Open Access

Chinese Physics C

, volume 39 , issue 4 , pages 41001

Evidence for e ⁺ e ⁻ →γχ _c1,2 at center-of-mass energies from 4.009 to 4.360 GeV

M. ABLIKIM ¹

M. N. ACHASOV ^{2, 3}

X. C. Ai ¹

O. Albayrak ⁴

D. J. Ambrose ⁵

A. Amoroso ^{6, 7}

F. F. An ¹

Q. An ⁸

J. Z. BAI ¹

R. Baldini Ferroli ⁹

Y. BAN ¹⁰

D. W. Bennett ¹¹

J V Bennett ⁴

M. Bertani ⁹

D. Bettoni ¹²

J. M. Bian ¹³

F Bianchi ^{6, 7}

E. Boger ^{14, 15}

O. Bondarenko ¹⁶

I. Boyko ¹⁴

R. A. Briere ⁴

H. Cai ¹⁷

X Cai ¹

O. Cakir ^{18, 19}

A. Calcaterra ⁹

G. F. Cao ¹

S. A. Cetin ²⁰

J. F. Chang ¹

G. Chelkov ^{14, 21}

G. Chen ¹

H. S. Chen ¹

H. ‐y. Chen ²²

J. C. Chen ¹

M L Chen ¹

S J Chen ²³

X. Chen ¹

X. R. Chen ²⁴

Y.-B. Chen ¹

H.-P. Cheng ²⁵

X. K. Chu ¹⁰

G. Cibinetto ¹²

D Cronin-Hennessy ¹³

H. L. Dai ¹

J. P. Dai ²⁶

A. Dbeyssi ²⁷

D. Dedovich ¹⁴

Z. Y. DENG ¹

A. DENIG ²⁸

I. Denysenko ¹⁴

M. Destefanis ^{6, 7}

F De Mori ^{6, 7}

Y. Ding ²⁹

C. Dong ³⁰

J. Dong ¹

L. Y. Dong ¹

M. Y. Dong ¹

S. X. DU ³¹

P. F. Duan ¹

J. Z. Fan ³²

J. Fang ¹

S. S. Fang ¹

X. Fang ⁸

Y. Fang ¹

L. Fava ^{7, 33}

F. Feldbauer ²⁸

G. Felici ⁹

C. Q. Feng ⁸

E. Fioravanti ¹²

M. FRITSCH ^{27, 28}

C. D. FU ¹

Q. Gao ¹

Y. Gao ³²

Z. Gao ⁸

I. Garzia ¹²

K. Goetzen ³⁴

W. X. Gong ¹

W. Gradl ²⁸

M. GRECO ^{6, 7}

M. H. Gu ¹

Y. T. Gu ³⁵

Y.H. Guan ¹

A. Q. Guo ¹

L. B. GUO ³⁶

T. Guo ³⁶

Y. Guo ¹

Y. P. Guo ²⁸

Z. Haddadi ¹⁶

A. Hafner ²⁸

S Han ¹⁷

Y. L. Han ¹

F. A. HARRIS ³⁷

K. L. HE ¹

Z.Y. He ³⁰

T. Held ³⁸

Y. K. HENG ¹

Z. L. Hou ¹

C Hu ³⁶

H. M. HU ¹

J. F. Hu ⁶

T. Hu ¹

Y. Hu ¹

G. M. Huang ³⁹

G. S. HUANG ⁸

H.-P. Huang ¹⁷

J.‐S. Huang ⁴⁰

X.-T. Huang ⁴¹

T. Hussain ⁴²

Q. Ji ¹

Q. P. Ji ³⁰

X. B. Ji ¹

X. L. Ji ¹

L.L. Jiang ¹

L W Jiang ¹⁷

X. S. Jiang ¹

J. B. JIAO ⁴¹

Z Jiao ²⁵

D. P. JIN ¹

S. Jin ¹

T. Johansson ⁴³

A. Julin ¹³

N. KALANTAR-NAYESTANAKI ¹⁶

X. L. Kang ¹

X. S. Kang ³⁰

M. Kavatsyuk ¹⁶

B. C. Ke ⁴

R. Kliemt ²⁷

B. Kloss ²⁸

O. B. Kolcu ^{20, 44}

B. Kopf ³⁸

M. Kornicer ³⁷

W. Kuehn ⁴⁵

A. Kupsc ⁴³

W. Lai ¹

M. Lara ¹¹

P. Larin ²⁷

Cheng Li ⁸

D. M. Li ³¹

F. Li ¹

G. Li ¹

H. B. Li ¹

J.-C. Li ¹

K Li ⁴¹

P. R. Li ⁴⁶

W. D. LI ¹

W. G. LI ¹

X. L. Li ⁴¹

X. M. Li ³⁵

X. N. LI ¹

X. Q. Li ³⁰

Z. B. LI ⁴⁷

H. Liang ⁸

Y. F. Liang ⁴⁸

Y T Liang ⁴⁵

G. R. Liao ⁴⁹

D X Lin(lin) ²⁷

B. J. LIU ¹

C. L. Liu ⁴

C. X. LIU ¹

F. H. Liu ⁵⁰

H. B. LIU ³⁵

H. H. Liu ¹

H. M. LIU ¹

J.-P. LIU ¹⁷

J. Y. Liu ¹

K. Liu ³²

K. Y. Liu ²⁹

L. D. Liu ¹⁰

P. L. Liu ¹

Q. Liu ⁴⁶

S. B. Liu ⁸

X. Liu ²⁴

X. X. Liu ⁴⁶

Y. B. Liu ³⁰

Z. A. LIU ¹

Zhiqing Liu ²⁸

H. Loehner ¹⁶

X. C. Lou ^{1, 51}

H. J. Lu ²⁵

J. G. Lu ¹

R.-Q. Lu ⁵²

Y. Lu ¹

Y.-p. Lu ¹

C. L. LUO ³⁶

M. X. Luo ⁵³

T. Luo ³⁷

X.‐L. Luo ¹

M. Lv ¹

X. R. Lyu ⁴⁶

F. C. MA ²⁹

H. L. MA ¹

L L Ma ⁴¹

Q. M. MA ¹

S. Ma ¹

T. Ma ¹

X. N. Ma ³⁰

X. Y. Ma ¹

F. E. Maas ²⁷

M. Maggiora ^{6, 7}

Q. A. Malik ⁴²

Y. J. Mao ¹⁰

Z. P. Mao ¹

S. Marcello ^{6, 7}

J. G. MESSCHENDORP ¹⁶

J. Min ¹

T. J. Min ¹

R E Mitchell ¹¹

X. H. Mo ¹

Y. J. Mo ³⁹

C. Morales Morales ²⁷

K. Moriya ¹¹

N. Yu. MUCHNOI ^{2, 3}

H. Muramatsu ¹³

Y. Nefedov ¹⁴

F. Nerling ²⁷

I. B. NIKOLAEV ^{2, 3}

Z. Ning ¹

S. Nisar ⁵⁴

S.L. Niu ¹

X. Y. Niu ¹

S. L. Olsen ⁵⁵

Q. Ouyang ¹

S. Pacetti ⁵⁶

P. Patteri ⁹

M. Pelizaeus ³⁸

H. P. Peng ⁸

K. Peters ³⁴

J. L. PING ³⁶

R. G. PING ¹

R. Poling ¹³

Y.N. Pu ⁵²

M. Qi ²³

S. Qian ¹

C F. Qiao ⁴⁶

L-Q Qin ⁴¹

N. QIN ¹⁷

X. S. Qin ¹

Y. Qin ¹⁰

Z. H. Qin ¹

J. F. QIU ¹

K. H. Rashid ⁴²

C. F. Redmer ²⁸

H. L. Ren ⁵²

M. Ripka ²⁸

G. RONG ¹

X. D. RUAN ³⁵

V. Santoro ¹²

A. SARANTSEV ^{14, 57}

M. Savrié ⁵⁸

K. Schoenning ⁴³

S. SCHUMANN ²⁸

W. Shan ¹⁰

M. Shao ⁸

C. P. Shen ²²

P. X. Shen ³⁰

X. Y. SHEN ¹

H. Y. SHENG ¹

M. R. Shepherd ¹¹

W. M. Song ¹

X. Y. Song ¹

S. Sosio ^{6, 7}

S. Spataro ^{6, 7}

B. SPRUCK ⁴⁵

G. X. Sun ¹

J. F. SUN ⁴⁰

S‐S. Sun ¹

Y. J. Sun ⁸

Y. Z. SUN ¹

Z. J. Sun ¹

Z. T. Sun ¹¹

C. J. Tang ⁴⁸

X. Tang ¹

I. Tapan ⁵⁹

E.H. Thorndike ⁵

M. Tiemens ¹⁶

D. TOTH ¹³

M. Ullrich ⁴⁵

I. Uman ²⁰

G. S. Varner ³⁷

B. Wang ³⁰

B. L. Wang ⁴⁶

D. Wang ¹⁰

D. Y. Wang ¹⁰

K. Wang ¹

L. L. WANG ¹

L. S. Wang ¹

M Wang ⁴¹

P. Wang ¹

P. L. WANG ¹

Q. J. Wang ¹

S. G. WANG ¹⁰

W. Wang ¹

X. F. Wang ³²

Y D Wang(yadi) ⁹

Y. F. Wang ¹

Y. Q. Wang ²⁸

Z. Wang ¹

Z G Wang ¹

Z.-H. Wang ⁸

Z. Y. Wang ¹

D. H. Wei ⁴⁹

J.-B. Wei ¹⁰

P. Weidenkaff ²⁸

S. P. Wen ¹

U. WIEDNER ³⁸

M. WOLKE ⁴³

L.H. Wu ¹

L. G. Xia ³²

Y. Xia ⁵²

D. XIAO ¹

Z. J. Xiao ³⁶

Y. G. Xie ¹

G. F. XU ¹

L. Xu ¹

Q. J. XU ⁶⁰

Q. N. Xu ⁴⁶

X. P. XU ⁶¹

L. Yan ⁸

W. B. YAN ⁸

W. C. Yan ⁸

Y. H. Yan ⁵²

H. X. YANG ¹

L. Yang ¹⁷

Y. Yang ³⁹

Y. X. Yang ⁴⁹

H Ye ¹

M. Ye ¹

M. H. YE ⁶²

J. -H Yin ¹

B.X. YU ¹

C. X. YU ³⁰

H. W. Yu ¹⁰

J. S. Yu ²⁴

C. Z. Yuan ¹

W.-L. Yuan ²³

Y. Yuan ¹

A. Yuncu ^{20, 63}

A. A. Zafar ⁴²

A. Zallo ⁹

Y. Zeng ⁵²

B. X. ZHANG ¹

B. Y. ZHANG ¹

C Zhang ²³

C. C. Zhang ¹

D. H. ZHANG ¹

H. H. ZHANG ⁴⁷

H. Y. Zhang ¹

J. J. Zhang ¹

J. L. Zhang ¹

J. Q. Zhang ¹

J. W. Zhang ¹

J Y Zhang ¹

J. Z. Zhang ¹

K. Zhang ¹

L. Zhang ¹

S H Zhang ¹

X. Y. Zhang ⁴¹

Y. H. Zhang ¹

Y. T. Zhang ⁸

Z. H. Zhang ³⁹

Z. Y. Zhang ¹⁷

G. Zhao ¹

J. W. ZHAO ¹

J. Y. Zhao ¹

J. Z. Zhao ¹

Ling Zhao ¹

M. G. ZHAO ³⁰

Q. Zhao ¹

Q.W. Zhao ¹

S.J. Zhao ³¹

T. C. Zhao ¹

Y. B. Zhao ¹

Z. G. ZHAO ⁸

A. Zhemchugov ^{14, 15}

B. Zheng ⁶⁴

J. P. Zheng ¹

W. J. Zheng ⁴¹

Y. H. Zheng ⁴⁶

B. ZHONG ³⁶

L. Zhou ¹

X. Zhou ¹⁷

X. K. Zhou ⁸

X.-R. ZHOU ⁸

X. Y. Zhou ¹

K. Zhu ¹

K. J. Zhu ¹

S Zhu ¹

X L Zhu ³²

Y. C. Zhu ⁸

Y. S. Zhu ¹

Z. A. ZHU ¹

J. Zhuang ¹

B. S. ZOU ¹

J. H. Zou ¹

Hide authors affiliations Show authors affiliations: 64 affiliations

Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China |

G.I. Budker Institute of Nuclear Physics SB RAS (BINP), Novosibirsk 630090, Russia |

Also at the Novosibirsk State University, Novosibirsk, 630090, Russia |

⁴

Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA |

⁵

University of Rochester, Rochester, New York 14627, USA |

⁶

University of Turin, I-10125, Turin, Italy |

⁷

INFN, I-10125, Turin, Italy |

⁸

UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA, HEFEI 230026, CHINA |

⁹

INFN Laboratori Nazionali di Frascati, I-00044, Frascati, Italy |

¹⁰

Peking University, Beijing 100871, China |

¹¹

Indiana University, Bloomington, Indiana 47405, USA |

¹²

INFN Sezione di Ferrara, I-44122, Ferrara, Italy |

¹³

University of Minnesota, Minneapolis, Minnesota 55455, USA |

¹⁴

Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia |

¹⁵

Also at the Moscow Institute of Physics and Technology, Moscow 141700, Russia |

¹⁶

KVI-CART, University of Groningen, NL-9747 AA Groningen, The Netherlands |

¹⁷

Wuhan University, Wuhan 430072, China |

¹⁸

Istanbul Aydin University, 34295 Sefakoy, Istanbul, Turkey |

¹⁹

Also at Ankara University, 06100 Tandogan, Ankara, Turkey |

²⁰

Dogus University, 34722 Istanbul, Turkey |

²¹

Also at the Moscow Institute of Physics and Technology, Moscow 141700, Russia and at the Functional Electronics Laboratory, Tomsk State University, Tomsk, 634050, Russia

Moscow Institute of Physics and Technology

Tomsk State University

²²

Beihang University, Beijing 100191, China |

²³

Nanjing University, Nanjing 210093, China |

²⁴

Lanzhou University, Lanzhou 730000, China |

²⁵

Huangshan College, Huangshan 245000, China |

²⁶

Shanghai Jiao Tong University, Shanghai 200240, China |

²⁷

Helmholtz Institute Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany |

²⁸

Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany |

²⁹

Liaoning University, Shenyang 110036, China |

³⁰

Nankai University, Tianjin 300071, China |

³¹

Zhengzhou University, Zhengzhou 450001, China |

³²

Tsinghua University, Beijing 100084, China |

³³

University of Eastern Piedmont, I-15121, Alessandria, Italy |

³⁴

GSI Helmholtzcentre for Heavy Ion Research GmbH, D-64291 Darmstadt, Germany |

³⁵

Guangxi University, Nanning 530004, China |

³⁶

Nanjing Normal University, Nanjing 210023, China |

³⁷

University of Hawaii, Honolulu, Hawaii 96822, USA |

³⁸

Bochum Ruhr-University, D-44780 Bochum, Germany |

³⁹

Central China Normal University, Wuhan 430079, China |

⁴⁰

Henan Normal University, Xinxiang 453007, China |

⁴¹

Shandong University, Jinan 250100, China |

⁴²

University of the Punjab, Lahore-54590, Pakistan |

⁴³

Uppsala University, Box 516, SE-75120 Uppsala, Sweden |

⁴⁴

Currently at Istanbul Arel University, Kucukcekmece, Istanbul, Turkey |

⁴⁵

Justus Liebig University Giessen, II. Physikalisches Institut, Heinrich-Buff-Ring 16, D-35392 Giessen, Germany |

⁴⁶

University of Chinese Academy of sciences, Beijing 100049, China |

⁴⁷

Sun Yat-sen University, Guangzhou 510275, China |

⁴⁸

Sichuan University, Chengdu 610064, China |

⁴⁹

Guangxi Normal University, Guilin 541004, China |

⁵⁰

Shanxi University, Taiyuan 030006, China |

⁵¹

Also at University of Texas at Dallas, Richardson, Texas 75083, USA |

⁵²

Hunan University, Changsha 410082, China |

⁵³

Zhejiang University, Hangzhou 310027, China |

⁵⁴

COMSATS Institute of Information Technology, Lahore, Defence Road, Off Raiwind Road, 54000 Lahore, Pakistan |

⁵⁵

Seoul National University, Seoul, 151-747 Korea |

⁵⁶

INFN and University of Perugia, I-06100, Perugia, Italy

University of Perugia

National Institute for Nuclear Physics

⁵⁷

Also at the PNPI, Gatchina 188300, Russia |

⁵⁸

University of Ferrara, I-44122, Ferrara, Italy |

⁵⁹

Uludag University, 16059 Bursa, Turkey |

⁶⁰

Hangzhou Normal University, Hangzhou 310036, China |

⁶¹

Soochow University, Suzhou 215006, China |

⁶²

China Center of Advanced Science and Technology, Beijing 100190, China |

⁶³

Also at Bogazici University, 34342 Istanbul, Turkey |

⁶⁴

University of South China, Hengyang 421001, China |

Publication type: Journal Article

Publication date: 2015-04-21

IOP Publishing

Chinese Physics C

scimago Q1

wos Q2

SJR: 0.960

CiteScore: 6.9

Impact factor: 3.1

ISSN: 16741137, 20586132

DOI: 10.1088/1674-1137/39/4/041001

Copy DOI

Instrumentation

Nuclear and High Energy Physics

Astronomy and Astrophysics

Abstract

Using data samples collected at center-of-mass energies of $\sqrt{s}$ = 4.009, 4.230, 4.260, and 4.360 GeV with the BESIII detector operating at the BEPCII collider, we perform a search for the process $e^+e^-\to\gamma\chi_{cJ}$ $(J = 0, 1, 2)$ and find evidence for $e^+e^-\to\gamma\chi_{c1}$ and $e^+e^-\to\gamma\chi_{c2}$ with statistical significances of 3.0$\sigma$ and 3.4$\sigma$, respectively. The Born cross sections $\sigma^{B}(e^+e^-\to\gamma\chi_{cJ})$, as well as their upper limits at the 90% confidence level are determined at each center-of-mass energy.

Found

2 citations

Zhemchugov Alexey

🥼

PhD in Physics and Mathematics

1 891 publications, 77 406 citations, 4 reviews

h-index: 115

Moscow Institute of Physics and Technology

Joint Institute for Nuclear Research

Research interests

Elementary Particle Physics

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ABLIKIM M. et al. Evidence for e + e − →γχ c1,2 at center-of-mass energies from 4.009 to 4.360 GeV // Chinese Physics C. 2015. Vol. 39. No. 4. p. 41001.

GOST all authors (up to 50) Copy

ABLIKIM M. et al. Evidence for e + e − →γχ c1,2 at center-of-mass energies from 4.009 to 4.360 GeV // Chinese Physics C. 2015. Vol. 39. No. 4. p. 41001.

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@article{2015_ABLIKIM,

author = {M. ABLIKIM and M. N. ACHASOV and X. C. Ai and O. Albayrak 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 G. Cibinetto and D Cronin-Hennessy and H. L. Dai and J. P. Dai and A. Dbeyssi and D. Dedovich and Z. Y. DENG and A. DENIG and I. Denysenko and M. Destefanis and others},

title = {Evidence for e + e − →γχ c1,2 at center-of-mass energies from 4.009 to 4.360 GeV},

journal = {Chinese Physics C},

year = {2015},

volume = {39},

publisher = {IOP Publishing},

month = {apr},

url = {https://iopscience.iop.org/article/10.1088/1674-1137/39/4/041001},

number = {4},

pages = {41001},

doi = {10.1088/1674-1137/39/4/041001}

}

MLA

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MLA Copy

ABLIKIM, M., et al. “Evidence for e + e − →γχ c1,2 at center-of-mass energies from 4.009 to 4.360 GeV.” Chinese Physics C, vol. 39, no. 4, Apr. 2015, p. 41001. https://iopscience.iop.org/article/10.1088/1674-1137/39/4/041001.

Publisher

IOP Publishing

Journal

Chinese Physics C

scimago Q1

wos Q2

SJR

0.960

CiteScore

6.9

Impact factor

3.1

ISSN

16741137 (Print)

20586132 (Electronic)

Profiles

Alexey Sergeevich Zhemchugov