Open Access
,
volume 710
,
issue 4-5
,
pages 594-599
Precision measurement of the branching fractions of J / ψ → π + π − π 0 ψ ′ → π + π − π 0
M. ABLIKIM
,
Lei Li
,
C Y Liu
,
Fang Liu
,
H Liu
,
Yong Liu
,
Qi Wang
,
Weinan Wu
,
Z Wu
,
Y Zhang
,
Y Xu
,
M. N. ACHASOV
,
D. Alberto
,
D. J. Ambrose
,
F. F. An
,
Q. An
,
Z. H. An
,
J. Z. BAI
,
R. B. F. Baldini Ferroli
,
Y. BAN
,
J. Becker
,
N. Berger
,
M. B. Bertani
,
J. M. Bian
,
E. Boger
,
O. Bondarenko
,
I. Boyko
,
R. A. Briere
,
V. Bytev
,
X Cai
,
A. C. Calcaterra
,
G. F. Cao
,
J. F. Chang
,
G. Chelkov
,
G. Chen
,
H. S. Chen
,
J. C. Chen
,
M L Chen
,
S J Chen
,
Y. Chen
,
Y.-B. Chen
,
H.-P. Cheng
,
Y. P. CHU
,
D Cronin-Hennessy
,
H. L. Dai
,
J. P. Dai
,
D. Dedovich
,
Z. Y. DENG
,
I. Denysenko
,
M. Destefanis
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W. M. Ding
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Y. Ding
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L. Y. Dong
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M. Y. Dong
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S. X. DU
,
J. Fang
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S. S. Fang
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C. Q. Feng
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C. D. FU
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J. L. Fu
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Y. Gao
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C. Geng
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K. Goetzen
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W. X. Gong
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M. GRECO
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M. H. Gu
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Y. T. Gu
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Y.H. Guan
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A. Q. Guo
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L. B. GUO
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Y. L. Han
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X. Q. Hao
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F. A. HARRIS
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K. L. HE
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Y. K. HENG
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J. F. Hu
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B. Huang
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G. M. Huang
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J.‐S. Huang
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Y. P. Huang
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T. Hussain
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C. S. Ji
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L. K. Jia
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L.L. Jiang
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X. S. Jiang
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J. B. JIAO
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Z Jiao
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D. P. JIN
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S. Jin
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F. F. Jing
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N. KALANTAR-NAYESTANAKI
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M. Kavatsyuk
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W. Kuehn
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W. Lai
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J. S. LANGE
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J. K. C. Leung
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C. H. Li
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Cheng Li
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Cui Li
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D. M. Li
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G. Li
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H. B. Li
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J.-C. Li
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K Li
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Lei Li
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N. B. Li
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Q. J. LI
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S.‐L. Li
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W. D. LI
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W. G. LI
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X. L. Li
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X. N. LI
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X. Q. Li
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X. R. Li
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Z. B. LI
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H. Liang
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Y T Liang
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G. R. Liao
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B. J. LIU
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C. L. Liu
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C. X. LIU
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C. Y. Liu
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F. H. Liu
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Fang Liu
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Feng Liu
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H. Liu
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H. B. LIU
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H. M. LIU
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H.-W. Liu
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J.-P. LIU
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J. G. MESSCHENDORP
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J. W. Park
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D. H. Wei
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M. W. Werner
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U. WIEDNER
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L.H. Wu
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L. G. Xia
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B. Y. ZHANG
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C. C. Zhang
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D. H. ZHANG
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H. H. ZHANG
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H. Y. Zhang
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J. Zhang
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J. Q. Zhang
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J. W. Zhang
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J Y Zhang
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J. Z. Zhang
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L. Zhang
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S H Zhang
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T. R. Zhang
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X J. Zhang
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X. Y. Zhang
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Y. Zhang
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Y. H. Zhang
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Y. S. Zhang
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Z. P. Zhang
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Z. Y. Zhang
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G. Zhao
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H. S. Zhao
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Jingwei Zhao
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Lei Zhao
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Ling Zhao
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M. G. ZHAO
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Q. Zhao
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S.J. Zhao
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T. C. Zhao
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X. H. Zhao
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Y. B. Zhao
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Z. G. ZHAO
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B. Zheng
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Y. H. Zheng
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Z. P. ZHENG
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B. ZHONG
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J. Zhong
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X.-R. ZHOU
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C. Zhu
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K. Zhu
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K. J. Zhu
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S.-H. Zhu
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X L Zhu
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X. W. ZHU
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Y. S. Zhu
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Publication type: Journal Article
Publication date: 2012-04-01
scimago Q1
wos Q1
SJR: 1.383
CiteScore: 8.3
Impact factor: 4.5
ISSN: 03702693, 18732445
Nuclear and High Energy Physics
Abstract
We study the decays of the J / ψ and ψ ′ mesons to π + π − π 0 using data samples at both resonances collected with the BES III detector in 2009. We measure the corresponding branching fractions with unprecedented precision and provide mass spectra and Dalitz plots. The branching fraction for J / ψ → π + π − π 0 is determined to be ( 2.137 ± 0.004 ( stat. ) − 0.056 + 0.058 ( syst. ) − 0.026 + 0.027 ( norm. ) ) × 10 − 2 , and the branching fraction for ψ ′ → π + π − π 0 is measured as ( 2.14 ± 0.03 ( stat. ) − 0.07 + 0.08 ( syst. ) − 0.08 + 0.09 ( norm. ) ) × 10 − 4 . The J / ψ decay is found to be dominated by an intermediate ρ ( 770 ) state, whereas the ψ ′ decay is dominated by di-pion masses around 2.2 GeV/ c 2 , leading to strikingly different Dalitz distributions.
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ABLIKIM M. et al. Precision measurement of the branching fractions of J/ψ→π+π−π0 and ψ′→π+π−π0 // Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2012. Vol. 710. No. 4-5. pp. 594-599.
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ABLIKIM M. et al. Precision measurement of the branching fractions of J/ψ→π+π−π0 and ψ′→π+π−π0 // Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2012. Vol. 710. No. 4-5. pp. 594-599.
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@article{2012_ABLIKIM,
author = {M. ABLIKIM and Shaosheng Jin and Lei Li and C Y Liu and Fang Liu and H Liu and Yong Liu and Qi Wang and Zilong Wang and Weinan Wu and Z Wu and Y Zhang and Y Xu and M. N. ACHASOV and D. Alberto and D. J. Ambrose and F. F. An and Q. An and Z. H. An and J. Z. BAI and R. B. F. Baldini Ferroli and Y. BAN and J. Becker and N. Berger and M. B. Bertani and J. M. Bian and E. Boger and O. Bondarenko and I. Boyko and R. A. Briere and V. Bytev and X Cai and A. C. Calcaterra and G. F. Cao and J. F. Chang and G. Chelkov and G. Chen and H. S. Chen and J. C. Chen and M L Chen and S J Chen and Y. Chen and Y.-B. Chen and H.-P. Cheng and Y. P. CHU and D Cronin-Hennessy and H. L. Dai and J. P. Dai and D. Dedovich and Z. Y. DENG and others},
title = {Precision measurement of the branching fractions of J/ψ→π+π−π0 and ψ′→π+π−π0},
journal = {Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics},
year = {2012},
volume = {710},
publisher = {Elsevier},
month = {apr},
url = {https://linkinghub.elsevier.com/retrieve/pii/S0370269312003103},
number = {4-5},
pages = {594--599},
doi = {10.1016/j.physletb.2012.03.036}
}
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ABLIKIM, M., et al. “Precision measurement of the branching fractions of J/ψ→π+π−π0 and ψ′→π+π−π0.” Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 710, no. 4-5, Apr. 2012, pp. 594-599. https://linkinghub.elsevier.com/retrieve/pii/S0370269312003103.
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