba Univ, Chiba, Japan

[5] Univ Cincinnati, Cincinnati, OH 45221 USA

[6] Univ Giessen, Giessen, Germany

[7] Hanyang Univ, Seoul 133791, South Korea

[8] Univ Hawaii, Honolulu, HI 96822 USA

[9] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki, Japan

[10] Indian Inst Technol Guwahati, Gauhati, Assam, India

[11] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China

[12] Inst High Energy Phys, Vienna, Austria

[13] Inst High Energy Phys, Protvino, Russia

[14] Inst Math Sci, Madras 600113, Tamil Nadu, India

[15] Inst Theoret & Expt Phys, Moscow, Russia

[16] J Stefan Inst, Ljubljana, Slovenia

[17] Kanagawa Univ, Yokohama, Kanagawa, Japan

[18] Karlsruher Inst Technol, Inst Expt Kernphys, Karlsruhe, Germany

[19] Korea Inst Sci & Technol Informat, Taejon, South Korea

[20] Korea Univ, Seoul, South Korea

[21] Kyungpook Natl Univ, Taegu 702701, South Korea

[22] Ecole Polytech Fed Lausanne, CH-1015 Lausanne, Switzerland

[23] Univ Ljubljana, Fac Math & Phys, Ljubljana, Slovenia

[24] Univ Maribor, SLO-2000 Maribor, Slovenia

[25] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[26] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia

[27] Nagoya Univ, Nagoya, Aichi 4648601, Japan

[28] Nara Womens Univ, Nara 630, Japan

[29] Natl Cent Univ, Chungli 32054, Taiwan

[30] Natl United Univ, Miaoli, Taiwan

[31] Natl Taiwan Univ, Dept Phys, Taipei, Taiwan

[32] H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland

[33] Nippon Dent Univ, Niigata, Japan

[34] Niigata Univ, Niigata, Japan

[35] Novosibirsk State Univ, Novosibirsk 630090, Russia

[36] Osaka City Univ, Osaka 558, Japan

[37] Panjab Univ, Chandigarh 160014, India

[38] Saga Univ, Saga 840, Japan

[39] Univ Sci & Technol China, Hefei 230026, Peoples R China

[40] Seoul Natl Univ, Seoul, South Korea

[41] Sungkyunkwan Univ, Suwon, South Korea

[42] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia

[43] Tech Univ Munich, D-8046 Garching, Germany

[44] Tohoku Gakuin Univ, Tagajo, Miyagi, Japan

[45] Tohoku Univ, Sendai, Miyagi 980, Japan

[46] Univ Tokyo, Dept Phys, Tokyo 113, Japan

[47] Tokyo Metropolitan Univ, Tokyo 158, Japan

[48] Tokyo Univ Agr & Technol, Tokyo, Japan

[49] Virginia Polytech Inst & State Univ, IPNAS, Blacksburg, VA 24061 USA

[50] Wayne State Univ, Detroit, MI 48202 USA

来源：

PHYSICAL REVIEW D | 2010年 / 82卷 / 05期

基金：

中国国家自然科学基金; 澳大利亚研究理事会; 新加坡国家研究基金会; 日本学术振兴会; 瑞士国家科学基金会;

关键词：

ANNIHILATION; DECAYS;

D O I：

10.1103/PhysRevD.82.051103

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present improved measurements of the branching fractions for the decays B-0 -> D-s(+) pi(-) and (B) over bar (0) -> D-s(+) K- using a data sample of 657 X 10(6) B (B) over bar events collected at the Y(4S) resonance with the Belle detector at the KEKB asymmetric- energy e(+)e(-) collider. The results are B(B-0 -> D-s(+) pi(-)) = (1.99 +/- 0.26 +/- 0.18) X 10(-5) and B((B) over bar (0) -> D-s(+) K-) = (1.91 +/- 0.24 +/- 0.17) X 10(-5), where the uncertainties are statistical and systematic, respectively. Based on these results, we determine the ratio between amplitudes of the doubly Cabibbo suppressed decay B-0 -> D+pi(-) and the Cabibbo favored decay B-0 -> D-pi(+), R-D pi = [1.71 +/- 0.11(stat) +/- 0.09(syst) +/- 0.02(theo)]%, where the last term denotes the theory error.

引用

页数：7

共 33 条

[1] The Belle detector [J].

Abashian, A ;

Abe, K ;

Abe, R ;

Abe, K ;

Adachi, I ;

Ahn, BS ;

Ahn, HS ;

Aihara, H ;

Akatsu, M ;

Akhmetshin, R ;

Alexander, JP ;

Alimonti, G ;

An, Q ;

Aoki, K ;

Asai, M ;

Asano, Y ;

Aso, T ;

Aulchenko, V ;

Bakich, AM ;

Banas, E ;

Behari, S ;

Behera, PK ;

Beiline, D ;

Bondar, A ;

Bozek, A ;

Browder, TE ;

Casey, BCK ;

Chang, P ;

Chang, YH ;

Chao, Y ;

Chen, HS ;

Chen, HF ;

Chen, YQ ;

Cheon, BG ;

Chidzik, S ;

Choi, S ;

Choi, Y ;

Dneprovsky, L ;

Doi, Y ;

Dong, LY ;

Dragic, J ;

Drutskoy, A ;

Eidelman, S ;

Enomoto, R ;

Everton, CW ;

Fang, F ;

Fujii, H ;

Fujimoto, K ;

Fujita, Y ;

Fukunaga, C .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2002, 479 (01) :117-232

[2] Measurement of the inclusive electron spectrum in charmless semileptonic B decays near the kinematic end point and determination of |Vub| -: art. no. 012006 [J].

Aubert, B ;

Barate, R ;

Boutigny, D ;

Couderc, F ;

Karyotakis, Y ;

Lees, JP ;

Poireau, V ;

Tisserand, V ;

Zghiche, A ;

Grauges, E ;

Palano, A ;

Pappagallo, M ;

Pompili, A ;

Chen, JC ;

Qi, ND ;

Rong, G ;

Wang, P ;

Zhu, YS ;

Eigen, G ;

Ofte, I ;

Stugu, B ;

Abrams, GS ;

Battaglia, M ;

Best, D ;

Breon, AB ;

Brown, DN ;

Button-Shafer, J ;

Cahn, RN ;

Charles, E ;

Day, CT ;

Gill, MS ;

Gritsan, AV ;

Groysman, Y ;

Jacobsen, RG ;

Kadel, RW ;

Kadyk, J ;

Kerth, LT ;

Kolomensky, YG ;

Kukartsev, G ;

Lynch, G ;

Mir, LM ;

Oddone, PJ ;

Orimoto, TJ ;

Pripstein, M ;

Roe, NA ;

Ronan, MT ;

Wenzel, WA ;

Barrett, M ;

Ford, KE ;

Harrison, TJ .

PHYSICAL REVIEW D, 2006, 73 (01)

[3] Measurement of the branching fractions of the rare decays B0→Ds(*)+π-, B0→Ds(*)+ρ-, and B0→Ds(*)-K(*)+ [J].

Aubert, B. ;

Bona, M. ;

Karyotakis, Y. ;

Lees, J. P. ;

Poireau, V. ;

Prencipe, E. ;

Prudent, X. ;

Tisserand, V. ;

Tico, J. Garra ;

Grauges, E. ;

Lopez, L. ;

Palano, A. ;

Pappagallo, M. ;

Eigen, G. ;

Stugu, B. ;

Sun, L. ;

Abrams, G. S. ;

Battaglia, M. ;

Brown, D. N. ;

Button-Shafer, J. ;

Cahn, R. N. ;

Jacobsen, R. G. ;

Kadyk, J. A. ;

Kerth, L. T. ;

Kolomensky, Yu. G. ;

Kukartsev, G. ;

Lynch, G. ;

Osipenkov, I. L. ;

Ronan, M. T. ;

Suzuki, A. ;

Tackmann, K. ;

Tanabe, T. ;

Wenzel, W. A. ;

Hawkes, C. M. ;

Soni, N. ;

Watson, A. T. ;

Koch, H. ;

Schroeder, T. ;

Walker, D. ;

Asgeirsson, D. J. ;

Cuhadar-Donszelmann, T. ;

Fulsom, B. G. ;

Hearty, C. ;

Mattison, T. S. ;

McKenna, J. A. ;

Barrett, M. ;

Khan, A. ;

Saleem, M. ;

Teodorescu, L. ;

Blinov, V. E. .

PHYSICAL REVIEW D, 2008, 78 (03)

[4] Measurement of time-dependent CP asymmetry in B0→c(c)over barK(*)0 decays [J].

Aubert, B. ;

Karyotakis, Y. ;

Lees, J. P. ;

Poireau, V. ;

Prencipe, E. ;

Prudent, X. ;

Tisserand, V. ;

Tico, J. Garra ;

Grauges, E. ;

Lopez, L. ;

Palano, A. ;

Pappagallo, M. ;

Eigen, G. ;

Stugu, B. ;

Sun, L. ;

Battaglia, M. ;

Brown, D. N. ;

Kerth, L. T. ;

Kolomensky, Yu. G. ;

Lynch, G. ;

Osipenkov, I. L. ;

Tackmann, K. ;

Tanabe, T. ;

Hawkes, C. M. ;

Soni, N. ;

Watson, A. T. ;

Koch, H. ;

Schroeder, T. ;

Asgeirsson, D. J. ;

Fulsom, B. G. ;

Hearty, C. ;

Mattison, T. S. ;

McKenna, J. A. ;

Barrett, M. ;

Khan, A. ;

Randle-Conde, A. ;

Blinov, V. E. ;

Bukin, A. D. ;

Buzykaev, A. R. ;

Druzhinin, V. P. ;

Golubev, V. B. ;

Onuchin, A. P. ;

Serednyakov, S. I. ;

Skovpen, Yu. I. ;

Solodov, E. P. ;

Todyshev, K. Yu. ;

Bondioli, M. ;

Curry, S. ;

Eschrich, I. ;

Kirkby, D. .

PHYSICAL REVIEW D, 2009, 79 (07)

[5]

BAAK M, 2007, SLACR858

[6] Annihilation, rescattering, and CP asymmetries in B meson decays [J].

Blok, B ;

Gronau, M ;

Rosner, JL .

PHYSICAL REVIEW LETTERS, 1997, 78 (21) :3999-4002

[7]

Brun R., 1987, GEANT3

[8] UNITARY SYMMETRY AND LEPTONIC DECAYS [J].

CABIBBO, N .

PHYSICAL REVIEW LETTERS, 1963, 10 (12) :531-&

[9] Observation of time-dependent CP violation in B0→η′K0 decays and improved measurements of CP asymmetries in B0→φK0, KS0KS0KS0 and B0→J/ψK0 decays [J].

Chen, K. -F. ;

Hara, K. ;

Hazumi, M. ;

Higuchi, T. ;

Miyabayashi, K. ;

Nakahama, Y. ;

Sumisawa, K. ;

Tajima, O. ;

Ushiroda, Y. ;

Yusa, Y. ;

Abe, K. ;

Adachi, I. ;

Aihara, H. ;

Anipko, D. ;

Arinstein, K. ;

Aulchenko, V. ;

Aushev, T. ;

Aziz, T. ;

Bakich, A. M. ;

Balagura, V. ;

Banerjee, S. ;

Barberio, E. ;

Barbero, M. ;

Bay, A. ;

Belous, K. ;

Bitenc, U. ;

Bizjak, I. ;

Blyth, S. ;

Bondar, A. ;

Bozek, A. ;

Bracko, M. ;

Brodzicka, J. ;

Browder, T. E. ;

Chang, P. ;

Chao, Y. ;

Chen, A. ;

Chen, W. T. ;

Cheon, B. G. ;

Chistov, R. ;

Choi, S. -K. ;

Choi, Y. ;

Choi, Y. K. ;

Chuvikov, A. ;

Cole, S. ;

Dalseno, J. ;

Danilov, M. ;

Dash, M. ;

Dragic, J. ;

Drutskoy, A. .

PHYSICAL REVIEW LETTERS, 2007, 98 (03)

[10] Time-dependent CP-violating asymmetries in b→s(q)over-barq transitions -: art. no. 012004 [J].

Chen, KF ;

Fang, F ;

Garmash, A ;

Hara, K ;

Hazumi, M ;

Higuchi, T ;

Kakuno, H ;

Kusaka, A ;

Shibata, T ;

Tajima, O ;

Trabelsi, K ;

Ziegler, T ;

Abe, K ;

Aihara, H ;

Asano, Y ;

Aushev, T ;

Bahinipati, S ;

Bakich, AM ;

Ban, Y ;

Barberio, E ;

Barbero, M ;

Bay, A ;

Bedny, I ;

Bitenc, U ;

Bizjak, I ;

Blyth, S ;

Bondar, A ;

Bozek, A ;

Bracko, M ;

Brodzicka, J ;

Browder, TE ;

Chang, P ;

Chao, Y ;

Chen, A ;

Chen, WT ;

Cheon, BG ;

Chistov, R ;

Choi, SK ;

Choi, Y ;

Choi, YK ;

Chuvikov, A ;

Dalseno, J ;

Danilov, M ;

Dash, M ;

Dong, LY ;

Drutskoy, A ;

Eidelman, S ;

Enari, Y ;

Fratina, S .

PHYSICAL REVIEW D, 2005, 72 (01) :1-15

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