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Measurement of cross section for e(+)e(-) -> Xi(0)(Xi)over-bar(0) near threshold

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成果类型:
期刊论文
作者:
Ablikim, M.*;Achasov, M. N.;Adlarson, P.;Ahmed, S.;Albrecht, M.;...
通讯作者:
Ablikim, M.
作者机构:
[Yu, B. X.; Dai, X. C.; Yu, G.; Li, Xiaoyu; Hu, T.; Ning, Z.; Wen, S. P.; Shi, X.; Sun, G. X.; Ma, M. M.; Zhao, Ling; Zhu, Z. A.; Xu, G. F.; Wang, K.; Zhou, L. P.; Heng, Y. K.; Ji, Q.; Zhang, J. W.; Rong, G.; Guan, C. Y.; Zhou, Q.; Li, H. J.; Wang, Y. F.; Wang, L. L.; Lu, Y.; Ouyang, Q.; Ji, X. B.; Qian, S.; Dong, M. Y.; Zhang, Jiawei; Fang, S. S.; Chang, J. F.; Wang, Zongyuan; Liu, Z. A.; Lin, C. X.; Ke, B. C.; Wu, J. F.; Sun, S. S.; Fu, C. D.; Lou, X. C.; Zhang, B. X.; Xing, T. Y.; Cao, G. F.; Wu, L. H.; Zhao, Y. B.; Zheng, J. P.; Jiang, X. S.; Kiuchi, R.; Gu, M. H.; Lu, Y. P.; Dong, L. Y.; Zhao, G.; Wu, L. J.; Yang, Yifan; Yuan, Y.; Lu, X. L.; Wu, Z.; Fang, Y.; Luo, X. L.; Liang, Y. F.; Ji, X. L.; Zhu, A. N.; Li, L. K.; Huang, Y. P.; Zhang, J. Y.; Yin, J. H.; Liu, Huanhuan; Song, W. M.; Zhang, J. Z.; He, K. L.; Chen, G.; Ablikim, M.; Liu, C. X.; Chang, W. L.; Zhu, K.; Kurth, M. G.; Zhao, J. Z.; Mao, Z. P.; Zhao, Q.; Xiao, S. Y.; Lu, J. G.; Liu, P. L.; Jing, M. Q.; Sun, H. K.; Chen, Y. B.; Wang, Z.; Liu, Fang; Zhao, J. Y.; Dong, J.; Liu, K.; Wang, H. P.; Yuan, C. Z.; Wang, Y.; Tang, G. Y.; Chen, M. L.; Hou, G. Y.; Shen, H. F.; Hou, Z. L.; Sun, Y. Z.; Liu, B. J.; Li, Ke; Zhu, K. J.; Liu, H. M.; Ma, H. L.; Sun, T.; Ye, M.; Xie, Y. G.; Lu, J. D.; Zou, B. S.; Chen, H. S.; Cao, N.; Deng, Z. Y.; Ma, Q. M.; Wang, Z. Y.; Cai, X.; Zhang, Y. H.; Ma, R. Q.; Shi, R. S.; Zou, J. H.; Zhang, Yao; Liu, J. Y.; Li, W. G.; Wang, Y. Q.; Mo, X. H.; Fang, J.; Ma, X. X.; Shen, X. Y.; Sun, Z. T.; Liu, T.; Ma, X. Y.; Hu, H. M.; Gong, W. X.; Xu, W.; Hu, Y.; Wang, B.; Wang, Meng; Zhang, Jianyu; Li, F.; Pathak, A.; Yang, H. X.; Qin, Z. H.; Li, G.; Ping, R. G.; Wang, X. L.; Qiu, J. F.; Zhang, J. J.; Dai, H. L.; Li, W. D.] Inst High Energy Phys, Beijing 100049, Peoples R China.
[Yuncu, A.] Bogazici Univ, TR-34342 Istanbul, Turkey.
[Guskov, A.; Chelkov, G.; Zhemchugov, A.] Moscow Inst Phys & Technol, Moscow 141700, Russia.
[Nikolaev, I. B.; Muchnoi, N. Yu] Novosibirsk State Univ, Novosibirsk 630090, Russia.
[Sarantsev, A.] PNPI, NRC, Kurchatov Inst, Gatchina 188300, Russia.
通讯机构:
[Ablikim, M.] I
Inst High Energy Phys, Beijing 100049, Peoples R China.
语种:
英文
关键词:
Born cross section;Effective form factor;Threshold effect
期刊:
Physics Letters B
ISSN:
0370-2693
年:
2021
卷:
820
基金类别:
National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC) [11625523, 11635010, 11735014, 11822506, 11835012, 11905236, 11935015, 11935016, 11935018, 11961141012, 12022510, 12035009, 12035013, 12047501, 12061131003, 12075107]; Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility ProgramChinese Academy of Sciences; Joint Large-Scale Scientific Facility Funds of the NSFC; CASChinese Academy of Sciences [U1732263, U1832207]; CAS Key Research Program of Frontier Sci-ences [QYZDJ-SSW-SLH040]; 100 Talents Pro-gram of CASChinese Academy of Sciences; Shanghai Key Laboratory for ParticlePhysics and Cosmology; ERCEuropean Research Council (ERC)European Commission [758462]; Euro-pean UnionEuropean Commission [894790]; German Research Foundation DFGGerman Research Foundation (DFG) [443159800, CRC 1044, FOR 2359, GRK 214]; Istituto Nazionale di Fisica Nucleare, ItalyIstituto Nazionale di Fisica Nucleare (INFN); Ministry of Development of TurkeyTurkiye Cumhuriyeti Kalkinma Bakanligi [DPT2006K-120470]; National Science and Technology fund; Olle Engkvist Foundation [200-0605]; STFC (United Kingdom)UK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC); Knut and Alice Wallenberg Foundation (Sweden)Knut & Alice Wallenberg Foundation [2016.0157]; Royal Society, UKRoyal Society of London [DH140054, DH160214]; Swedish Research CouncilSwedish Research CouncilEuropean Commission; U.S. Department of EnergyUnited States Department of Energy (DOE) [DE-FG02-05ER41374, DE-SC-0012069]; INPAC; National Key Research and Development Program of China [2020YFA0406400, 2020YFA0406403, 2020YFA0406300]
机构署名:
本校为其他机构
摘要:
Using e(+)e(-) collision data at ten center-of-mass energies between 2.644 and 3.080 GeV collected with the BESIII detector at BEPCII and corresponding to an integrated luminosity of about 500 pb(-1), we measure the cross sections and effective form factors for the process e(+)e(-) -> Xi(0)(Xi) over bar (0) utilizing a single-tag method. A fit to the cross section of e(+)e(-) -> Xi(0)(Xi) over bar (0) with a pQCD-driven power function is performed, from which no significant resonance or threshold enhancement is observed. In addition, the ratio of cross sections for the processes e(+)e(-) -> Xi...

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