Search for the rare decays B+ → μ+μ-K+, B0 → μ+μ- K*(892)0, and Bs0 → μ+μ-φ at CDF

被引：22

作者：

Aaltonen, T. ^{[1
,65
]}

Adelman, J. ^{[15
]}

Akimoto, T. ^{[58
]}

Albrow, M. G. ^{[19
]}

Alvarez Gonzalez, B. ^{[13
]}

Amerio, S. ^{[41
,42
]}

Amidei, D. ^{[34
]}

Anastassov, A. ^{[37
]}

Annovi, A. ^{[21
]}

Antos, J. ^{[16
,66
]}

Apollinari, G. ^{[19
]}

Apresyan, A. ^{[50
]}

Arisawa, T. ^{[60
]}

Artikov, A. ^{[17
]}

Ashmanskas, W. ^{[19
]}

Attal, A. ^{[4
]}

Aurisano, A. ^{[5
,75
]}

Azfar, F. ^{[4
,74
]}

Azzurri, P. ^{[48
]}

Badgett, W. ^{[19
]}

Barbaro-Galtieri, A. ^{[29
]}

Barnes, V. E. ^{[50
]}

Barnett, B. A. ^{[26
]}

Bartsch, V. ^{[3
,71
]}

Bauer, G. ^{[32
]}

Beauchemin, P.-H. ^{[33
]}

Bedeschi, F. ^{[45
]}

Bednar, P. ^{[16
,66
,72
]}

Beecher, D. ^{[3
,71
]}

Behari, S. ^{[26
]}

Bellettini, G. ^{[46
]}

Bellinger, J. ^{[62
]}

Benjamin, D. ^{[18
]}

Beretvas, A. ^{[19
]}

Beringer, J. ^{[29
]}

Bhatti, A. ^{[52
]}

Binkley, M. ^{[19
]}

Bisello, D. ^{[41
,42
]}

Bizjak, I. ^{[3
,71
]}

Blair, R. E. ^{[2
]}

Blocker, C. ^{[8
]}

Blumenfeld, B. ^{[26
]}

Bocci, A. ^{[18
]}

Bodek, A. ^{[51
]}

Boisvert, V. ^{[51
]}

Bolla, G. ^{[50
]}

Bortoletto, D. ^{[50
]}

Boudreau, J. ^{[49
]}

Boveia, A. ^{[12
]}

Brau, B. ^{[12
]}

机构：

[1] Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland

[2] Argonne Natl Lab, Argonne, IL 60439 USA

[3] Univ Athens, Athens 15771, Greece

[4] Univ Autonoma Barcelona, Inst Fis Altes Energies, E-08193 Barcelona, Spain

[5] Baylor Univ, Waco, TX 76798 USA

[6] Ist Nazl Fis Nucl, I-40127 Bologna, Italy

[7] Univ Bologna, I-40127 Bologna, Italy

[8] Brandeis Univ, Waltham, MA 02254 USA

[9] Univ Calif Davis, Davis, CA 95616 USA

[10] Univ Calif Los Angeles, Los Angeles, CA 90024 USA

[11] Univ Calif San Diego, San Diego, CA 92093 USA

[12] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA

[13] Univ Cantabria, CSIC, Inst Fis Cantabria, E-39005 Santander, Spain

[14] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

[15] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[16] Comenius Univ, Bratislava 84248, Slovakia

[17] Joint Inst Nucl Res, RU-141980 Dubna, Russia

[18] Duke Univ, Durham, NC 27708 USA

[19] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[20] Univ Florida, Gainesville, FL 32611 USA

[21] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[22] Univ Geneva, CH-1211 Geneva 4, Switzerland

[23] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland

[24] Harvard Univ, Cambridge, MA 02138 USA

[25] Univ Illinois, Urbana, IL 61801 USA

[26] Johns Hopkins Univ, Baltimore, MD 21218 USA

[27] Univ Karlsruhe, Inst Expt Kernphys, D-76128 Karlsruhe, Germany

[28] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu 702701, South Korea

[29] Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[30] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England

[31] Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain

[32] MIT, Cambridge, MA 02139 USA

[33] McGill Univ, Inst Particle Phys, Montreal, PQ H3A 2T8, Canada

[34] Univ Michigan, Ann Arbor, MI 48109 USA

[35] Inst Theoret & Expt Phys, Moscow 117259, Russia

[36] Univ New Mexico, Albuquerque, NM 87131 USA

[37] Northwestern Univ, Evanston, IL 60208 USA

[38] Ohio State Univ, Columbus, OH 43210 USA

[39] Okayama Univ, Okayama 7008530, Japan

[40] Osaka City Univ, Osaka 588, Japan

[41] Ist Nazl Fis Nucl, Sez Padova Trento, I-35131 Padua, Italy

[42] Univ Padua, I-35131 Padua, Italy

[43] Univ Paris 06, CNRS, IN2P3, LPNHE,UMR7585, F-75252 Paris, France

[44] Univ Penn, Philadelphia, PA 19104 USA

[45] Ist Nazl Fis Nucl, I-56127 Pisa, Italy

[46] Univ Pisa, I-56127 Pisa, Italy

[47] Univ Siena, I-56127 Pisa, Italy

[48] Scuola Normale Super Pisa, I-56127 Pisa, Italy

[49] Univ Pittsburgh, Pittsburgh, PA 15260 USA

[50] Purdue Univ, W Lafayette, IN 47907 USA

来源：

PHYSICAL REVIEW D | 2009年 / 79卷 / 01期

基金：

俄罗斯基础研究基金会; 英国科学技术设施理事会; 加拿大自然科学与工程研究理事会; 瑞士国家科学基金会; 芬兰科学院; 美国国家科学基金会;

关键词：

TRANSITIONS;

D O I：

10.1103/PhysRevD.79.011104

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We search for b --> s mu(+)mu(-) transitions in B meson (B+, B-0, or B-s(0)) decays with 924 pb(-1) of p (p) over bar collisions at root s = 1.96 TeV collected with the CDF II detector at the Fermilab Tevatron. We find excesses with significances of 4.5, 2.9, and 2.4 standard deviations in the B+ --> mu(+)mu K--(+), B-0 --> mu(+)mu(-) K*(892)(0), and B-s(0) --> mu(+)mu(-)phi decay modes, respectively. Using B --> J/psi h (h = K+, K*(892)(0), phi) decays as normalization channels, we report branching fractions for the previously observed B+ and B-0 decays, B(B+ --> mu(+)mu K--(+)) = (0.59 +/- 0.15 +/- 0.04) x 10(-6), and B(B-0 --> mu(+)mu K-*(892)(0)) = (0.81 +/- 0.30 +/- 0.10) x 10(-6), where the first uncertainty is statistical, and the second is systematic. We set an upper limit on the relative branching fraction B(B-s(0) --> mu(+)mu(-)phi)/B(B-s(0) --> J/psi phi) < 2.6(2.3) x 10(-3) at the 95(90)% confidence level, which is the most stringent to date.

引用

页数：9

共 50 条

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