Branching fraction measurements ofχ c 0 χ c 2 π 0 π 0 η η
M. ABLIKIM
,
M. N. ACHASOV
,
L. An
,
Q. An
,
Z. H. An
,
J. Z. BAI
,
Y. BAN
,
N. Berger
,
J. M. Bian
,
I. Boyko
,
R. A. Briere
,
V. Bytev
,
X Cai
,
G. F. Cao
,
X.-X. Cao
,
J. F. Chang
,
G. Chelkov
,
G. Chen
,
H. S. Chen
,
J. C. Chen
,
L. P. Chen
,
M L Chen
,
P. chen
,
S J Chen
,
Y.-B. Chen
,
Y. P. CHU
,
D Cronin-Hennessy
,
H. L. Dai
,
J. P. Dai
,
D. Dedovich
,
Z. Y. DENG
,
I. Denysenko
,
M. Destefanis
,
Y. Ding
,
L. Y. Dong
,
M. Y. Dong
,
S. X. DU
,
M. Y. Duan
,
J. Fang
,
C. Q. Feng
,
C. D. FU
,
J. L. Fu
,
Y. Gao
,
C. Geng
,
K. Goetzen
,
W. X. Gong
,
M. GRECO
,
S. Grishin
,
Y. T. Gu
,
A. Q. Guo
,
L. B. GUO
,
Y. P. Guo
,
S.Q. Han
,
F. A. HARRIS
,
K. L. HE
,
M. He
,
Z.Y. He
,
Y. K. HENG
,
Z. L. Hou
,
H. M. HU
,
J. F. Hu
,
T. Hu
,
X. W. Hu
,
B. Huang
,
G. M. Huang
,
J.‐S. Huang
,
X.-T. Huang
,
Y. P. Huang
,
C. S. Ji
,
Q. Ji
,
X. B. Ji
,
X. L. Ji
,
L. K. Jia
,
L.L. Jiang
,
X. S. Jiang
,
J. B. JIAO
,
D. P. JIN
,
S. Jin
,
S. Komamiya
,
W. Kuehn
,
S. Lange
,
J. K. C. Leung
,
Cheng Li
,
Cui Li
,
D. M. Li
,
F. Li
,
G. Li
,
H. B. Li
,
J. Li
,
J.-C. Li
,
Lei Li
,
Li Lu
,
Q. J. LI
,
W. D. LI
,
W. G. LI
,
X. L. Li
,
X. N. LI
,
X. Q. Li
,
X. R. Li
,
Y. X. Li
,
Z. B. LI
,
H. Liang
,
T. R. Liang
,
Y T Liang
,
Y. F. Liang
,
G. R. Liao
,
X. T. Liao
,
B. J. LIU
,
C. L. Liu
,
C. X. LIU
,
C. Y. Liu
,
F. H. Liu
,
Fang Liu
,
Fang Liu
,
Feng Liu
,
G. C. Liu
,
H Liu
,
H. Liu
,
H. B. LIU
,
H. M. LIU
,
H.-W. Liu
,
J Liu
,
J Liu
,
J.-P. LIU
,
K. Liu
,
K. Y. Liu
,
Q. Liu
,
S. B. Liu
,
X. H. Liu
,
Y. B. Liu
,
Y. F. LIU
,
Y. W. Liu
,
Yong Liu
,
Z. A. LIU
,
G. R. LU
,
J. G. Lu
,
Q. W. Lu
,
X R Lü
,
X. R. Lu
,
Y.-p. Lu
,
C. L. LUO
,
M. X. Luo
,
T. Luo
,
X.‐L. Luo
,
C. L. Ma
,
F. C. MA
,
H. L. MA
,
Q. M. MA
,
X Ma
,
X. Y. Ma
,
M. Maggiora
,
Y. J. Mao
,
Z. P. Mao
,
J. Min
,
X. H. Mo
,
N. Yu. MUCHNOI
,
Y. Nefedov
,
F. P. Ning
,
S. L. Olsen
,
Q. Ouyang
,
M. Pelizaeus
,
K. Peters
,
J. L. PING
,
R. G. PING
,
R. Poling
,
C. S. J. Pun
,
M. Qi
,
S. Qian
,
C F. Qiao
,
J. F. QIU
,
G. RONG
,
X. D. RUAN
,
A. SARANTSEV
,
M. Shao
,
C. P. Shen
,
X. Y. SHEN
,
H. Y. SHENG
,
S. Sonoda
,
S. Spataro
,
B. SPRUCK
,
D. H. Sun
,
G. X. Sun
,
J. F. SUN
,
S‐S. Sun
,
X. D. Sun
,
Y. J. Sun
,
Y. Z. SUN
,
Z. J. Sun
,
Z. T. Sun
,
C. J. Tang
,
X. Tang
,
X. F. Tang
,
H. L. Tian
,
D. TOTH
,
G. S. Varner
,
X Wan
,
X. Wan
,
B. Q. Wang
,
J. K. WANG
,
K. Wang
,
L. L. WANG
,
L. S. Wang
,
P. Wang
,
P. L. WANG
,
Q. Wang
,
S. G. WANG
,
X.-D. Wang
,
X. L. Wang
,
Y. D. Wang
,
Y. F. Wang
,
Y. Q. Wang
,
Z Wang
,
Z. Wang
,
Z G Wang
,
Z. Y. Wang
,
D. H. Wei
,
S. P. Wen
,
U. WIEDNER
,
L.H. Wu
,
N. Wu
,
Weinan Wu
,
W. Wu
,
Y.-M. Wu
,
Z. Wu
,
Z. J. Xiao
,
Y. G. Xie
,
G. F. XU
,
G.-M. Xu
,
H. Xu
,
Min Xu
,
Ming Xu
,
X. P. XU
,
Y. Xu
,
Z. Z. Xu
,
Z. Xue
,
L. Yan
,
W. B. YAN
,
Y. H. Yan
,
H. X. YANG
,
M. Yang
,
P Yang
,
P. Yang
,
S M Yang
,
Y. X. Yang
,
M. Ye
,
M. H. YE
,
B.X. YU
,
C. X. YU
,
L. Yu
,
C. Z. Yuan
,
Y. Yuan
,
Y. Zeng
,
B. X. ZHANG
,
B. Y. ZHANG
,
C. C. Zhang
,
D. H. ZHANG
,
H. H. ZHANG
,
H. Y. Zhang
,
J. W. Zhang
,
J Y Zhang
,
J. Z. Zhang
,
L. Zhang
,
S H Zhang
,
X. Y. Zhang
,
Y Zhang
,
Y. Zhang
,
Y. H. Zhang
,
Z. P. Zhang
,
C. Zhao
,
H. S. Zhao
,
Jiawei Zhao
,
Jingwei Zhao
,
Lei Zhao
,
Ling Zhao
,
M. G. ZHAO
,
Q. Zhao
,
S.J. Zhao
,
T. C. Zhao
,
X. H. Zhao
,
Y. B. Zhao
,
Z. G. ZHAO
,
B. Zheng
,
J. P. Zheng
,
Y. H. Zheng
,
Z. P. ZHENG
,
B. ZHONG
,
J. Zhong
,
L. Zhou
,
Z. L. Zhou
,
C. Zhu
,
K. Zhu
,
K. J. Zhu
,
Q. M. ZHU
,
X. W. ZHU
,
Y. S. Zhu
,
Z. A. ZHU
,
J. Zhuang
,
B. S. ZOU
,
J. H. Zou
,
J. X. ZUO
,
P. Zweber
Publication type: Journal Article
Publication date: 2010-03-11
scimago Q1
wos Q1
SJR: 1.458
CiteScore: 9.0
Impact factor: 5.3
ISSN: 24700010, 24700029, 05562821, 10894918, 15507998, 15502368
Nuclear and High Energy Physics
Abstract
Using a sample of 1.06 × 10 8 ψ' decays collected by the BESIII detector, χ c0 and χ c2 decays into π 0 π 0 and ηη are studied. The branching fraction results are Br(χ c0 → π 0 π 0 ) = (3.23 ± 0.03 ± 0.23 ± 0.14) × 10- 3 , Br(χ c2 → π 0 π 0 ) = (8.8 ± 0.2 ± 0.6 ± 0.4) × 10 -4 , Br(χ c0 → ηη) = (3.44 ± 0.10 ± 0.24 ± 0.2) × 10 -3 , and Br(χ c2 → ηη) = (6.5 ± 0.4 ± 0.5 ± 0.3) × 10- 4 , where the uncertainties are statistical, systematic due to this measurement, and systematic due to the branching fractions of ψ' → γχ cJ . The results provide information on the decay mechanism of χ c states into pseudoscalars.
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ABLIKIM M. et al. Branching fraction measurements ofχc0andχc2toπ0π0andηη // Physical Review D. 2010. Vol. 81. No. 5. 052005
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ABLIKIM M. et al. Branching fraction measurements ofχc0andχc2toπ0π0andηη // Physical Review D. 2010. Vol. 81. No. 5. 052005
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@article{2010_ABLIKIM,
author = {M. ABLIKIM and M. N. ACHASOV and L. An and Q. An and Z. H. An and J. Z. BAI and Y. BAN and N. Berger and J. M. Bian and I. Boyko and R. A. Briere and V. Bytev and X Cai and G. F. Cao and X.-X. Cao and J. F. Chang and G. Chelkov and G. Chen and H. S. Chen and J. C. Chen and L. P. Chen and M L Chen and P. chen and S J Chen and Y.-B. Chen and Y. P. CHU and D Cronin-Hennessy and H. L. Dai and J. P. Dai and D. Dedovich and Z. Y. DENG and I. Denysenko and M. Destefanis and Y. Ding and L. Y. Dong and M. Y. Dong and S. X. DU and M. Y. Duan and J. Fang and C. Q. Feng and C. D. FU and J. L. Fu and Y. Gao and C. Geng and K. Goetzen and W. X. Gong and M. GRECO and S. Grishin and Y. T. Gu and A. Q. Guo and others},
title = {Branching fraction measurements ofχc0andχc2toπ0π0andηη},
journal = {Physical Review D},
year = {2010},
volume = {81},
publisher = {American Physical Society (APS)},
month = {mar},
url = {https://link.aps.org/doi/10.1103/PhysRevD.81.052005},
number = {5},
pages = {052005},
doi = {10.1103/PhysRevD.81.052005}
}
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