Measurement of cross section for e+e−→Ξ0Ξ¯0 near threshold

6533b834fe1ef96bd129d54b

RESEARCH PRODUCT

Measurement of cross section for e+e−→Ξ0Ξ¯0 near threshold

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

subject

Physics Nuclear and High Energy Physics Luminosity (scattering theory)010308 nuclear & particles physics 01 natural sciences Measure (mathematics)Resonance (particle physics)Symmetry (physics)Nuclear physics Cross section (physics)Near threshold Isospin 0103 physical sciences 010306 general physics Power function

description

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 − → Ξ 0 Ξ ¯ 0 utilizing a single-tag method. A fit to the cross section of e + e − → Ξ 0 Ξ ¯ 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 Ξ 0 Ξ ¯ 0 is calculated using recent BESIII measurement and is found to be compatible with expectation from isospin symmetry.

year	journal	country	edition	language
2021-09-01	Physics Letters B

https://doi.org/10.1016/j.physletb.2021.136557