Measurements of the center-of-mass energies at BESIII via the di-muon process

Ablikim, M.; Ачасов, М. Н.; Ai, X.; Albayrak, O.; Albrecht, M.; Ambrose, D.; Amoroso, A.; An, F. F.; An, Q.; Bai, J. Z.; Ferroli, R. Baldini; Ban, Y.; Bennett, D. W.; Bennett, J. V.; Bertani, M.; Bettoni, D.; Bian, J. M.; Bianchi, F.; Boger, E.; Boyko, I.; Briere, R. A.; Cai, H.; Cai, X.; Çakır, O.; Calcaterra, A.; Cao, G. F.; Çetin, S. A.; Chang, J. F.; Chelkov, G. A.; Chen, G.; Chen, H. S.; Chen, H. Y.; Chen, J. C.; Chen, M. L.; Chen, S. J.; Chen, X.; Chen, X. R.; Chen, Y. B.; Cheng, H. P.; Chu, X. K.; Cibinetto, G.; Dai, H. L.; Dai, J. P.; Dbeyssi, A.; Dedovich, D. V.; Deng, Z. Y.; Denig, A.; Denysenko, I.; Destefanis, M.; Mori, F. De; Ding, Y.; Dong, C.; Dong, J.; Dong, L. Y.; Dong, M. Y.; Du, S. X.; Duan, Pengfei; Fan, J.; Fang, J.; Fang, S. S.; Fang, Xin; Fang, Y.; Fava, L.; Feldbauer, F.; Felici, G.; Feng, C. Q.; Fioravanti, E.; Fritsch, M.; Fu, C. D.; Gao, Q.; Gao, X. L.; Gao, X.; Gao, Y.; Gao, Z.; Garzia, I.; Goetzen, K.; Gong, W. X.; Gradl, W.; Greco, M.; Gu, M. H.; Gu, Y. T.; Guan, Y. H.; Guo, A. Q.; Guo, L. B.; Guo, Y. P.; Guo, Y. P.; Haddadi, Z.; Hafner, A.; Han, S.; Hao, X. Q.; Harris, F. A.; He, K. L.; Held, T.; Heng, Y. K.; Hou, Z. L.; Chen, Hu; Hu, H. M.; Hu, J. F.; Hu, T.; Hu, Y.; Huang, G. M.; Huang, G. S.; Huang, J. S.; Huang, X. T.; Huang, Y.; Hussain, T.; Ji, Q.; Ji, Q. P.; Ji, X. B.; Ji, X. L.; Jiang, L. W.; Jiang, X. S.; Jiang, X. Y.; Jiao, J. B.; Jiao, Z.; Jin, D. P.; Jin, S.; Johansson, T.; Julin, A.; Kalantar‐Nayestanaki, N.; Kang, X. L.; Kang, X. S.; Kavatsyuk, M.; Ke, B. C.; Kiese, P.; Kliemt, R.; Kloss, B.; Kolcu, O. B.; Kopf, B.; Kornicer, M.; Kühn, W.; Kupść, A.; Lange, J. S.; Lara, M.; Larin, P.; Leng, C.; Li, C.; Li, Cheng; Li, D. M.; Li, F.; Li, F. Y.; Li, G.; Li, H. B.; Li, J. C.; Li, Jin; Li, K.; Li, K.; Li, Lei; Li, P. R.; Li, T.; Li, W. D.; Li, W. G.; Li, X. L.; Li, X. M.; Li, X. N.; Li, X. Q.; Li, Z. B.; Liu, Han; Liang, Y. F.; Liang, Y. T.; Liao, G. R.; Lin, D. X.; Liu, B. J.; Liu, C. X.; Liu, D.; Liu, F. H.; Liu, Fang; Liu, Feng; Liu, H. B.; Liu, H. H.; Liu, H. H.; Liu, H. M.; Liu, J.; Liu, J. B.; Liu, J. P.; Liu, J. Y.; Liu, K.; Liu, K. Y.; Liu, L. D.; Liu, P. L.; Liu, Q.; Liu, S. B.; Liu, X.; Liu, Y. B.; Liu, Z. A.; Liu, Zhiqing; Loehner, H.; Lou, X.; Lü, H. J.; Lu, J. G.; Lu, Y. P.; Luo, C. L.; Luo, M. X.; Luo, T.; Luo, X. L.; Lyu, X. R.; C., F.; L., H.; L., L.; M., Q.; Ma, Tao; N., X.; Y., X.; Maas, F. E.; Maggiora, M.; Mao, Y. J.; Mao, Z. P.; Marcello, S.; Messchendorp, J. G.; Min, J.; Mitchell, R. E.; Mo, X. H.; Mo, Y. J.; Morales, C. Morales; Moriya, K.; Muchnoi, N. Yu.; Muramatsu, H.; Nefedov, Y.; Nerling, F.; Nikolaev, I. B.; Ning, Z.; Nisar, S.; Niu, S. L.; Niu, X. Y.; Olsen, S. L.; Ouyang, Q.; Pacetti, S.; Pan, Y.; Patterí, P.; Pelizaeus, M.; Peng, H.; Peters, K.; Pettersson, J.; Ping, J. L.; Ping, R. G.; Poling, R.; Prasad, V.; Qi, M.; Qian, S.; Qiao, C. F.; Liu, Qin; Qin, N.; Qin, X. S.; Qin, Z. H.; Qiu, J. F.; Rashid, K. H.; Redmer, C. F.; Ripka, M.; Rong, G.; Rosner, Ch.; Ruan, X. D.; Santoro, V.; Sarantsev, A.; Savrié, M.; Schoenning, B K.; Schumann, S.; Shan, W.; Shao, M.; Shen, C. P.; Shen, P. X.; Shen, X. Y.; Sheng, H. Y.; Song, W. M.; Song, X. Y.; Sosio, S.; Spataro, S.; Sun, G. X.; Sun, J. F.; Sun, S. S.; Sun, Y. J.; Sun, Y. Z.; Sun, Z. J.; Sun, Z. T.; Tang, C. J.; Tang, X.; Tapan, I.; Thorndike, E. H.; Tiemens, M.; Ullrich, M.; Uman, I.; Varner, G.; Wang, B.; Wang, D.; Wang, D. Y.; Wang, K.; Wang, L. L.; Wang, L. S.; Wang, M.; Wang, P.; Wang, P. L.; Wang, S. G.; Wang, W.; Wang, W. P.; Wang, X. F.; Wang, Y. D.; Wang, Y. F.; Wang, Y. Q.; Wang, Z.; Wang, Z. G.; Wang, Z. H.; Wang, Z. Y.; Weber, T.; Wei, D. H.; Wei, J. B.; Weidenkaff, P.; Wen, S. P.; Wiedner, U.; Wolke, M.; Wu, L. H.; Wang, Zhi; Xia, L.; Xia, Y.; Xiao, D.; Xiao, H.; Xiao, Z. J.; Xie, Y.; Xiu, Q. L.; Xu, G. F.; Xu, Lei; Xu, Q. J.; Xu, X. P.; Yan, L.; Yan, W. B.; Yan, W. C.; Yan, Y. H.; Yang, H. J.; Yang, H. X.; Yang, L.; Yang, Y.; Yang, Yifan; Ye, M.; Ye, M. H.; Yin, J. H.; Yu, B. X.; Yu, C. X.; Yu, J. S.; Yuan, C. Z.; Yuan, W. L.; Yuan, Y.; Yuncu, A.; Zafar, A. A.; Zallo, A.; Zeng, Ailing; Zeng, Z.; Zhang, B. X.; Zhang, B. Y.; Zhang, C.; Zhang, C. C.; Zhang, D. 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, K.; Zhang, L.; Zhang, X. Y.; Zhang, Y.; Zhang, Y. N.; Zhang, Y. H.; Zhang, Y. T.; Zhang, Yu; Zhang, Z. H.; Zhang, Z. P.; Zhang, Z. Y.; Zhao, Gang; Zhao, J. W.; Zhao, J.; Zhao, J.; Liu, Zhao; Zhao, Ling; Zhao, M. G.; Zhao, Q.; Zhao, S. J.; Zhao, T. C.; Zhao, Y. B.; Zhao, Z.; Zhemchugov, A.; Zheng, B.; Zheng, J. P.; Zheng, W. J.; Zheng, Y.; Zhong, B.; Li, Zhou; Zhou, X. Y.; Zhou, X. K.; Zhou, X. R.; Zhu, K. J.; Zhu, S. H.; Zhu, X.; Zhu, Y.; Zhu, Y. S.; Zhu, Z. A.; Zhuang, J.; Zotti, L.; Zou, B. S.; Zou, J. H.

doi:10.1088/1674-1137/40/6/063001

Cited by 98 publications

(55 citation statements)

References 16 publications

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“…Needless to say that the B factories can study the XYZ states with B decays, two-photon fusion, as well as double-charmonium production and Υ(nS) (n = 1, 2, 3) decays, while BESIII is limited to e + e − annihilation. 12 integrated luminosity 13 of each data sample collected for the study of the XYZ states. The uncertainties on the integrated luminosities are statistical only; a 1% systematic uncertainty common to all the data points is not listed.…”

Section: The Besiii and Lhcb Experiments And Data Samples 21 The Bementioning

confidence: 99%

The XYZ states revisited

Yuan

2018

Int. J. Mod. Phys. A

101

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The BESIII and the LHCb became the leading experiments in the study of the exotic states after the Belle and BaBar experiments finished their data taking in the first decade of this century. We review the progress in the study of the XYZ states at BESIII and LHCb experiments with their unique data samples in e + e − annihilation at center-of-mass energies of 3.8-4.6 GeV and in pp collision at center-of-mass energies 7, 8, and 13 TeV, respectively. With these data samples, we have deepened our understanding of the most famous charmonium-like states X(3872), Y (4260), Zc(3900), and Zc (4430), as well as other similar states like the Y (4140) and X(3823). We review the progress in the study of these states, and also discuss perspectives at future experiments.

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Section: The Besiii and Lhcb Experiments And Data Samples 21 The Bementioning

confidence: 99%

The XYZ states revisited

Yuan

2018

Int. J. Mod. Phys. A

101

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show abstract

“…Recently, the CMS [30] and DØ [31] collaborations reported the observation of the Xð4140Þ with resonant parameters being consistent with those of the CDF measurement. More recently, the LHCb Collaboration observed the Xð4140Þ with a statistical significance of 8.4σ using a 3 fb −1 data sample of pp collisions in the same process [32] sample is determined with a precision of 0.8 MeV [35] using dimuon events. The integrated luminosity of the sample is measured using large-angle Bhabha scattering to be 567 pb −1 with a precision of 1.0% [36].…”

Section: Introductionmentioning

confidence: 99%

Observation of e+e−→ϕχc1 and ϕχ

Ablikim¹,

Ачасов²,

Ahmed³

et al. 2018

Phys. Rev. D

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“…We use a total integrated luminosity of 4. [7,8]. We first measure the Born cross section at each E CM using the twelve largest decay channels of the η c :…”

mentioning

confidence: 99%

Evidence for e+e−→γηc(1S) at center-of-mass energies between 4.01 and 4.60 GeV

Ablikim¹,

Ачасов²,

Ahmed³

et al. 2017

Phys. Rev. D

Self Cite

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We present first evidence for the process e + e − → γηc(1S) at six center-of-mass energies between 4.01 and 4.60 GeV using data collected by the BESIII experiment operating at BEPCII. These data sets correspond to a total integrated luminosity of 4.6 fb −1 . We measure the Born cross section at each energy using a combination of twelve ηc(1S) decay channels. Because the significance of the signal is marginal at each energy (≤ 3.0σ), we also combine all six energies under various assumptions for the energy-dependence of the cross section. If the process is assumed to proceed via the Y (4260), we measure a peak Born cross section σ peak (e + e − → γηc(1S)) = 2.11 ± 0.49(stat.) ± 0.36(syst.) pb with a statistical significance of 4.2σ.

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Measurements of the center-of-mass energies at BESIII via the di-muon process

Cited by 98 publications

References 16 publications

The XYZ states revisited

The XYZ states revisited

Observation of e+e−→ϕχc1 and ϕχ

Evidence for e+e−→γηc(1S) at center-of-mass energies between 4.01 and 4.60 GeV

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