Search for B0→π0 π0 decay -: art. no. 031103

被引：16

作者：

Asner, DM ^{[1
]}

Eppich, A

Hill, TS

Morrison, RJ

Briere, RA

Chen, GP

Ferguson, T

Vogel, H

Gritsan, A

Alexander, JP

Baker, R

Bebek, C

Berger, BE

Berkelman, K

Blanc, F

Boisvert, V

Cassel, DG

Drell, PS

Duboscq, JE

Ecklund, KM

Ehrlich, R

Gaidarev, P

Gibbons, L

Gittelman, B

Gray, SW

Hartill, DL

Heltsley, BK

Hopman, PI

Hsu, L

Jones, CD

Kandasvamy, J

Kreinick, DL

Lohner, M

Magerkurth, A

Meyer, TO

Mistry, NB

Nordberg, E

Palmer, M

Patterson, JR

Peterson, D

Riley, D

Romano, A

Thayer, JG

Urner, D

Valant-Spaight, B

Viehhauser, G

Warburton, A

Avery, P

Prescott, C

Rubiera, AI

机构：

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

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

[3] Univ Colorado, Boulder, CO 80309 USA

[4] Cornell Univ, Ithaca, NY 14853 USA

[5] Univ Florida, Gainesville, FL 32611 USA

[6] Harvard Univ, Cambridge, MA 02138 USA

[7] Univ Illinois, Urbana, IL 61801 USA

[8] Carleton Univ, Ottawa, ON K1S 5B6, Canada

[9] Inst Particle Phys, Ottawa, ON, Canada

[10] McGill Univ, Montreal, PQ H3A 2T8, Canada

[11] Ithaca Coll, Ithaca, NY 14850 USA

[12] Univ Kansas, Lawrence, KS 66045 USA

[13] Univ Minnesota, Minneapolis, MN 55455 USA

[14] SUNY Albany, Albany, NY 12222 USA

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

[16] Univ Oklahoma, Norman, OK 73019 USA

[17] Univ Pittsburgh, Pittsburgh, PA 15260 USA

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

[19] Univ Rochester, Rochester, NY 14627 USA

[20] So Methodist Univ, Dallas, TX 75275 USA

[21] Syracuse Univ, Syracuse, NY 13244 USA

[22] Univ Texas, Austin, TX 78712 USA

[23] Univ Texas Pan Amer, Edinburg, TX 78539 USA

[24] Vanderbilt Univ, Nashville, TN 37235 USA

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

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

[27] CALTECH, Pasadena, CA 91125 USA

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

来源：

PHYSICAL REVIEW D | 2002年 / 65卷 / 03期

关键词：

D O I：

10.1103/PhysRevD.65.031103

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have searched for the charmless hadronic decay of B-0 mesons into two neutral pions. Using 9.13 fb(-1) taken at the Y(4S) with the CLEO detector, we obtain an improved upper limit for the branching fraction B(B-0-->pi(0)pi(0)) < 5.7 x 10(-6) at the 90% confidence level.

引用

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