Search for the rare semi-leptonic decay J/ψ → D−e+νe + c.c.

Ablikim, M.; Achasov, M. N.; Adlarson, P.; Ahmed, S.; Albrecht, M.; Aliberti, R.; Amoroso, A.; An, M. R.; An, Q.; Bai, X. H.; Bai, Y.; Bakina, O.; Baldini Ferroli, R.; Balossino, I.; Ban, Y.; Begzsuren, K.; Berger, N.; Bertani, M.; Bettoni, D.; Bianchi, F.; Bloms, J.; Bortone, A.; Boyko, I.; Briere, R. A.; Cai, H.; Cai, X.; Calcaterra, A.; Cao, G. F.; Cao, N.; Cetin, S. A.; Chang, J. F.; Chang, W. L.; Chelkov, G.; Chen, D. Y.; Chen, G.; Chen, H. S.; Chen, M. L.; Chen, S. J.; Chen, X. R.; Chen, Y. B.; Chen, Z. J; Cheng, W. S.; Cibinetto, G.; Cossio, F.; Cui, X. F.; Dai, H. L.; Dai, X. C.; Dbeyssi, A.; de Boer, R. E.; Dedovich, D.; Deng, Z. Y.; Denig, A.; Denysenko, I.; Destefanis, M.; De Mori, F.; Ding, Y.; Dong, C.; Dong, J.; Dong, L. Y.; Dong, M. Y.; Dong, X.; Du, S. X.; Fan, Y. L.; Fang, J.; Fang, S. S.; Fang, Y.; Farinelli, R.; Fava, L.; Feldbauer, F.; Felici, G.; Feng, C. Q.; Feng, J. H.; Fritsch, M.; Fu, C. D.; Gao, Y.; Gao, Y.; Gao, Y.; Gao, Y. G.; Garzia, I.; Ge, P. T.; Geng, C.; Gersabeck, E. M.; Gilman, A.; Goetzen, K.; Gong, L.; Gong, W. X.; Gradl, W.; Greco, M.; Gu, L. M.; Gu, M. H.; Gu, S.; Gu, Y. T.; Guan, C. Y; Guo, A. Q.; Guo, L. B.; Guo, R. P.; Guo, Y. P.; Guskov, A.; Han, T. T.; Han, W. Y.; Hao, X. Q.; Harris, F. A.; Hüsken, N.; He, K. L.; Heinsius, F. H.; Heinz, C. H.; Held, T.; Heng, Y. K.; Herold, C.; Himmelreich, M.; Holtmann, T.; Hou, G. Y.; Hou, Y. R.; Hou, Z. L.; Hu, H. M.; Hu, J. F.; Hu, T.; Hu, Y.; Huang, G. S.; Huang, L. Q.; Huang, X. T.; Huang, Y. P.; Huang, Z.; Hussain, T.; Ikegami Andersson, W.; Imoehl, W.; Irshad, M.; Jaeger, S.; Janchiv, S.; Ji, Q.; Ji, Q. P.; Ji, X. B.; Ji, X. L.; Ji, Y. Y.; Jiang, H. B.; Jiang, X. S.; Jiao, J. B.; Jiao, Z.; Jin, S.; Jin, Y.; Jing, M. Q.; Johansson, T.; Kalantar-Nayestanaki, N.; Kang, X. S.; Kappert, R.; Kavatsyuk, M.; Ke, B. C.; Keshk, I. K.; Khoukaz, A.; Kiese, P.; Kiuchi, R.; Kliemt, R.; Koch, L.; Kolcu, O. B.; Kopf, B.; Kuemmel, M.; Kuessner, M.; Kupsc, A.; Kurth, M. G.; Kühn, W.; Lane, J. J.; Lange, J. S.; Larin, P.; Lavania, A.; Lavezzi, L.; Lei, Z. H.; Leithoff, H.; Lellmann, M.; Lenz, T.; Li, C.; Li, C. H.; Li, C.; Li, D. M.; Li, F.; Li, G.; Li, H.; Li, H.; Li, H. B.; Li, H. J.; Li, J. L.; Li, J. Q.; Li, J. S.; Li, K.; Li, L. K.; Li, L.; Li, P. R.; Li, S. Y.; Li, W. D.; Li, W. G.; Li, X. H.; Li, X. L.; Li, X.; Li, Z. Y.; Liang, H.; Liang, H.; Liang, H.; Liang, Y. F.; Liang, Y. T.; Liao, G. R.; Liao, L. Z.; Libby, J.; Lin, C. X.; Liu, B. J.; Liu, C. X.; Liu, D.; Liu, F. H.; Liu, F.; Liu, F.; Liu, H. B.; Liu, H. M.; Liu, H.; Liu, H.; Liu, J. B.; Liu, J. L.; Liu, J. Y.; Liu, K.; Liu, K. Y.; Liu, L.; Liu, M. H.; Liu, P. L.; Liu, Q.; Liu, Q.; Liu, S. B.; Liu, S.; Liu, T.; Liu, W. M.; Liu, X.; Liu, Y.; Liu, Y. B.; Liu, Z. A.; Liu, Z. Q.; Lou, X. C.; Lu, F. X.; Lu, H. J.; Lu, J. D.; Lu, J. G.; Lu, X. L.; Lu, Y.; Lu, Y. P.; Luo, C. L.; Luo, M. X.; Luo, P. W.; Luo, T.; Luo, X. L.; Lyu, X. R.; Ma, F. C.; Ma, H. L.; Ma, L. L.; Ma, M. M.; Ma, Q. M.; Ma, R. Q.; Ma, R. T.; Ma, X. X.; Ma, X. Y.; Maas, F. E.; Maggiora, M.; Maldaner, S.; Malde, S.; Malik, Q. A.; Mangoni, A.; Mao, Y. J.; Mao, Z. P.; Marcello, S.; Meng, Z. X.; Messchendorp, J. G.; Mezzadri, G.; Min, T. J.; Mitchell, R. E.; Mo, X. H.; Mo, Y. J.; Muchnoi, N. Yu.; Muramatsu, H.; Nakhoul, S.; Nefedov, Y.; Nerling, F.; Nikolaev, I. B.; Ning, Z.; Nisar, S.; Olsen, S. L.; Ouyang, Q.; Pacetti, S.; Pan, X.; Pan, Y.; Pathak, A.; Patteri, P.; Pelizaeus, M.; Peng, H. P.; Peters, K.; Pettersson, J.; Ping, J. L.; Ping, R. G.; Poling, R.; Prasad, V.; Qi, H.; Qi, H. R.; Qi, K. H.; Qi, M.; Qi, T. Y.; Qian, S.; Qian, W. B.; Qian, Z.; Qiao, C. F.; Qin, L. Q.; Qin, X. P.; Qin, X. S.; Qin, Z. H.; Qiu, J. F.; Qu, S. Q.; Rashid, K. H.; Ravindran, K.; Redmer, C. F.; Rivetti, A.; Rodin, V.; Rolo, M.; Rong, G.; Rosner, Ch.; Rump, M.; Sang, H. S.; Sarantsev, A.; Schelhaas, Y.; Schnier, C.; Schoenning, K.; Scodeggio, M.; Shan, D. C.; Shan, W.; Shan, X. Y.; Shangguan, J. F.; Shao, M.; Shen, C. P.; Shen, H. F.; Shen, P. X.; Shen, X. Y.; Shi, H. C.; Shi, R. S.; Shi, X.; Shi, X. D; Song, J. J.; Song, W. M.; Song, Y. X.; Sosio, S.; Spataro, S.; Su, K. X.; Su, P. P.; Sui, F. F.; Sun, G. X.; Sun, H. K.; Sun, J. F.; Sun, L.; Sun, S. S.; Sun, T.; Sun, W. Y.; Sun, W. Y.; Sun, X.; Sun, Y. J.; Sun, Y. K.; Sun, Y. Z.; Sun, Z. T.; Tan, Y. H.; Tan, Y. X.; Tang, C. J.; Tang, G. Y.; Tang, J.; Teng, J. X.; Thoren, V.; Tian, W. H.; Tian, Y. T.; Uman, I.; Wang, B.; Wang, C. W.; Wang, D. Y.; Wang, H. J.; Wang, H. P.; Wang, K.; Wang, L. L.; Wang, M.; Wang, M. Z.; Wang, M.; Wang, W.; Wang, W. H.; Wang, W. P.; Wang, X.; Wang, X. F.; Wang, X. L.; Wang, Y.; Wang, Y.; Wang, Y. D.; Wang, Y. F.; Wang, Y. Q.; Wang, Y. Y.; Wang, Z.; Wang, Z. Y.; Wang, Z.; Wang, Z.; Wei, D. H.; Weidner, F.; Wen, S. P.; White, D. J.; Wiedner, U.; Wilkinson, G.; Wolke, M.; Wollenberg, L.; Wu, J. F.; Wu, L. H.; Wu, L. J.; Wu, X.; Wu, Z.; Xia, L.; Xiao, H.; Xiao, S. Y.; Xiao, Z. J.; Xie, X. H.; Xie, Y. G.; Xie, Y. H.; Xing, T. Y.; Xu, G. F.; Xu, Q. J.; Xu, W.; Xu, X. P.; Xu, Y. C.; Yan, F.; Yan, L.; Yan, W. B.; Yan, W. C.; Yan, X.; Yang, H. J.; Yang, H. X.; Yang, L.; Yang, S. L.; Yang, Y. X.; Yang, Y.; Yang, Z.; Ye, M.; Ye, M. H.; Yin, J. H.; You, Z. Y.; Yu, B. X.; Yu, C. X.; Yu, G.; Yu, J. S.; Yu, T.; Yuan, C. Z.; Yuan, L.; Yuan, X. Q.; Yuan, Y.; Yuan, Z. Y.; Yue, C. X.; Yuncu, A.; Zafar, A. A.; Zeng, X.; Zeng, Y.; Zhang, A. Q.; Zhang, B. X.; Zhang, G.; Zhang, H.; Zhang, H. H.; Zhang, H. H.; Zhang, H. Y.; Zhang, J. J.; Zhang, J. L.; Zhang, J. Q.; Zhang, J. W.; Zhang, J. Y.; Zhang, J. Z.; Zhang, J.; Zhang, J.; Zhang, L. M.; Zhang, L. Q.; Zhang, L.; Zhang, S.; Zhang, S. F.; Zhang, S.; Zhang, X. D.; Zhang, X. Y.; Zhang, Y.; Zhang, Y. H.; Zhang, Y. T.; Zhang, Y.; Zhang, Y.; Zhang, Y.; Zhang, Z. H.; Zhang, Z. Y.; Zhao, G.; Zhao, J.; Zhao, J. Y.; Zhao, J. Z.; Zhao, L.; Zhao, L.; Zhao, M. G.; Zhao, Q.; Zhao, S. J.; Zhao, Y. B.; Zhao, Y. X.; Zhao, Z. G.; Zhemchugov, A.; Zheng, B.; Zheng, J. P.; Zheng, Y.; Zheng, Y. H.; Zhong, B.; Zhong, C.; Zhou, L. P.; Zhou, Q.; Zhou, X.; Zhou, X. K.; Zhou, X. R.; Zhou, X. Y.; Zhu, A. N.; Zhu, J.; Zhu, K.; Zhu, K. J.; Zhu, S. H.; Zhu, T. J.; Zhu, W. J.; Zhu, W. J.; Zhu, Y. C.; Zhu, Z. A.; Zou, B. S.; Zou, J. H.

doi:10.1007/JHEP06(2021)157

Search for the rare semi-leptonic decay J/ψ → D⁻e⁺ν_e + c.c.

Regular Article - Experimental Physics
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Published: 25 June 2021

Volume 2021, article number 157, (2021)
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Search for the rare semi-leptonic decay J/ψ → D⁻e⁺ν_e + c.c.

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The BESIII collaboration,
M. Ablikim¹,
M. N. Achasov^10,80,
P. Adlarson⁷³,
S. Ahmed¹⁵,
M. Albrecht⁴,
R. Aliberti³¹,
A. Amoroso^70,72,
M. R. An³⁵,
Q. An^67,52,
X. H. Bai⁶¹,
Y. Bai⁵¹,
O. Bakina³²,
R. Baldini Ferroli²³,
I. Balossino²⁶,
Y. Ban^41,87,
K. Begzsuren²⁹,
N. Berger³¹,
M. Bertani²³,
D. Bettoni²⁶,
F. Bianchi^70,72,
J. Bloms⁶⁴,
A. Bortone^70,72,
I. Boyko³²,
R. A. Briere⁵,
H. Cai⁷⁴,
X. Cai^1,52,
A. Calcaterra²³,
G. F. Cao^1,58,
N. Cao^1,58,
S. A. Cetin⁵⁶,
J. F. Chang^1,52,
W. L. Chang^1,58,
G. Chelkov^32,79,
D. Y. Chen⁶,
G. Chen¹,
H. S. Chen^1,58,
M. L. Chen^1,52,
S. J. Chen³⁸,
X. R. Chen²⁸,
Y. B. Chen^1,52,
Z. J Chen^20,88,
W. S. Cheng⁷²,
G. Cibinetto²⁶,
F. Cossio⁷²,
X. F. Cui³⁹,
H. L. Dai^1,52,
X. C. Dai^1,58,
A. Dbeyssi¹⁵,
R. E. de Boer⁴,
D. Dedovich³²,
Z. Y. Deng¹,
A. Denig³¹,
I. Denysenko³²,
M. Destefanis^70,72,
F. De Mori^70,72,
Y. Ding³⁶,
C. Dong³⁹,
J. Dong^1,52,
L. Y. Dong^1,58,
M. Y. Dong^1,52,58,
X. Dong⁷⁴,
S. X. Du⁷⁷,
Y. L. Fan⁷⁴,
J. Fang^1,52,
S. S. Fang^1,58,
Y. Fang¹,
R. Farinelli²⁶,
L. Fava^71,72,
F. Feldbauer⁴,
G. Felici²³,
C. Q. Feng^67,52,
J. H. Feng⁵³,
M. Fritsch⁴,
C. D. Fu¹,
Y. Gao^67,52,
Y. Gao^41,87,
Y. Gao⁶⁸,
Y. G. Gao⁶,
I. Garzia^26,27,
P. T. Ge⁷⁴,
C. Geng⁵³,
E. M. Gersabeck⁶²,
A. Gilman⁶⁵,
K. Goetzen¹¹,
L. Gong³⁶,
W. X. Gong^1,52,
W. Gradl³¹,
M. Greco^70,72,
L. M. Gu³⁸,
M. H. Gu^1,52,
S. Gu²,
Y. T. Gu¹³,
C. Y Guan^1,58,
A. Q. Guo²²,
L. B. Guo³⁷,
R. P. Guo⁴³,
Y. P. Guo^9,85,
A. Guskov^32,79,
T. T. Han⁴⁴,
W. Y. Han³⁵,
X. Q. Hao¹⁶,
F. A. Harris⁶⁰,
N. Hüsken^22,31,
K. L. He^1,58,
F. H. Heinsius⁴,
C. H. Heinz³¹,
T. Held⁴,
Y. K. Heng^1,52,58,
C. Herold⁵⁴,
M. Himmelreich^11,83,
T. Holtmann⁴,
G. Y. Hou^1,58,
Y. R. Hou⁵⁸,
Z. L. Hou¹,
H. M. Hu^1,58,
J. F. Hu^50,89,
T. Hu^1,52,58,
Y. Hu¹,
G. S. Huang^67,52,
L. Q. Huang⁶⁸,
X. T. Huang⁴⁴,
Y. P. Huang¹,
Z. Huang^41,87,
T. Hussain⁶⁹,
W. Ikegami Andersson⁷³,
W. Imoehl²²,
M. Irshad^67,52,
S. Jaeger⁴,
S. Janchiv^nAff29,
Q. Ji¹,
Q. P. Ji¹⁶,
X. B. Ji^1,58,
X. L. Ji^1,52,
Y. Y. Ji⁴⁴,
H. B. Jiang⁴⁴,
X. S. Jiang^1,52,58,
J. B. Jiao⁴⁴,
Z. Jiao¹⁸,
S. Jin³⁸,
Y. Jin⁶¹,
M. Q. Jing^1,58,
T. Johansson⁷³,
N. Kalantar-Nayestanaki⁵⁹,
X. S. Kang³⁶,
R. Kappert⁵⁹,
M. Kavatsyuk⁵⁹,
B. C. Ke^46,1,
I. K. Keshk⁴,
A. Khoukaz⁶⁴,
P. Kiese³¹,
R. Kiuchi¹,
R. Kliemt¹¹,
L. Koch³³,
O. B. Kolcu^56,82,
B. Kopf⁴,
M. Kuemmel⁴,
M. Kuessner⁴,
A. Kupsc⁷³,
M. G. Kurth^1,58,
W. Kühn³³,
J. J. Lane⁶²,
J. S. Lange³³,
P. Larin¹⁵,
A. Lavania²¹,
L. Lavezzi^70,72,
Z. H. Lei^67,52,
H. Leithoff³¹,
M. Lellmann³¹,
T. Lenz³¹,
C. Li⁴²,
C. H. Li³⁵,
C. Li^67,52,
D. M. Li⁷⁷,
F. Li^1,52,
G. Li¹,
H. Li^67,52,
H. Li⁴⁶,
H. B. Li^1,58,
H. J. Li¹⁶,
J. L. Li⁴⁴,
J. Q. Li⁴,
J. S. Li⁵³,
K. Li¹,
L. K. Li¹,
L. Li³,
P. R. Li^34,90,91,
S. Y. Li⁵⁵,
W. D. Li^1,58,
W. G. Li¹,
X. H. Li^67,52,
X. L. Li⁴⁴,
X. Li^1,58,
Z. Y. Li⁵³,
H. Liang^1,58,
H. Liang^67,52,
H. Liang³⁰,
Y. F. Liang⁴⁸,
Y. T. Liang²⁸,
G. R. Liao¹²,
L. Z. Liao^1,58,
J. Libby²¹,
C. X. Lin⁵³,
B. J. Liu¹,
C. X. Liu¹,
D. Liu^15,67,
F. H. Liu⁴⁷,
F. Liu¹,
F. Liu⁶,
H. B. Liu¹³,
H. M. Liu^1,58,
H. Liu¹,
H. Liu¹⁷,
J. B. Liu^67,52,
J. L. Liu⁶⁸,
J. Y. Liu^1,58,
K. Liu¹,
K. Y. Liu³⁶,
L. Liu^67,52,
M. H. Liu^9,85,
P. L. Liu¹,
Q. Liu⁵⁸,
Q. Liu⁷⁴,
S. B. Liu^67,52,
S. Liu⁴⁹,
T. Liu^1,58,
W. M. Liu^67,52,
X. Liu^34,90,91,
Y. Liu^34,90,91,
Y. B. Liu³⁹,
Z. A. Liu^1,52,58,
Z. Q. Liu⁴⁴,
X. C. Lou^1,52,58,
F. X. Lu⁵³,
H. J. Lu¹⁸,
J. D. Lu^1,58,
J. G. Lu^1,52,
X. L. Lu¹,
Y. Lu¹,
Y. P. Lu^1,52,
C. L. Luo³⁷,
M. X. Luo⁷⁶,
P. W. Luo⁵³,
T. Luo^9,85,
X. L. Luo^1,52,
X. R. Lyu⁵⁸,
F. C. Ma³⁶,
H. L. Ma¹,
L. L. Ma⁴⁴,
M. M. Ma^1,58,
Q. M. Ma¹,
R. Q. Ma^1,58,
R. T. Ma⁵⁸,
X. X. Ma^1,58,
X. Y. Ma^1,52,
F. E. Maas¹⁵,
M. Maggiora^70,72,
S. Maldaner⁴,
S. Malde⁶⁵,
Q. A. Malik⁶⁹,
A. Mangoni²⁴,
Y. J. Mao^41,87,
Z. P. Mao¹,
S. Marcello^70,72,
Z. X. Meng⁶¹,
J. G. Messchendorp⁵⁹,
G. Mezzadri²⁶,
T. J. Min³⁸,
R. E. Mitchell²²,
X. H. Mo^1,52,58,
Y. J. Mo⁶,
N. Yu. Muchnoi^10,80,
H. Muramatsu⁶³,
S. Nakhoul^11,83,
Y. Nefedov³²,
F. Nerling^11,83,
I. B. Nikolaev^10,80,
Z. Ning^1,52,
S. Nisar^8,86,
S. L. Olsen⁵⁸,
Q. Ouyang^1,52,58,
S. Pacetti^24,25,
X. Pan^9,85,
Y. Pan⁶²,
A. Pathak¹,
P. Patteri²³,
M. Pelizaeus⁴,
H. P. Peng^67,52,
K. Peters^11,83,
J. Pettersson⁷³,
J. L. Ping³⁷,
R. G. Ping^1,58,
R. Poling⁶³,
V. Prasad^67,52,
H. Qi^67,52,
H. R. Qi⁵⁵,
K. H. Qi²⁸,
M. Qi³⁸,
T. Y. Qi⁹,
S. Qian^1,52,
W. B. Qian⁵⁸,
Z. Qian⁵³,
C. F. Qiao⁵⁸,
L. Q. Qin¹²,
X. P. Qin⁹,
X. S. Qin⁴⁴,
Z. H. Qin^1,52,
J. F. Qiu¹,
S. Q. Qu³⁹,
K. H. Rashid⁶⁹,
K. Ravindran²¹,
C. F. Redmer³¹,
A. Rivetti⁷²,
V. Rodin⁵⁹,
M. Rolo⁷²,
G. Rong^1,58,
Ch. Rosner¹⁵,
M. Rump⁶⁴,
H. S. Sang⁶⁷,
A. Sarantsev^32,81,
Y. Schelhaas³¹,
C. Schnier⁴,
K. Schoenning⁷³,
M. Scodeggio^26,27,
D. C. Shan⁴⁹,
W. Shan¹⁹,
X. Y. Shan^67,52,
J. F. Shangguan⁴⁹,
M. Shao^67,52,
C. P. Shen⁹,
H. F. Shen^1,58,
P. X. Shen³⁹,
X. Y. Shen^1,58,
H. C. Shi^67,52,
R. S. Shi^1,58,
X. Shi^1,52,
X. D Shi^67,52,
J. J. Song⁴⁴,
W. M. Song^30,1,
Y. X. Song^41,87,
S. Sosio^70,72,
S. Spataro^70,72,
K. X. Su⁷⁴,
P. P. Su⁴⁹,
F. F. Sui⁴⁴,
G. X. Sun¹,
H. K. Sun¹,
J. F. Sun¹⁶,
L. Sun⁷⁴,
S. S. Sun^1,58,
T. Sun^1,58,
W. Y. Sun³⁰,
W. Y. Sun³⁷,
X. Sun^20,88,
Y. J. Sun^67,52,
Y. K. Sun^67,52,
Y. Z. Sun¹,
Z. T. Sun¹,
Y. H. Tan⁷⁴,
Y. X. Tan^67,52,
C. J. Tang⁴⁸,
G. Y. Tang¹,
J. Tang⁵³,
J. X. Teng^67,52,
V. Thoren⁷³,
W. H. Tian⁴⁶,
Y. T. Tian²⁸,
I. Uman⁵⁷,
B. Wang¹,
C. W. Wang³⁸,
D. Y. Wang^41,87,
H. J. Wang^34,90,91,
H. P. Wang^1,58,
K. Wang^1,52,
L. L. Wang¹,
M. Wang⁴⁴,
M. Z. Wang^41,87,
M. Wang^1,58,
W. Wang⁵³,
W. H. Wang⁷⁴,
W. P. Wang^67,52,
X. Wang^41,87,
X. F. Wang^34,90,91,
X. L. Wang^9,85,
Y. Wang⁵³,
Y. Wang^67,52,
Y. D. Wang⁴⁰,
Y. F. Wang^1,52,58,
Y. Q. Wang¹,
Y. Y. Wang^34,90,91,
Z. Wang^1,52,
Z. Y. Wang¹,
Z. Wang⁵⁸,
Z. Wang^1,58,
D. H. Wei¹²,
F. Weidner⁶⁴,
S. P. Wen¹,
D. J. White⁶²,
U. Wiedner⁴,
G. Wilkinson⁶⁵,
M. Wolke⁷³,
L. Wollenberg⁴,
J. F. Wu^1,58,
L. H. Wu¹,
L. J. Wu^1,58,
X. Wu^9,85,
Z. Wu^1,52,
L. Xia^67,52,
H. Xiao^9,85,
S. Y. Xiao¹,
Z. J. Xiao³⁷,
X. H. Xie^41,87,
Y. G. Xie^1,52,
Y. H. Xie⁶,
T. Y. Xing^1,58,
G. F. Xu¹,
Q. J. Xu¹⁴,
W. Xu^1,58,
X. P. Xu⁴⁹,
Y. C. Xu⁵⁸,
F. Yan^9,85,
L. Yan^9,85,
W. B. Yan^67,52,
W. C. Yan⁷⁷,
X. Yan⁴⁹,
H. J. Yang^45,84,
H. X. Yang¹,
L. Yang⁴⁶,
S. L. Yang⁵⁸,
Y. X. Yang¹²,
Y. Yang^1,58,
Z. Yang²⁸,
M. Ye^1,52,
M. H. Ye⁷,
J. H. Yin¹,
Z. Y. You⁵³,
B. X. Yu^1,52,58,
C. X. Yu³⁹,
G. Yu^1,58,
J. S. Yu^20,88,
T. Yu⁶⁸,
C. Z. Yuan^1,58,
L. Yuan²,
X. Q. Yuan^41,87,
Y. Yuan¹,
Z. Y. Yuan⁵³,
C. X. Yue³⁵,
A. Yuncu^56,78,
A. A. Zafar⁶⁹,
X. Zeng⁶,
Y. Zeng^20,88,
A. Q. Zhang¹,
B. X. Zhang¹,
G. Zhang¹⁶,
H. Zhang⁶⁷,
H. H. Zhang³⁰,
H. H. Zhang⁵³,
H. Y. Zhang^1,52,
J. J. Zhang⁴⁶,
J. L. Zhang⁷⁵,
J. Q. Zhang³⁷,
J. W. Zhang^1,52,58,
J. Y. Zhang¹,
J. Z. Zhang^1,58,
J. Zhang^1,58,
J. Zhang^1,58,
L. M. Zhang⁵⁵,
L. Q. Zhang⁵³,
L. Zhang³⁸,
S. Zhang⁵³,
S. F. Zhang³⁸,
S. Zhang^20,88,
X. D. Zhang⁴⁰,
X. Y. Zhang⁴⁴,
Y. Zhang⁶⁵,
Y. H. Zhang^1,52,
Y. T. Zhang^67,52,
Y. Zhang^67,52,
Y. Zhang¹,
Y. Zhang^9,85,
Z. H. Zhang⁶,
Z. Y. Zhang⁷⁴,
G. Zhao¹,
J. Zhao³⁵,
J. Y. Zhao^1,58,
J. Z. Zhao^1,52,
L. Zhao^67,52,
L. Zhao¹,
M. G. Zhao³⁹,
Q. Zhao¹,
S. J. Zhao⁷⁷,
Y. B. Zhao^1,52,
Y. X. Zhao²⁸,
Z. G. Zhao^67,52,
A. Zhemchugov^32,79,
B. Zheng⁶⁸,
J. P. Zheng^1,52,
Y. Zheng^41,87,
Y. H. Zheng⁵⁸,
B. Zhong³⁷,
C. Zhong⁶⁸,
L. P. Zhou^1,58,
Q. Zhou^1,58,
X. Zhou⁷⁴,
X. K. Zhou⁵⁸,
X. R. Zhou^67,52,
X. Y. Zhou³⁵,
A. N. Zhu^1,58,
J. Zhu³⁹,
K. Zhu¹,
K. J. Zhu^1,52,58,
S. H. Zhu⁶⁶,
T. J. Zhu⁷⁵,
W. J. Zhu^9,85,
W. J. Zhu³⁹,
Y. C. Zhu^67,52,
Z. A. Zhu^1,58,
B. S. Zou¹ &
…
J. H. Zou¹

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A preprint version of the article is available at arXiv.

Abstract

Using 10.1 × 10⁹ J/ψ events produced by the Beijing Electron Positron Collider (BEPCII) at a center-of-mass energy \( \sqrt{s} \) = 3.097 GeV and collected with the BESIII detector, we present a search for the rare semi-leptonic decay J/ψ → D⁻e⁺ν_e + c.c. No excess of signal above background is observed, and an upper limit on the branching fraction ℬ(J/ψ → D⁻e⁺ν_e + c. c.) < 7.1 × 10⁻⁸ is obtained at 90% confidence level. This is an improvement of more than two orders of magnitude over the previous best limit.

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S. Janchiv
Present address: Institute of Physics and Technology, Peace Ave. 54B, Ulaanbaatar, 13330, Mongolia

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Institute of High Energy Physics, Beijing, 100049, People’s Republic of China
M. Ablikim, X. Cai, G. F. Cao, N. Cao, J. F. Chang, W. L. Chang, G. Chen, H. S. Chen, M. L. Chen, Y. B. Chen, H. L. Dai, X. C. Dai, Z. Y. Deng, J. Dong, L. Y. Dong, M. Y. Dong, J. Fang, S. S. Fang, Y. Fang, C. D. Fu, W. X. Gong, M. H. Gu, C. Y Guan, K. L. He, Y. K. Heng, G. Y. Hou, Z. L. Hou, H. M. Hu, T. Hu, Y. Hu, Y. P. Huang, Q. Ji, X. B. Ji, X. L. Ji, X. S. Jiang, M. Q. Jing, B. C. Ke, R. Kiuchi, M. G. Kurth, F. Li, G. Li, H. B. Li, K. Li, L. K. Li, W. D. Li, W. G. Li, X. Li, H. Liang, L. Z. Liao, B. J. Liu, C. X. Liu, F. Liu, H. M. Liu, H. Liu, J. Y. Liu, K. Liu, P. L. Liu, T. Liu, Z. A. Liu, X. C. Lou, J. D. Lu, J. G. Lu, X. L. Lu, Y. Lu, Y. P. Lu, X. L. Luo, H. L. Ma, M. M. Ma, Q. M. Ma, R. Q. Ma, X. X. Ma, X. Y. Ma, Z. P. Mao, X. H. Mo, Z. Ning, Q. Ouyang, A. Pathak, R. G. Ping, S. Qian, Z. H. Qin, J. F. Qiu, G. Rong, H. F. Shen, X. Y. Shen, R. S. Shi, X. Shi, W. M. Song, G. X. Sun, H. K. Sun, S. S. Sun, T. Sun, Y. Z. Sun, Z. T. Sun, G. Y. Tang, B. Wang, H. P. Wang, K. Wang, L. L. Wang, M. Wang, Y. F. Wang, Y. Q. Wang, Z. Wang, Z. Y. Wang, Z. Wang, S. P. Wen, J. F. Wu, L. H. Wu, L. J. Wu, Z. Wu, S. Y. Xiao, Y. G. Xie, T. Y. Xing, G. F. Xu, W. Xu, H. X. Yang, Y. Yang, M. Ye, J. H. Yin, B. X. Yu, G. Yu, C. Z. Yuan, Y. Yuan, A. Q. Zhang, B. X. Zhang, H. Y. Zhang, J. W. Zhang, J. Y. Zhang, J. Z. Zhang, J. Zhang, J. Zhang, Y. H. Zhang, Y. Zhang, G. Zhao, J. Y. Zhao, J. Z. Zhao, L. Zhao, Q. Zhao, Y. B. Zhao, J. P. Zheng, L. P. Zhou, Q. Zhou, A. N. Zhu, K. Zhu, K. J. Zhu, Z. A. Zhu, B. S. Zou & J. H. Zou
Beihang University, Beijing, 100191, People’s Republic of China
S. Gu & L. Yuan
Beijing Institute of Petrochemical Technology, Beijing, 102617, People’s Republic of China
L. Li
Bochum Ruhr-University, D-44780, Bochum, Germany
M. Albrecht, R. E. de Boer, F. Feldbauer, M. Fritsch, F. H. Heinsius, T. Held, T. Holtmann, S. Jaeger, I. K. Keshk, B. Kopf, M. Kuemmel, M. Kuessner, J. Q. Li, S. Maldaner, M. Pelizaeus, C. Schnier, U. Wiedner & L. Wollenberg
Carnegie Mellon University, Pittsburgh, Pennsylvania, 15213, U.S.A.
R. A. Briere
Central China Normal University, Wuhan, 430079, People’s Republic of China
D. Y. Chen, Y. G. Gao, F. Liu, Y. J. Mo, Y. H. Xie, X. Zeng & Z. H. Zhang
China Center of Advanced Science and Technology, Beijing, 100190, People’s Republic of China
M. H. Ye
COMSATS University Islamabad, Lahore Campus, Defence Road, Off Raiwind Road, Lahore, 54000, Pakistan
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Fudan University, Shanghai, 200443, People’s Republic of China
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G.I. Budker Institute of Nuclear Physics SB RAS (BINP), Novosibirsk, 630090, Russia
M. N. Achasov, N. Yu. Muchnoi & I. B. Nikolaev
GSI Helmholtzcentre for Heavy Ion Research GmbH, D-64291, Darmstadt, Germany
K. Goetzen, M. Himmelreich, R. Kliemt, S. Nakhoul, F. Nerling & K. Peters
Guangxi Normal University, Guilin, 541004, People’s Republic of China
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Guangxi University, Nanning, 530004, People’s Republic of China
Y. T. Gu & H. B. Liu
Hangzhou Normal University, Hangzhou, 310036, People’s Republic of China
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Helmholtz Institute Mainz, Staudinger Weg 18, D-55099, Mainz, Germany
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Henan Normal University, Xinxiang, 453007, People’s Republic of China
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Henan University of Science and Technology, Luoyang, 471003, People’s Republic of China
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Huangshan College, Huangshan, 245000, People’s Republic of China
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Hunan Normal University, Changsha, 410081, People’s Republic of China
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Hunan University, Changsha, 410082, People’s Republic of China
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Indian Institute of Technology Madras, Chennai, 600036, India
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Indiana University, Bloomington, Indiana, 47405, U.S.A.
A. Q. Guo, N. Hüsken, W. Imoehl & R. E. Mitchell
INFN Laboratori Nazionali di Frascati, I-00044, Frascati, Italy
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INFN Sezione di Perugia, I-06100, Perugia, Italy
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University of Perugia, I-06100, Perugia, Italy
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INFN Sezione di Ferrara, I-44122, Ferrara, Italy
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University of Ferrara, I-44122, Ferrara, Italy
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Institute of Modern Physics, Lanzhou, 730000, People’s Republic of China
X. R. Chen, Y. T. Liang, K. H. Qi, Y. T. Tian, Z. Yang & Y. X. Zhao
Institute of Physics and Technology, Peace Ave. 54B, Ulaanbaatar, 13330, Mongolia
K. Begzsuren
Jilin University, Changchun, 130012, People’s Republic of China
H. Liang, W. M. Song, W. Y. Sun & H. H. Zhang
Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099, Mainz, Germany
R. Aliberti, N. Berger, A. Denig, W. Gradl, N. Hüsken, C. H. Heinz, P. Kiese, H. Leithoff, M. Lellmann, T. Lenz, C. F. Redmer & Y. Schelhaas
Joint Institute for Nuclear Research, 141980, Dubna, Moscow region, Russia
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Justus-Liebig-Universitaet Giessen, II. Physikalisches Institut, Heinrich-Buff-Ring 16, D-35392, Giessen, Germany
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Lanzhou University, Lanzhou, 730000, People’s Republic of China
P. R. Li, X. Liu, Y. Liu, H. J. Wang, X. F. Wang & Y. Y. Wang
Liaoning Normal University, Dalian, 116029, People’s Republic of China
M. R. An, W. Y. Han, C. H. Li, C. X. Yue, J. Zhao & X. Y. Zhou
Liaoning University, Shenyang, 110036, People’s Republic of China
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Nanjing Normal University, Nanjing, 210023, People’s Republic of China
L. B. Guo, C. L. Luo, J. L. Ping, W. Y. Sun, Z. J. Xiao, J. Q. Zhang & B. Zhong
Nanjing University, Nanjing, 210093, People’s Republic of China
S. J. Chen, L. M. Gu, S. Jin, T. J. Min, M. Qi, C. W. Wang, L. Zhang & S. F. Zhang
Nankai University, Tianjin, 300071, People’s Republic of China
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North China Electric Power University, Beijing, 102206, People’s Republic of China
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Peking University, Beijing, 100871, People’s Republic of China
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Qufu Normal University, Qufu, 273165, People’s Republic of China
C. Li
Shandong Normal University, Jinan, 250014, People’s Republic of China
R. P. Guo
Shandong University, Jinan, 250100, People’s Republic of China
T. T. Han, X. T. Huang, Y. Y. Ji, H. B. Jiang, J. B. Jiao, J. L. Li, X. L. Li, Z. Q. Liu, L. L. Ma, X. S. Qin, J. J. Song, F. F. Sui, M. Wang & X. Y. Zhang
Shanghai Jiao Tong University, Shanghai, 200240, People’s Republic of China
H. J. Yang
Shanxi Normal University, Linfen, 041004, People’s Republic of China
B. C. Ke, H. Li, W. H. Tian, L. Yang & J. J. Zhang
Shanxi University, Taiyuan, 030006, People’s Republic of China
F. H. Liu
Sichuan University, Chengdu, 610064, People’s Republic of China
Y. F. Liang & C. J. Tang
Soochow University, Suzhou, 215006, People’s Republic of China
S. Liu, D. C. Shan, J. F. Shangguan, P. P. Su, X. P. Xu & X. Yan
South China Normal University, Guangzhou, 510006, People’s Republic of China
J. F. Hu
Southeast University, Nanjing, 211100, People’s Republic of China
Y. Bai
State Key Laboratory of Particle Detection and Electronics, Beijing, 100049, Hefei, 230026, People’s Republic of China
Q. An, X. Cai, J. F. Chang, M. L. Chen, Y. B. Chen, H. L. Dai, J. Dong, M. Y. Dong, J. Fang, C. Q. Feng, Y. Gao, W. X. Gong, M. H. Gu, Y. K. Heng, T. Hu, G. S. Huang, M. Irshad, X. L. Ji, X. S. Jiang, Z. H. Lei, C. Li, F. Li, H. Li, X. H. Li, H. Liang, J. B. Liu, L. Liu, S. B. Liu, W. M. Liu, Z. A. Liu, X. C. Lou, J. G. Lu, Y. P. Lu, X. L. Luo, X. Y. Ma, X. H. Mo, Z. Ning, Q. Ouyang, H. P. Peng, V. Prasad, H. Qi, S. Qian, Z. H. Qin, X. Y. Shan, M. Shao, H. C. Shi, X. Shi, X. D Shi, Y. J. Sun, Y. K. Sun, Y. X. Tan, J. X. Teng, K. Wang, W. P. Wang, Y. Wang, Y. F. Wang, Z. Wang, Z. Wu, L. Xia, Y. G. Xie, W. B. Yan, M. Ye, B. X. Yu, H. Y. Zhang, J. W. Zhang, Y. H. Zhang, Y. T. Zhang, Y. Zhang, J. Z. Zhao, L. Zhao, Y. B. Zhao, Z. G. Zhao, J. P. Zheng, X. R. Zhou, K. J. Zhu & Y. C. Zhu
Sun Yat-Sen University, Guangzhou, 510275, People’s Republic of China
J. H. Feng, C. Geng, J. S. Li, Z. Y. Li, C. X. Lin, F. X. Lu, P. W. Luo, Z. Qian, J. Tang, W. Wang, Y. Wang, Z. Y. You, Z. Y. Yuan, H. H. Zhang, L. Q. Zhang & S. Zhang
Suranaree University of Technology, University Avenue 111, Nakhon Ratchasima, 30000, Thailand
C. Herold
Tsinghua University, Beijing, 100084, People’s Republic of China
S. Y. Li, H. R. Qi & L. M. Zhang
Turkish Accelerator Center Particle Factory Group, Istanbul Bilgi University, 34060, Eyup, Istanbul, Turkey
S. A. Cetin, O. B. Kolcu & A. Yuncu
Near East University, Nicosia, North Cyprus, Mersin 10, Turkey
I. Uman
University of Chinese Academy of Sciences, Beijing, 100049, People’s Republic of China
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University of Groningen, NL-9747 AA, Groningen, The Netherlands
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University of Hawaii, Honolulu, Hawaii, 96822, U.S.A.
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University of Jinan, Jinan, 250022, People’s Republic of China
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University of Manchester, Oxford Road, Manchester, M13 9PL, U.K.
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University of Minnesota, Minneapolis, Minnesota, 55455, U.S.A.
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University of Muenster, Wilhelm-Klemm-Str. 9, 48149, Muenster, Germany
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University of Oxford, Keble Rd, Oxford, U.K., OX13RH
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University of Science and Technology Liaoning, Anshan, 114051, People’s Republic of China
S. H. Zhu
University of Science and Technology of China, Hefei, 230026, People’s Republic of China
Q. An, C. Q. Feng, Y. Gao, G. S. Huang, M. Irshad, Z. H. Lei, C. Li, H. Li, X. H. Li, H. Liang, D. Liu, J. B. Liu, L. Liu, S. B. Liu, W. M. Liu, H. P. Peng, V. Prasad, H. Qi, H. S. Sang, X. Y. Shan, M. Shao, H. C. Shi, X. D Shi, Y. J. Sun, Y. K. Sun, Y. X. Tan, J. X. Teng, W. P. Wang, Y. Wang, L. Xia, W. B. Yan, H. Zhang, Y. T. Zhang, Y. Zhang, L. Zhao, Z. G. Zhao, X. R. Zhou & Y. C. Zhu
University of South China, Hengyang, 421001, People’s Republic of China
Y. Gao, L. Q. Huang, J. L. Liu, T. Yu, B. Zheng & C. Zhong
University of the Punjab, Lahore, 54590, Pakistan
T. Hussain, Q. A. Malik, K. H. Rashid & A. A. Zafar
University of Turin, I-10125, Turin, Italy
A. Amoroso, F. Bianchi, A. Bortone, M. Destefanis, F. De Mori, M. Greco, L. Lavezzi, M. Maggiora, S. Marcello, S. Sosio & S. Spataro
University of Eastern Piedmont, I-15121, Alessandria, Italy
L. Fava
INFN, I-10125, Turin, Italy
A. Amoroso, F. Bianchi, A. Bortone, W. S. Cheng, F. Cossio, M. Destefanis, F. De Mori, L. Fava, M. Greco, L. Lavezzi, M. Maggiora, S. Marcello, A. Rivetti, M. Rolo, S. Sosio & S. Spataro
Uppsala University, Box 516, SE-75120, Uppsala, Sweden
P. Adlarson, W. Ikegami Andersson, T. Johansson, A. Kupsc, J. Pettersson, K. Schoenning, V. Thoren & M. Wolke
Wuhan University, Wuhan, 430072, People’s Republic of China
H. Cai, X. Dong, Y. L. Fan, P. T. Ge, Q. Liu, K. X. Su, L. Sun, Y. H. Tan, W. H. Wang, Z. Y. Zhang & X. Zhou
Xinyang Normal University, Xinyang, 464000, People’s Republic of China
J. L. Zhang & T. J. Zhu
Zhejiang University, Hangzhou, 310027, People’s Republic of China
M. X. Luo
Zhengzhou University, Zhengzhou, 450001, People’s Republic of China
S. X. Du, D. M. Li, W. C. Yan & S. J. Zhao
Bogazici University, 34342, Istanbul, Turkey
A. Yuncu
Moscow Institute of Physics and Technology, Moscow, 141700, Russia
G. Chelkov, A. Guskov & A. Zhemchugov
Novosibirsk State University, Novosibirsk, 630090, Russia
M. N. Achasov, N. Yu. Muchnoi & I. B. Nikolaev
NRC “Kurchatov Institute”, PNPI, Gatchina, 188300, Russia
A. Sarantsev
Istanbul Arel University, 34295, Istanbul, Turkey
O. B. Kolcu
Goethe University Frankfurt, 60323, Frankfurt am Main, Germany
M. Himmelreich, S. Nakhoul, F. Nerling & K. Peters
Key Laboratory for Particle Physics, Astrophysics and Cosmology, Ministry of Education; Shanghai Key Laboratory for Particle Physics and Cosmology; Institute of Nuclear and Particle Physics, Shanghai, 200240, People’s Republic of China
H. J. Yang
Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) and Institute of Modern Physics, Fudan University, Shanghai, 200443, People’s Republic of China
Y. P. Guo, M. H. Liu, T. Luo, X. Pan, X. L. Wang, X. Wu, H. Xiao, F. Yan, L. Yan, Y. Zhang & W. J. Zhu
Harvard University, Department of Physics, Cambridge, MA, 02138, U.S.A.
S. Nisar
State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing, 100871, People’s Republic of China
Y. Ban, Y. Gao, Z. Huang, Y. J. Mao, Y. X. Song, D. Y. Wang, M. Z. Wang, X. Wang, X. H. Xie, X. Q. Yuan & Y. Zheng
School of Physics and Electronics, Hunan University, Changsha, 410082, China
Z. J Chen, X. Sun, J. S. Yu, Y. Zeng & S. Zhang
Guangdong Provincial Key Laboratory of Nuclear Science, Institute of Quantum Matter, South China Normal University, Guangzhou, 510006, China
J. F. Hu
Frontier Science Center for Rare Isotopes, Lanzhou University, Lanzhou, 730000, People’s Republic of China
P. R. Li, X. Liu, Y. Liu, H. J. Wang, X. F. Wang & Y. Y. Wang
Lanzhou Center for Theoretical Physics, Lanzhou University, Lanzhou, 730000, People’s Republic of China
P. R. Li, X. Liu, Y. Liu, H. J. Wang, X. F. Wang & Y. Y. Wang

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Search for the rare semi-leptonic decay J/ψ → D⁻e⁺ν_e + c.c.

Abstract

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Search for the semi-muonic charmonium decay J/ψ → D⁻μ⁺ν_μ + c.c.

Measurement of the branching fraction of J/ψ → ρπ at KEDR

Search for the decay h_c → π⁰J/ψ

References

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Search for the rare semi-leptonic decay J/ψ → D−e+νe + c.c.

Abstract

Article PDF

Similar content being viewed by others

Search for the semi-muonic charmonium decay J/ψ → D−μ+νμ + c.c.

Measurement of the branching fraction of J/ψ → ρπ at KEDR

Search for the decay hc → π0J/ψ

References

Author information

Authors and Affiliations

Search for the rare semi-leptonic decay J/ψ → D⁻e⁺ν_e + c.c.

Search for the semi-muonic charmonium decay J/ψ → D⁻μ⁺ν_μ + c.c.

Search for the decay h_c → π⁰J/ψ