Radiative decay of the ψ(2S) into two pseudoscalar mesons -: art. no. 032004

被引：16

作者：

Bai, JZ ^{[1
]}

Ban, Y

Bian, JG

Blum, I

Chen, AD

Chen, GP

Chen, HF

Chen, HS

Chen, J

Chen, JC

Chen, XD

Chen, Y

Chen, YB

Cheng, BS

Choi, JB

Cui, XZ

Ding, HL

Dong, LY

Du, ZZ

Dunwoodie, W

Gao, CS

Gao, ML

Gao, SQ

Gratton, P

Gu, JH

Gu, SD

Gu, WX

Guo, YN

Guo, ZJ

Han, SW

Han, Y

Harris, FA

He, J

He, JT

He, KL

He, M

Heng, YK

Hitlin, DG

Hu, GY

Hu, HM

Hu, JL

Hu, QH

Hu, T

Huang, GS

Huang, XP

Huang, YZ

Izen, JM

Jiang, CH

Jin, Y

Jones, BD

机构：

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

[2] CALTECH, Pasadena, CA 91125 USA

[3] China Ctr Adv Sci & Technol, Beijing 100087, Peoples R China

[4] Chonbuk Natl Univ, Kwangju, South Korea

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

[6] Hangzhou Univ, Hangzhou 310028, Peoples R China

[7] Henan Normal Univ, Xinxiang 453002, Peoples R China

[8] Huazhong Normal Univ, Wuhan 430079, Peoples R China

[9] Korea Univ, Seoul 136701, South Korea

[10] Nankai Univ, Tianjin 300071, Peoples R China

[11] Peking Univ, Beijing 100871, Peoples R China

[12] Shandong Univ, Jinan 250100, Peoples R China

[13] Shanghai Jiao Tong Univ, Shanghai 200030, Peoples R China

[14] Seoul Natl Univ, Seoul 151, South Korea

[15] Stanford Linear Accelerator Ctr, Stanford, CA 94309 USA

[16] Univ Hawaii, Honolulu, HI 96822 USA

[17] Univ Calif Irvine, Irvine, CA 92717 USA

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

[19] Univ Texas, Richardson, TX 75083 USA

[20] Wuhan Univ, Wuhan 430072, Peoples R China

来源：

PHYSICAL REVIEW D | 2003年 / 67卷 / 03期

关键词：

D O I：

10.1103/PhysRevD.67.032004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Radiative decays of the radially excited charmonium resonance, psi(2S), into pipi, K (K) over bar and etaeta final states have been measured in a sample of 4.02x10(6) psi(2S) events collected by the BES Collaboration. The branching ratios B(psi(2S)-->gammaf(2)(1270))=(2.12+/-0.19+/-0.32)x10(-4) and B(psi(2S)-->gammaf(0)(1710))xB(f(0)(1710)--> K+K-)=(3.02+/-0.45+/-0.66)x10(-5) are obtained. When compared to the corresponding radiative J/psi decays, the observed psi(2S) radiative decay rates into gammaf(2)(1270) and gammaf(0)(1710) are consistent with the prediction of the "12%" rule.

引用

页数：7

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