Search for the radiative decay B0→φγ -: art. no. 091103

被引：8

作者：

Aubert, B ^{[1
]}

Barate, R

Boutigny, D

Couderc, F

Karyotakis, Y

Lees, JP

Poireau, V

Tisserand, V

Zghiche, A

Grauges-Pous, E

Palano, A

Pompili, A

Chen, JC

Qi, ND

Rong, G

Wang, P

Zhu, YS

Eigen, G

Ofte, I

Stugu, B

Abrams, GS

Borgland, AW

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

Hart, AJ

Hawkes, CM

机构：

[1] Phys Particules Lab, F-74941 Annecy Le Vieux, France

[2] Univ Autonoma Barcelona, E-08193 Barcelona, Spain

[3] Univ Bari, Dipartimento Fis, I-70126 Bari, Italy

[4] Ist Nazl Fis Nucl, I-70126 Bari, Italy

[5] Inst High Energy Phys, Beijing 100039, Peoples R China

[6] Univ Bergen, Inst Phys, N-5007 Bergen, Norway

[7] Univ Bergen, Inst Phys, N-5007 Bergen, Norway

[8] Lawrence Berkeley Lab, Berkeley, CA USA

[9] Univ Calif Berkeley, Berkeley, CA 94720 USA

[10] Univ Birmingham, Birmingham B15 2TT, W Midlands, England

[11] Ruhr Univ Bochum, Inst Expt Phys 1, D-44780 Bochum, Germany

[12] Univ Bristol, Bristol BS8 1TL, Avon, England

[13] Univ British Columbia, Vancouver, BC V6T 1Z1, Canada

[14] Brunel Univ, Uxbridge UB8 3PH, Middx, England

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

[16] Univ Calif Irvine, Irvine, CA 92697 USA

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

[18] Univ Calif Riverside, Riverside, CA 92521 USA

[19] Univ Calif San Diego, La Jolla, CA 92093 USA

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

[21] CALTECH, Pasadena, CA 91125 USA

[22] Univ Calif Santa Cruz, Inst Particle Phys, Santa Cruz, CA 95064 USA

[23] Univ Cincinnati, Cincinnati, OH 45215 USA

[24] Univ Colorado, Boulder, CO 80309 USA

[25] Colorado State Univ, Ft Collins, CO 80523 USA

[26] Univ Dortmund, Inst Phys, D-44221 Dortmund, Germany

[27] Tech Univ Dresden, Inst Kern & Teilchenphys, D-01062 Dresden, Germany

[28] LLR, Ecole Polytech, F-91128 Palaiseau, France

[29] Univ Edinburgh, Edinburgh EH9 3JZ, Midlothian, Scotland

[30] Univ Ferrara, Dipartimento Fis, I-44100 Ferrara, Italy

[31] Ist Nazl Fis Nucl, I-44100 Ferrara, Italy

[32] Florida A&M Univ, Tallahassee, FL 32307 USA

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

[34] Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy

[35] Harvard Univ, Cambridge, MA 02138 USA

[36] Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany

[37] Univ London Imperial Coll Sci Technol & Med, London SW7 2AZ, England

[38] Univ Iowa, Iowa City, IA 52242 USA

[39] Iowa State Univ, Ames, IA 50011 USA

[40] Univ Perugia, Dipartimento Fis, I-06100 Perugia, Italy

[41] Ist Nazl Fis Nucl, I-06100 Perugia, Italy

[42] Lab Accelerateur Lineaire, F-91898 Orsay, France

[43] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[44] Univ Liverpool, Liverpool L69 72E, Merseyside, England

[45] Univ London, London E1 4NS, England

[46] Univ London Royal Holloway & Bedford New Coll, Egham TW20 0EX, Surrey, England

[47] Univ Louisville, Louisville, KY 40292 USA

[48] Univ Manchester, Manchester M13 9PL, Lancs, England

[49] Univ Maryland, College Pk, MD 20742 USA

[50] Univ Massachusetts, Amherst, MA 01003 USA

来源：

PHYSICAL REVIEW D | 2005年 / 72卷 / 09期

关键词：

D O I：

10.1103/PhysRevD.72.091103

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We perform a search for the exclusive radiative decay B-0->phi gamma, which is dominated by (b) over bard annihilation, in a sample of 124x10(6) B (B) over bar events collected with the BABAR detector at the PEP-II asymmetric-energy e(+)e(-) storage ring at SLAC. No significant signal is seen. We set an upper limit on the branching fraction of B(B-0->phi gamma)< 8.5x10(-7) at the 90% confidence level.

引用

页数：8

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