Measurement of the Branching Fraction of J/psi --> pi+ pi- pi0

Bai, JZ; Ban, Y; Bian, JG; Cai, X; Chang, JF; Chen, HF; Chen, HS; Chen, HX; Chen, J; Chen, J; Chen, JC; Chen, ML; Chen, YB; Chi, SP; Chu, YP; Cui, XZ; Dai, HL; Dai, YS; Deng, ZY; Dong, LY; Du, SX; Du, ZZ; Fang, J; Fang, SS; Fu, CD; Fu, HY; Fu, LP; Gao, CS; Gao, ML; Gao, YN; Gong, MY; Gong, WX; Gu, SD; Guo, YN; Guo, YQ; Guo, ZJ; Han, SW; Harris, FA; He, J; He, KL; He, M; He, X; Heng, YK; Hu, HM; Hu, T; Huang, GS; Huang, L; Huang, XP; Ji, XB; Jia, QY; Jiang, CH; Jiang, XS; Jin, DP; Jin, S; Jin, Y; Lai, YF; Li, F; Li, G; Li, HH; Li, J; Li, JC; Li, QJ; Li, RB; Li, RY; Li, S

research

Measurement of the Branching Fraction of J/psi --> pi+ pi- pi0

Authors: JZ Bai
Y Ban
JG Bian
X Cai
JF Chang
HF Chen
HS Chen
HX Chen
J Chen
J Chen
JC Chen
ML Chen
YB Chen
SP Chi
YP Chu
XZ Cui
HL Dai
YS Dai
ZY Deng
LY Dong
SX Du
ZZ Du
J Fang
SS Fang
CD Fu
HY Fu
LP Fu
CS Gao
ML Gao
YN Gao
MY Gong
WX Gong
SD Gu
YN Guo
YQ Guo
ZJ Guo
SW Han
FA Harris
J He
KL He
M He
X He
YK Heng
HM Hu
T Hu
GS Huang
L Huang
XP Huang
XB Ji
QY Jia
CH Jiang
XS Jiang
DP Jin
S Jin
Y Jin
YF Lai
F Li
G Li
HH Li
J Li
JC Li
QJ Li
RB Li
RY Li
S Li
Publication date: 1 January 2004
Publisher: 'American Physical Society (APS)'
Doi

Abstract

Using 58 million J/psi and 14 million psi' decays obtained by the BESII experiment, the branching fraction of J/psi --> pi+ pi- pi0 is determined. The result is (2.10+/-0.12)X10^{-2}, which is significantly higher than previous measurements.Comment: 9 pages, 8 figures, RevTex

Similar works

Full text

Available Versions

MUCC (Crossref)

Last time updated on 27/01/2021

Institutional Repository of Peking University

oai:localhost:20.500.11897/400...

Last time updated on 20/04/2018