Open Access
Open access
volume 124 issue 3 publication number 032002

Measurement of the Cross Section for e+eΞΞ¯+ and Observation of an Excited Ξ Baryon

M. ABLIKIM
M. N. ACHASOV
P. Adlarson
S. Ahmed
M Albrecht
M. Albrecht
M. Alekseev
A. Amoroso
F. F. An
Q. An
Y. Bai
O. Bakina
R. Baldini Ferroli
I. Balossino
Y. BAN
K. Begzsuren
J V Bennett
N. Berger
M. Bertani
D. Bettoni
F Bianchi
J. Biernat
J. Bloms
I. Boyko
R. A. Briere
H. Cai
X Cai
A. Calcaterra
G. F. Cao
N Cao
S. A. Cetin
J. Chai
J. F. Chang
W.-L. Chang
G. Chelkov
D. Y. Chen
G. Chen
H. S. Chen
J. C. Chen
M L Chen
S J Chen
Y.-B. Chen
W. Cheng
G. Cibinetto
F. Cossio
X. F. Cui
H. L. Dai
J. P. Dai
X. C. Dai
A. Dbeyssi
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
Z.L. Dou
S. X. DU
J. Z. Fan
J. Fang
S. S. Fang
Y. Fang
R. Farinelli
L. Fava
F. Feldbauer
G. Felici
C. Q. Feng
M. FRITSCH
C. D. FU
Y. Fu
Q. Gao
X.-L. Gao
Y. Gao
Y. G. Gao
Z. Gao
B. Garillon
I. Garzia
E. M. Gersabeck
A Gilman
K. Goetzen
L. Gong
W. X. Gong
W. Gradl
M. GRECO
L. M. Gu
M. H. Gu
S. Gu
Y. T. Gu
A. Q. Guo
L. B. GUO
R. P. Guo
Y. P. Guo
A. Guskov
S Han
X. Q. Hao
F. A. HARRIS
K. L. HE
F. H. Heinsius
T. Held
Y. K. HENG
M. Himmelreich
Y. R. Hou
Z. L. Hou
H. M. HU
J. F. Hu
T. Hu
Y. Hu
G. S. HUANG
J.‐S. Huang
X.-T. Huang
X.-Z. Huang
N. Huesken
T. Hussain
W. Ikegami Andersson
W. Imoehl
M Irshad
Q. Ji
Q. P. Ji
X. B. Ji
X. L. Ji
H.-L. Jiang
X. S. Jiang
X. Y. Jiang
J. B. JIAO
Z Jiao
D. P. JIN
S. Jin
Y. Jin
T. Johansson
N. KALANTAR-NAYESTANAKI
X. S. Kang
R. Kappert
M. Kavatsyuk
B. C. Ke
I. K. Keshk
A. KHOUKAZ
P. Kiese
R. Kiuchi
R. Kliemt
L. Koch
O. B. Kolcu
B. Kopf
M. Kuemmel
M. Kuessner
A. Kupsc
M. Kurth
M. G. Kurth
W. KÜHN
J. S. LANGE
P. Larin
L. Lavezzi
H. Leithoff
T. Lenz
C. Li
Cheng Li
D. M. Li
F. Li
F. Y. Li
G. Li
H. B. Li
H. J. Li
J.-C. Li
J. W. Li
Ke Li
L. K. Li
Lei Li
P. L. Li
P. R. Li
Q. Y. Li
W. D. LI
W. G. LI
X.-H. Li
X. L. Li
X. N. LI
Z. B. LI
Z. Y. Li
H. Liang
Y. F. Liang
Y T Liang
G. R. Liao
L. Z. Liao
J Libby
C. X. Lin
D. X. Lin
Y.-J. Lin
B. Liu
B. J. LIU
C. X. LIU
D. Liu
D.-Y. Liu
F. H. Liu
Fang Liu
Fang Liu
Feng Liu
H. B. LIU
H. M. LIU
Huanhuan Liu
Huihui Liu
J. B. LIU
J. Y. Liu
K. Liu
K. Y. Liu
Ke Liu
L. Y. Liu
Q. Liu
S. B. Liu
T. Liu
X. Liu
X.Y. Liu
Y. B. Liu
Z. A. LIU
Zhiqing Liu
Y.F. Long
X. C. Lou
H. J. Lu
J. D. Lu
J. G. Lu
Y Lü
Y. Lu
Y.-p. Lu
C. L. LUO
M. X. Luo
P. W. Luo
T. Luo
X.‐L. Luo
S. Lusso
X. R. Lyu
F. C. MA
H. L. MA
L L Ma
M. M. Ma
Q. M. MA
X. N. Ma
X. X. Ma
X. Y. Ma
Y. M. Ma
F. E. Maas
M. Maggiora
S. Maldaner
S. Malde
Q. A. Malik
A Mangoni
Y. J. Mao
Z. P. Mao
S. Marcello
Z. X. Meng
J. G. MESSCHENDORP
G. Mezzadri
J. Min
T. J. Min
R E Mitchell
X. H. Mo
Y. J. Mo
C. Morales Morales
N. Yu. MUCHNOI
H. Muramatsu
A Mustafa
S. Nakhoul
Y. Nefedov
F. Nerling
I. B. NIKOLAEV
Z. Ning
S. Nisar
S.L. Niu
S. L. Olsen
Q. Ouyang
S. Pacetti
Y Pan
Y. Pan
M. Papenbrock
P. Patteri
M. Pelizaeus
H. P. Peng
K. Peters
J. PETTERSSON
J. L. PING
R. G. PING
A. Pitka
R. Poling
Prasad V
H. R. Qi
M. Qi
T. Y. Qi
S. Qian
C F. Qiao
N. QIN
X. P. Qin
X. S. Qin
Z. H. Qin
J. F. QIU
S. Q. Qu
K. H. Rashid
K. Ravindran
C. F. Redmer
M. Richter
A. Rivetti
V. Rodin
M. Rolo
G. RONG
Ch. Rosner
M. Rump
A. SARANTSEV
M. Savrié
Y. Schelhaas
K. Schoenning
W. Shan
X. Y. Shan
M. Shao
C. P. Shen
P. X. Shen
X. Y. SHEN
H. Y. SHENG
X. Shi
X.-D. Shi
J. J. Song
Q. Q. Song
X. Y. Song
S. Sosio
C Sowa
S. Spataro
F. F. Sui
G. X. Sun
J. F. SUN
L. Sun
S‐S. Sun
X. H. Sun
Y. J. Sun
Y.-K. Sun
Y. Z. SUN
Z. J. Sun
Z. T. Sun
Y.T Tan
C. J. Tang
G. Y. Tang
X. Tang
V. Thoren
B. Tsednee
I. Uman
B. Wang
B. L. Wang
C. W. Wang
D. Y. Wang
K. Wang
L. L. WANG
L. S. Wang
M Wang
M.-Z. Wang
Meng Wang
P. L. WANG
R. M. Wang
W. P. Wang
X. Wang
X. L. Wang
YONG WANG
Y. Wang
Y. F. Wang
Y. Q. Wang
Z Wang
Z. Wang
Z G Wang
Z. Y. Wang
Zongyuan Wang
T. Weber
D. H. Wei
P. Weidenkaff
F. Weidner
H. W. Wen
S. P. Wen
U. WIEDNER
G. Wilkinson
M. WOLKE
L.H. Wu
L. J. Wu
Z. Wu
L. Xia
Y. Xia
S. Y. Xiao
Y.J. Xiao
Z. J. Xiao
Y. G. Xie
Y. H. Xie
T. Y. Xing
X. A. Xiong
Q. L. Xiu
G. F. XU
J. J. Xu
L. Xu
Q. J. XU
Weizong Xu
W. Xu
X. P. XU
F. YAN
L. Yan
W. B. YAN
W. C. Yan
Y. H. Yan
H. J. YANG
H. X. YANG
L. Yang
R X Yang
S L Yang
Y-H. Yang
Y H Yang
Y. X. Yang
Yifan Yang
Z.-Q. Yang
M. Ye
M. H. YE
J. -H Yin
Z. Y. You
B.X. YU
C. X. YU
J. S. Yu
T. Yu
C. Z. Yuan
X. Q. YUAN
Y. Yuan
A. Yuncu
A. A. Zafar
Y. Zeng
B. X. ZHANG
B. Y. ZHANG
C. C. Zhang
D. H. ZHANG
H. H. ZHANG
H. Y. Zhang
J. Zhang
J. L. Zhang
J. Q. Zhang
J. W. Zhang
J Y Zhang
J. Z. Zhang
K. Zhang
L. Zhang
S. F. Zhang
T.J. ZHANG
X. Y. Zhang
Y Zhang
Y. Zhang
Y. H. Zhang
Y. T. Zhang
Yang Zhang
Yao Zhang
ZHANG Yi
Zhang Yi
Yu Zhang
Z. H. Zhang
Z. P. Zhang
Z. Y. Zhang
G. Zhao
J. W. ZHAO
J. Y. Zhao
J. Z. Zhao
Lei Zhao
Ling Zhao
M. G. ZHAO
Q. Zhao
S.J. Zhao
T. C. Zhao
Y. B. Zhao
Z. G. ZHAO
B. Zheng
J. P. Zheng
Y. Zheng
Y. H. Zheng
B. ZHONG
L. Zhou
L. P. Zhou
Q. Zhou
X. Zhou
X. K. Zhou
X.-R. ZHOU
Xiaoyu Zhou
Zhou Xu
Zhou Xu
A. N. Zhu
J Zhu
K. Zhu
K. J. Zhu
S.-H. Zhu
W. J. Zhu
X L Zhu
Y. C. Zhu
Y. S. Zhu
Z. A. ZHU
J. Zhuang
B. S. ZOU
J. H. Zou
Publication typeJournal Article
Publication date2020-01-24
scimago Q1
wos Q1
SJR2.856
CiteScore15.6
Impact factor9.0
ISSN00319007, 10797114
General Physics and Astronomy
Abstract
Using a total of 11.0  fb^{-1} of e^{+}e^{-} collision data with center-of-mass energies between 4.009 and 4.6 GeV and collected with the BESIII detector at BEPCII, we measure fifteen exclusive cross sections and effective form factors for the process e^{+}e^{-}→Ξ^{-}Ξ[over ¯]^{+} by means of a single baryon-tag method. After performing a fit to the dressed cross section of e^{+}e^{-}→Ξ^{-}Ξ[over ¯]^{+}, no significant ψ(4230) or ψ(4260) resonance is observed in the Ξ^{-}Ξ[over ¯]^{+} final states, and upper limits at the 90% confidence level on Γ_{ee}B for the processes ψ(4230)/ψ(4260)→Ξ^{-}Ξ[over ¯]^{+} are determined. In addition, an excited Ξ baryon at 1820  MeV/c^{2} is observed with a statistical significance of 6.2-6.5σ by including the systematic uncertainty, and the mass and width are measured to be M=(1825.5±4.7±4.7)  MeV/c^{2} and Γ=(17.0±15.0±7.9)  MeV, which confirms the existence of the J^{P}=3/2^{-} state Ξ(1820).
Found 
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ABLIKIM M. et al. Measurement of the Cross Section for e+e−→Ξ−Ξ¯+ and Observation of an Excited Ξ Baryon // Physical Review Letters. 2020. Vol. 124. No. 3. 032002
GOST all authors (up to 50) Copy
ABLIKIM M. et al. Measurement of the Cross Section for e+e−→Ξ−Ξ¯+ and Observation of an Excited Ξ Baryon // Physical Review Letters. 2020. Vol. 124. No. 3. 032002
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@article{2020_ABLIKIM,
author = {M. ABLIKIM and M. N. ACHASOV and P. Adlarson and S. Ahmed and M Albrecht and M. Albrecht and M. Alekseev and A. Amoroso and F. F. An and Q. An and Y. Bai and O. Bakina and R. Baldini Ferroli and I. Balossino and Y. BAN and K. Begzsuren and J V Bennett and N. Berger and M. Bertani and D. Bettoni and F Bianchi and J. Biernat and J. Bloms and I. Boyko and R. A. Briere and H. Cai and X Cai and A. Calcaterra and G. F. Cao and N Cao and S. A. Cetin and J. Chai and J. F. Chang and W.-L. Chang and G. Chelkov and D. Y. Chen and G. Chen and H. S. Chen and J. C. Chen and M L Chen and S J Chen and Y.-B. Chen and W. Cheng and G. Cibinetto and F. Cossio and X. F. Cui and H. L. Dai and J. P. Dai and X. C. Dai and A. Dbeyssi and others},
title = {Measurement of the Cross Section for e+e−→Ξ−Ξ¯+ and Observation of an Excited Ξ Baryon},
journal = {Physical Review Letters},
year = {2020},
volume = {124},
publisher = {American Physical Society (APS)},
month = {jan},
url = {https://doi.org/10.1103/PhysRevLett.124.032002},
number = {3},
pages = {032002},
doi = {10.1103/PhysRevLett.124.032002}
}