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Measurement of cross section for Near Threshold
Authors :
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. Chai, X.Y. 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.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, Cheng Li, D.M. Li, F. Li, G. Li, H. Li, H.B. Li, H.J. Li, J.L. Li, J.Q. Li, J.S. Li, Ke Li, L.K. Li, Lei Li, P.R. Li, S.Y. Li, W.D. Li, W.G. Li, X.H. Li, X.L. Li, Xiaoyu Li, Z.Y. 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, Fang Liu, Feng Liu, H.B. Liu, H.M. Liu, Huanhuan Liu, Huihui 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, S.B. Liu, Shuai 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, 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, Meng Wang, W. Wang, W.H. Wang, W.P. Wang, X. Wang, X.F. Wang, X.L. Wang, Y. Wang, Y.D. Wang, Y.F. Wang, Y.Q. Wang, Y.Y. Wang, Z. Wang, Z.Y. Wang, Ziyi Wang, Zongyuan Wei, D.H. Weidner, F. Wen, S.P. Wen, L.Z. 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, Xu Yang, H.J. Yang, H.X. Yang, L. Yang, S.L. Yang, Y.X. Yang, Yifan Yang, Zhi 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 Zeng, Y. Zhang, A.Q. Zhang, B.X. Zhang, Guangyi Zhang, 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, Jianyu Zhang, Jiawei Zhang, L.M. Zhang, L.Q. Zhang, Lei Zhang, S. Zhang, S.F. Zhang, Shulei Zhang, X.D. Zhang, X.Y. Zhang, Y. Zhang, Y.H. Zhang, Y.T. Zhang, Yan Zhang, Yao Zhang, Yi Zhang, Z.H. Zhang, Z.Y. Zhao, G. Zhao, J. Zhao, J.Y. Zhao, J.Z. Zhao, Lei Zhao, Ling 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, Y.C. Zhu, Z.A. Zou, B.S. Zou, J.H.
Source :
Physics Letters
Publication Year :
2021
Publisher :
Elsevier, 2021.
Abstract
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−→Ξ0Ξ¯0 utilizing a single-tag method. A fit to the cross section of e+e−→Ξ0Ξ¯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−→Ξ−Ξ¯+ and Ξ0Ξ¯0 is calculated using recent BESIII measurement and is found to be compatible with expectation from isospin symmetry.
Details
Language :
English
Database :
OpenAIRE
Journal :
Physics Letters
Accession number :
edsair.od......3000..d95b59850ed6a2352e623e8a7b133159