Searches for B0 decays to ηK0, ηη, η′η′, ηφ, and η′φ

被引：10

作者：

Aubert, B. ^{[1
]}

Bona, M.

Boutigny, D.

Couderc, F.

Karyotakis, Y.

Lees, J. P.

Poireau, V.

Tisserand, V.

Zghiche, A.

Grauges, E.

Palano, A.

Chen, J. C.

Qi, N. D.

Rong, G.

Wang, P.

Zhu, Y. S.

Eigen, G.

Ofte, I.

Stugu, B.

Abrams, G. S.

Battaglia, M.

Brown, D. N.

Button-Shafer, J.

Cahn, R. N.

Charles, E.

Gill, M. S.

Groysman, Y.

Jacobsen, R. G.

Kadyk, J. A.

Kerth, L. T.

Kolomensky, Yu. G.

Kukartsev, G.

Lynch, G.

Mir, L. M.

Orimoto, T. J.

Pripstein, M.

Roe, N. A.

Ronan, M. T.

Wenzel, W. A.

Sanchez, P. del Amo

Barrett, M.

Ford, K. E.

Hart, A. J.

Harrison, T. J.

Hawkes, C. M.

Watson, A. T.

Held, T.

Koch, H.

Lewandowski, B.

Pelizaeus, M.

机构：

[1] Lab Annecy Le Vieux Phys Particules, CNRS, IN2P3, F-74941 Annecy Le Vieux, France

[2] Univ Barcelona, Fac Fis, Dept Estructura & Constituents Mat, E-08028 Barcelona, Spain

[3] Univ Bari, Dipartmento 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 Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

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

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

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

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

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

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

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

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

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

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

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

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

[20] CALTECH, Pasadena, CA 91125 USA

[21] Univ Cincinnati, Cincinnati, OH 45221 USA

[22] Univ Colorado, Boulder, CO 80309 USA

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

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

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

[26] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France

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

[28] Univ Ferrara, Dipartmento Fis, I-44100 Ferrara, Italy

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

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

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

[32] Ist Nazl Fis Nucl, I-16146 Genoa, Italy

[33] Harvard Univ, Cambridge, MA 02138 USA

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

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

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

[37] Iowa State Univ Sci & Technol, Ames, IA 50011 USA

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

[39] Univ Karlsruhe, Inst Expt Kernphys, D-76021 Karlsruhe, Germany

[40] CNRS, IN2P3, Lab Accelerateur Lineaire, F-91898 Orsay, France

[41] Univ Paris 11, Ctr Sci, F-91898 Orsay, France

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

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

[44] Queen Mary Univ London, London E1 4NS, England

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

[46] Univ Louisville, Louisville, KY 40292 USA

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

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

[49] Univ Massachusetts, Amherst, MA 01003 USA

[50] MIT, Nucl Sci Lab, Cambridge, MA 02139 USA

来源：

PHYSICAL REVIEW D | 2006年 / 74卷 / 05期

基金：

英国科学技术设施理事会;

关键词：

D O I：

10.1103/PhysRevD.74.051106

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We search for B-0 meson decays into two-body combinations of K-0, eta, eta('), and phi mesons in 324x10(6) B (B) over bar pairs collected with the BABAR detector at the PEP-II asymmetric-energy e(+)e(-) collider at SLAC. We measure the following branching fractions (upper limits at 90% confidence level) in units of 10(-6): B(B-0 ->eta K-0)=1.8(-0.6)(+0.7)+/- 0.1(< 2.9), B(B-0 ->eta eta)=1.1(-0.4)(+0.5)+/- 0.1(< 1.8), B(B-0 ->eta phi)=0.1 +/- 0.2 +/- 0.1(< 0.6), B(B-0 ->eta(')phi)=0.2(-0.3)(+0.4)+/- 0.1(< 1.0), and B(B-0 ->eta(')eta('))=1.0(-0.6)(+0.8)+/- 0.1(< 2.4), where the first error is statistical and the second systematic.

引用

页数：7

共 50 条

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