Observation of a Threshold Enhancement in the 𝜋+⁢𝜋− Spectrum in 𝜓⁡(3686)→𝜋+⁢𝜋−⁢𝐽/𝜓 Decays

Journal:

Physical Review Letters

Published:

2026-04-08

DOI:

10.1103/5h6z-p6nl

Affiliations:

91

Authors:

680

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Institutions	Authors	Share
Institute of High Energy Physics (IHEP), CAS, China	97.666667 97.666667 97.666667 97.666667 97.666667 97.666667 97.666667 97.666667 97.666667 97.666667	0.14
University of Chinese Academy of Sciences (UCAS), China	60.166667 60.166667 60.166667 60.166667 60.166667 60.166667 60.166667	0.09
State Key Laboratory of Particle Detection and Electronics, China	39.666667 39.666667 39.666667 39.666667	0.06
Fudan University, China	28.000000 28.000000 28.000000	0.04
Henan Normal University, China	25.333333 25.333333 25.333333	0.04
Lanzhou University (LZU), China	23.500000 23.500000 23.500000	0.03
Nankai University (NKU), China	22.333333 22.333333 22.333333	0.03
Sun Yat-sen University (SYSU), China	21.833333 21.833333 21.833333	0.03
University of Science and Technology of China (USTC), China	21.000000 21.000000 21.000000	0.03
Shandong University (SDU), China	20.833333 20.833333 20.833333	0.03
Johannes Gutenberg University Mainz (JGU), Germany	14.500000 14.500000	0.02
Nanjing University (NJU), China	14.000000 14.000000	0.02
Jilin University (JLU), China	14.000000 14.000000	0.02
Wuhan University (WHU), China	13.000000 13.000000	0.02
University of South China (USC), China	13.000000 13.000000	0.02
Peking University (PKU), China	12.500000 12.500000	0.02
Zhengzhou University (ZZU), China	11.833333 11.833333	0.02
INFN Section in Torino, Italy	11.833333 11.833333	0.02
Joint Institute for Nuclear Research (JINR), Russia	9.000000	0.01
Ruhr University Bochum (RUB), Germany	9.000000	0.01
Institute of Modern Physics (IMP), CAS, China	7.500000	0.01
Tsinghua University, China	7.000000	0.01
University of Oxford, United Kingdom (UK)	7.000000	0.01
Nanjing Normal University (NNU), China	7.000000	0.01
Soochow University, China	6.500000	0.01
China University of Geosciences (CUG), China	6.000000	0.01
University of Bristol (UoB), United Kingdom (UK)	6.000000	0.01
Liaoning University (LNU), China	6.000000	0.01
Hunan University (HNU), China	6.000000	0.01
Liaoning Normal University (LNNU), China	6.000000	0.01
INFN Section in Ferrara, Italy	5.500000	0.01
North China Electric Power University (NCEPU), China	5.000000	0.01
Indiana University Bloomington (IUB), United States of America (USA)	5.000000	0.01
Central China Normal University (CCNU), China	5.000000	0.01
Uppsala University (UU), Sweden	4.500000	0.01
University of Münster (WWU), Germany	4.000000	0.01
Henan University (HENU), China	4.000000	0.01
Helmholtz Institute Mainz (HIM), Germany	4.000000	0.01
Inner Mongolia University, China	4.000000	0.01
South China Normal University (SCNU), China	4.000000	0.01
University of Turin (UNITO), Italy	3.666667	0.01
China Center of Advanced Science and Technology (CCAST), China	3.333333	0.00
Southeast University (SEU), China	3.000000	0.00
National Centre for Nuclear Research (NCBJ), Poland	3.000000	0.00
INFN Frascati National Laboratory (LNF), Italy	3.000000	0.00
Guangxi University of Science and Technology (GXUST), China	3.000000	0.00
Helmholtz Centre for Heavy Ion Research GmbH (GSI), Germany	3.000000	0.00
University of the Punjab, Pakistan	3.000000	0.00
University of Jinan (UJN), China	3.000000	0.00
Guangxi Normal University (GXNU), China	3.000000	0.00
Henan University of Technology (HAUT), China	3.000000	0.00
Beihang University (BUAA), China	3.000000	0.00
Chung-Ang University (CAU), South Korea	2.500000	0.00
G.I. Budker Institute of Nuclear Physics (INP), SB RAS, Russia	2.000000	0.00
Yunnan University (YNU), China	2.000000	0.00
Suranaree University of Technology (SUT), Thailand	2.000000	0.00
Huangshan University, China	2.000000	0.00
University of Groningen (RUG), Netherlands	2.000000	0.00
Indian Institute of Technology Madras (IIT Madras), India	2.000000	0.00
Hebei University (HBU), China	2.000000	0.00
Sichuan University (SCU), China	2.000000	0.00
Hangzhou Normal University (HZNU), China	2.000000	0.00
Shanghai Jiao Tong University (SJTU), China	2.000000	0.00
Yantai University (YTU), China	2.000000	0.00
University of Ferrara (UNIFE), Italy	1.500000	0.00
Institute of Physics and Technology, MAS, Mongolia	1.000000	0.00
Carnegie Mellon University (CMU), United States of America (USA)	1.000000	0.00
Turkish Accelerator Center (TAC), Turkey	1.000000	0.00
Istinye University (ISU), Turkey	1.000000	0.00
The University of Manchester (UoM), United Kingdom (UK)	1.000000	0.00
Shandong Normal University (SDNU), China	1.000000	0.00
University of Hawai'i at Manoa (UH Mānoa), United States of America (USA)	1.000000	0.00
University of Tarapacá (UTA), Chile	1.000000	0.00
Giessen University (JLU), Germany	1.000000	0.00
Renmin University of China (RUC), China	1.000000	0.00
Shanxi University (SXU), China	1.000000	0.00
Guangxi University (GXU), China	1.000000	0.00
Henan University of Science and Technology (HAUST), China	1.000000	0.00
Central South University (CSU), China	1.000000	0.00
Zhejiang University (ZJU), China	1.000000	0.00
COMSATS University Islamabad (CUI), Pakistan	1.000000	0.00
INFN Section in Perugia, Italy	1.000000	0.00
University of Perugia, Italy	1.000000	0.00
Hunan Normal University (HUNNU), China	1.000000	0.00
Near East University (NEU), Turkey	1.000000	0.00
Hengyang Normal University (HYNU), China	1.000000	0.00
Shanxi Normal University (SXNU), China	1.000000	0.00
University of Science and Technology Liaoning (USTL), China	1.000000	0.00
University of Eastern Piedmont "Amedeo Avogadro" (UPO), Italy	0.500000	0.00
Qufu Normal University (QFNU), China	0.500000	0.00

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