Open Access
Study ofe + e − → ω χ c J
M. ABLIKIM
,
M. N. ACHASOV
,
X. C. Ai
,
O. Albayrak
,
M Albrecht
,
M. Albrecht
,
D. J. Ambrose
,
A. Amoroso
,
F. F. An
,
Q. An
,
J. Z. BAI
,
R. Baldini Ferroli
,
Y. BAN
,
D. W. Bennett
,
J V Bennett
,
M. Bertani
,
D. Bettoni
,
J. M. Bian
,
F Bianchi
,
E. Boger
,
O. Bondarenko
,
I. Boyko
,
R. A. Briere
,
H. Cai
,
X Cai
,
O. Cakir
,
A. Calcaterra
,
G. F. Cao
,
S. A. Cetin
,
J. F. Chang
,
G. Chelkov
,
G. Chen
,
H. S. Chen
,
H. ‐y. Chen
,
J. C. Chen
,
M L Chen
,
S J Chen
,
X. Chen
,
X. R. Chen
,
Y.-B. Chen
,
H.-P. Cheng
,
X. K. Chu
,
Y. P. CHU
,
G. Cibinetto
,
D Cronin-Hennessy
,
H. L. Dai
,
J. P. Dai
,
D. Dedovich
,
Z. Y. DENG
,
A. DENIG
,
I. Denysenko
,
M. Destefanis
,
F. De Mori
,
Y. Ding
,
C. Dong
,
J. Dong
,
L. Y. Dong
,
M. Y. Dong
,
S. X. DU
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P. F. Duan
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J. Z. Fan
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J. Fang
,
S. S. Fang
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X. Fang
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Y. Fang
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L. Fava
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F. Feldbauer
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G. Felici
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C. Q. Feng
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E. Fioravanti
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C. D. FU
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Q. Gao
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Y. Gao
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I. Garzia
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K. Goetzen
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W. X. Gong
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W. Gradl
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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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T. Guo
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Y. Guo
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Y. P. Guo
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Z. Haddadi
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A. Hafner
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S Han
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Y. L. Han
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F. A. HARRIS
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K. L. HE
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Z.Y. He
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T. Held
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Y. K. HENG
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Z. L. Hou
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C Hu
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H. M. HU
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J. F. Hu
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T. Hu
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Y. Hu
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G. M. Huang
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G. S. HUANG
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H.-P. Huang
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J.‐S. Huang
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X.-T. Huang
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Y Huang
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T. Hussain
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Q. Ji
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Q. P. Ji
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X. B. Ji
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X. L. Ji
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L.L. Jiang
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L W 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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T. Johansson
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A. Julin
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N. KALANTAR-NAYESTANAKI
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X. L. Kang
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X. S. Kang
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M. Kavatsyuk
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B. C. Ke
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R. Kliemt
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B. Kloss
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O. B. Kolcu
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B. Kopf
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M. Kornicer
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W. Kuehn
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A. Kupsc
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W. Lai
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J. S. LANGE
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M. Lara
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P. Larin
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Cheng Li
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C. H. Li
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D. M. Li
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F. 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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Jin Li
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K Li
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P. R. Li
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T Li
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T. 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. M. Li
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X. N. LI
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X. Q. Li
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Z. B. LI
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H. Liang
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Y. F. Liang
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Y T Liang
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G. R. Liao
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D. X. Lin
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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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F. H. Liu
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Fang Liu
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Fang Liu
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Feng Liu
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H. B. LIU
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H. H. Liu
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H. M. LIU
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J Liu
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J Liu
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J.-P. LIU
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J. Y. Liu
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K. Liu
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K. Y. Liu
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L. D. Liu
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Q. Liu
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S. B. Liu
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X. Liu
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X. X. Liu
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Y. B. Liu
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Z. A. LIU
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Zhiqiang Liu
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Zhiqing Liu
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H. Loehner
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X. C. Lou
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H. J. Lu
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J. G. Lu
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R.-Q. Lu
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Y Lü
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Y. Lu
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Y.-p. Lu
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C. L. LUO
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M. X. Luo
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T. Luo
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X.‐L. Luo
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M. Lv
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X. R. Lyu
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F. C. MA
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H. L. MA
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L L Ma
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Q. M. MA
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X. N. Ma
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X. Y. Ma
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F. E. Maas
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M. Maggiora
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Q. A. Malik
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Y. J. Mao
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S. Marcello
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J. G. MESSCHENDORP
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J. Min
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T. J. Min
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R E Mitchell
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X. H. Mo
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Y. J. Mo
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H. MOEINI
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C. Morales Morales
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N. Yu. MUCHNOI
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H. Muramatsu
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Y. Nefedov
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I. B. NIKOLAEV
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S.L. Niu
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L-Q Qin
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L. Q. Qin
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N. QIN
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H. L. Ren
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G. RONG
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X. D. RUAN
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V. Santoro
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A. SARANTSEV
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H. Y. SHENG
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M. R. Shepherd
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W. M. Song
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X. Y. Song
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S. Sosio
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B. SPRUCK
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G. X. Sun
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J. F. SUN
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S‐S. Sun
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Y. J. Sun
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Y. Z. SUN
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Z. J. Sun
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Z. T. Sun
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C. J. Tang
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X. Tang
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I. Tapan
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E.H. Thorndike
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M. Tiemens
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D. TOTH
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M. Ullrich
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I. Uman
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G. S. Varner
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B. Wang
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B. L. Wang
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D. Wang
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D. Y. Wang
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K. Wang
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L. L. WANG
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L. S. Wang
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M Wang
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P. Wang
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P. L. WANG
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Q. J. Wang
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S. G. WANG
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W. Wang
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X. F. Wang
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Y. D. Wang
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Y. F. Wang
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Y. Q. Wang
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Z Wang
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Z. Wang
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Z G Wang
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Z.-H. Wang
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Z. Y. Wang
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D. H. Wei
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J.-B. Wei
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P. Weidenkaff
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S. P. Wen
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U. WIEDNER
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M. WOLKE
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L.H. Wu
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Z. Wu
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L. G. Xia
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Y. Xia
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D. XIAO
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Z. J. Xiao
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Y. G. Xie
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Q. L. Xiu
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G. F. XU
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L. Xu
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Q. J. XU
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Q. N. Xu
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X. P. XU
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L. Yan
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W. B. YAN
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W. C. Yan
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Y. H. Yan
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H. X. YANG
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L. Yang
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Y. Yang
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Y. X. Yang
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H Ye
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M. Ye
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M. H. YE
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J. -H Yin
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B.X. YU
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C. X. YU
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H. W. Yu
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J. S. Yu
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C. Z. Yuan
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W.-L. Yuan
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Y. Yuan
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A. Yuncu
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A. A. Zafar
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A. Zallo
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Y. Zeng
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B. X. ZHANG
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B. Y. ZHANG
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C 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. J. Zhang
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J. L. 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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K. Zhang
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L. Zhang
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S H 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. Zhang
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Y. H. Zhang
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Z. H. 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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J. W. ZHAO
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J. Y. Zhao
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J. Z. Zhao
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Lei Zhao
,
Ling Zhao
,
M. G. ZHAO
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Q. Zhao
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Q.W. Zhao
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S.J. Zhao
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T. C. 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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J. P. Zheng
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W. J. Zheng
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Y. H. Zheng
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B. ZHONG
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L. Zhou
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Li Zhou
,
X. Zhou
,
X. K. Zhou
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X.-R. ZHOU
,
X. Y. Zhou
,
K. Zhu
,
K. J. Zhu
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S Zhu
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X L Zhu
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Y. C. Zhu
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Y. S. Zhu
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Z. A. ZHU
,
J. Zhuang
,
B. S. ZOU
,
J. H. Zou
Publication type: Journal Article
Publication date: 2015-03-04
scimago Q1
wos Q1
SJR: 2.856
CiteScore: 15.6
Impact factor: 9.0
ISSN: 00319007, 10797114
PubMed ID:
25793804
General Physics and Astronomy
Abstract
Based on data samples collected with the BESIII detector at the BEPCII collider at nine center of mass energies from 4.21 to 4.42 GeV, we search for the production of e^{+}e^{-}→ωχ_{cJ} (J=0, 1, 2). The process e^{+}e^{-}→ωχ_{c0} is observed for the first time, and the Born cross sections at sqrt[s]=4.23 and 4.26 GeV are measured to be (55.4±6.0±5.9) and (23.7±5.3±3.5) pb, respectively, where the first uncertainties are statistical and the second are systematic. The ωχ_{c0} signals at the other seven energies and the e^{+}e^{-}→ωχ_{c1} and ωχ_{c2} signals are not significant, and the upper limits on the cross sections are determined. By examining the ωχ_{c0} cross section as a function of center of mass energy, we find that it is inconsistent with the line shape of the Y(4260) observed in e^{+}e^{-}→π^{+}π^{-}J/ψ. Assuming the ωχ_{c0} signals come from a single resonance, we extract the mass and width of the resonance to be (4230±8±6) MeV/c^{2} and (38±12±2) MeV, respectively, and the statistical significance is more than 9σ.
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ABLIKIM M. et al. Study ofe+e−→ωχcJat Center of Mass Energies from 4.21 to 4.42 GeV // Physical Review Letters. 2015. Vol. 114. No. 9. 092003
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ABLIKIM M. et al. Study ofe+e−→ωχcJat Center of Mass Energies from 4.21 to 4.42 GeV // Physical Review Letters. 2015. Vol. 114. No. 9. 092003
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@article{2015_ABLIKIM,
author = {M. ABLIKIM and M. N. ACHASOV and X. C. Ai and O. Albayrak and M Albrecht and M. Albrecht and D. J. Ambrose and A. Amoroso and F. F. An and Q. An and J. Z. BAI and R. Baldini Ferroli and Y. BAN and D. W. Bennett and J V Bennett and M. Bertani and D. Bettoni and J. M. Bian and F Bianchi and E. Boger and O. Bondarenko and I. Boyko and R. A. Briere and H. Cai and X Cai and O. Cakir and A. Calcaterra and G. F. Cao and S. A. Cetin and J. F. Chang and G. Chelkov and G. Chen and H. S. Chen and H. ‐y. Chen and J. C. Chen and M L Chen and S J Chen and X. Chen and X. R. Chen and Y.-B. Chen and H.-P. Cheng and X. K. Chu and Y. P. CHU and G. Cibinetto and D Cronin-Hennessy and H. L. Dai and J. P. Dai and D. Dedovich and Z. Y. DENG and A. DENIG and others},
title = {Study ofe+e−→ωχcJat Center of Mass Energies from 4.21 to 4.42 GeV},
journal = {Physical Review Letters},
year = {2015},
volume = {114},
publisher = {American Physical Society (APS)},
month = {mar},
url = {https://doi.org/10.1103/PhysRevLett.114.092003},
number = {9},
pages = {092003},
doi = {10.1103/PhysRevLett.114.092003}
}
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