학술논문

Measurement of the e+e−→Σ0Σ¯0 cross sections at center-of-mass energies from 2.3864 to 3.0200GeV
Document Type
article
Author
M. AblikimM.N. AchasovP. AdlarsonS. AhmedM. AlbrechtA. AmorosoQ. AnY. BaiO. BakinaR. Baldini FerroliI. BalossinoY. BanK. BegzsurenJ.V. BennettN. BergerM. BertaniD. BettoniF. BianchiJ. BiernatJ. BlomsA. BortoneI. BoykoR.A. BriereH. CaiX. CaiA. CalcaterraG.F. CaoN. CaoS.A. CetinJ.F. ChangW.L. ChangG. ChelkovD.Y. ChenG. ChenH.S. ChenM.L. ChenS.J. ChenX.R. ChenY.B. ChenW. ChengG. CibinettoF. CossioX.F. CuiH.L. DaiJ.P. DaiX.C. DaiA. DbeyssiR.B. de BoerD. DedovichZ.Y. DengA. DenigI. DenysenkoM. DestefanisF. De MoriY. DingC. DongJ. DongL.Y. DongM.Y. DongS.X. DuJ. FangS.S. FangY. FangR. FarinelliL. FavaF. FeldbauerG. FeliciC.Q. FengM. FritschC.D. FuY. FuX.L. GaoY. GaoY.G. GaoI. GarziaE.M. GersabeckA. GilmanK. GoetzenL. GongW.X. GongW. GradlM. GrecoL.M. GuM.H. GuS. GuY.T. GuC.Y. GuanA.Q. GuoL.B. GuoR.P. GuoY.P. GuoA. GuskovS. HanT.T. HanT.Z. HanX.Q. HaoF.A. HarrisK.L. HeF.H. HeinsiusT. HeldY.K. HengM. HimmelreichT. HoltmannY.R. HouZ.L. HouH.M. HuJ.F. HuT. HuY. HuG.S. HuangL.Q. HuangX.T. HuangZ. HuangN. HueskenT. HussainW. Ikegami AnderssonW. ImoehlM. IrshadS. JaegerS. JanchivQ. JiQ.P. JiX.B. JiX.L. JiH.B. JiangX.S. JiangX.Y. JiangJ.B. JiaoZ. JiaoS. JinY. JinT. JohanssonN. Kalantar-NayestanakiX.S. KangR. KappertM. KavatsyukB.C. KeI.K. KeshkA. KhoukazP. KieseR. KiuchiR. KliemtL. KochO.B. KolcuB. KopfM. KuemmelM. KuessnerA. KupscM.G. KurthW. KühnJ.J. LaneJ.S. LangeP. LarinL. LavezziH. LeithoffM. LellmannT. LenzC. LiC.H. LiCheng LiD.M. LiF. LiG. LiH.B. LiH.J. LiJ.L. LiJ.Q. LiKe LiL.K. LiLei LiP.L. LiP.R. LiS.Y. LiW.D. LiW.G. LiX.H. LiX.L. LiZ.B. LiZ.Y. LiH. LiangY.F. LiangY.T. LiangL.Z. LiaoJ. LibbyC.X. LinB. LiuB.J. LiuC.X. LiuD. LiuD.Y. LiuF.H. LiuFang LiuFeng LiuH.B. LiuH.M. LiuHuanhuan LiuHuihui LiuJ.B. LiuJ.Y. LiuK. LiuK.Y. LiuKe LiuL. LiuQ. LiuS.B. LiuShuai LiuT. LiuX. LiuY.B. LiuZ.A. LiuZ.Q. LiuY.F. LongX.C. LouF.X. LuH.J. LuJ.D. LuJ.G. LuX.L. LuY. LuY.P. LuC.L. LuoM.X. LuoP.W. LuoT. LuoX.L. LuoS. LussoX.R. LyuF.C. MaH.L. MaL.L. MaM.M. MaQ.M. MaR.Q. MaR.T. MaX.N. MaX.X. MaX.Y. MaY.M. MaF.E. MaasM. MaggioraS. MaldanerS. MaldeQ.A. MalikA. MangoniY.J. MaoZ.P. MaoS. MarcelloZ.X. MengJ.G. MesschendorpG. MezzadriT.J. MinR.E. MitchellX.H. MoY.J. MoN.Yu. MuchnoiH. MuramatsuS. NakhoulY. NefedovF. NerlingI.B. NikolaevZ. NingS. NisarS.L. OlsenQ. OuyangS. PacettiX. PanY. PanA. PathakP. PatteriM. PelizaeusH.P. PengK. PetersJ. PetterssonJ.L. PingR.G. PingA. PitkaR. PolingV. PrasadH. QiH.R. QiM. QiT.Y. QiS. QianW.-B. QianZ. QianC.F. QiaoL.Q. QinX.P. QinX.S. QinZ.H. QinJ.F. QiuS.Q. QuK.H. RashidK. RavindranC.F. RedmerA. RivettiV. RodinM. RoloG. RongCh. RosnerM. RumpA. SarantsevM. SavriéY. SchelhaasC. SchnierK. SchoenningD.C. ShanW. ShanX.Y. ShanM. ShaoC.P. ShenP.X. ShenX.Y. ShenH.C. ShiR.S. ShiX. ShiX.D. ShiJ.J. SongQ.Q. SongW.M. SongY.X. SongS. SosioS. SpataroF.F. SuiG.X. SunJ.F. SunL. SunS.S. SunT. SunW.Y. SunY.J. SunY.K. SunY.Z. SunZ.T. SunY.H. TanY.X. TanC.J. TangG.Y. TangJ. TangV. ThorenB. TsedneeI. UmanB. WangB.L. WangC.W. WangD.Y. WangH.P. WangK. WangL.L. WangM. WangM.Z. WangMeng WangW.H. WangW.P. WangX. WangX.F. WangX.L. WangY. WangY.D. WangY.F. WangY.Q. WangZ. WangZ.Y. WangZiyi WangZongyuan WangT. WeberD.H. WeiP. WeidenkaffF. WeidnerS.P. WenD.J. WhiteU. WiednerG. WilkinsonM. WolkeL. WollenbergJ.F. WuL.H. WuL.J. WuX. WuZ. WuL. XiaH. XiaoS.Y. XiaoY.J. XiaoZ.J. XiaoX.H. XieY.G. XieY.H. XieT.Y. XingX.A. XiongG.F. XuJ.J. XuQ.J. XuW. XuX.P. XuL. YanW.B. YanW.C. YanXu YanH.J. YangH.X. YangL. YangR.X. YangS.L. YangY.H. YangY.X. YangYifan YangZhi YangM. YeM.H. YeJ.H. YinZ.Y. YouB.X. YuC.X. YuG. YuJ.S. YuT. YuC.Z. YuanW. YuanX.Q. YuanY. YuanZ.Y. YuanC.X. YueA. YuncuA.A. ZafarY. ZengB.X. ZhangGuangyi ZhangH.H. ZhangH.Y. ZhangJ.L. ZhangJ.Q. ZhangJ.W. ZhangJ.Y. ZhangJ.Z. ZhangJianyu ZhangJiawei ZhangL. ZhangLei ZhangS. ZhangS.F. ZhangT.J. ZhangX.Y. ZhangY. ZhangY.H. ZhangY.T. ZhangYan ZhangYao ZhangYi ZhangZ.H. ZhangZ.Y. ZhangG. ZhaoJ. ZhaoJ.Y. ZhaoJ.Z. ZhaoLei ZhaoLing ZhaoM.G. ZhaoQ. ZhaoS.J. ZhaoY.B. ZhaoY.X. ZhaoZ.G. ZhaoA. ZhemchugovB. ZhengJ.P. ZhengY. ZhengY.H. ZhengB. ZhongC. ZhongL.P. ZhouQ. ZhouX. ZhouX.K. ZhouX.R. ZhouA.N. ZhuJ. ZhuK. ZhuK.J. ZhuS.H. ZhuW.J. ZhuX.L. ZhuY.C. ZhuZ.A. ZhuB.S. ZouJ.H. Zou
Source
Physics Letters B, Vol 831, Iss , Pp 137187- (2022)
Subject
BESIII
Σ0 hyperon
Born cross section
Form factor
Physics
QC1-999
Language
English
ISSN
0370-2693
Abstract
The Born cross sections of e+e−→Σ0Σ¯0 are measured at center-of-mass energies from 2.3864 to 3.0200 GeV using data samples with an integrated luminosity of 328.5 pb−1 collected with the BESIII detector operating at the BEPCII collider. The analysis makes use of a novel reconstruction method for energies near production threshold, while a single-tag method is employed at other center-of-mass energies. The measured cross sections are consistent with earlier results from BaBar, with a substantially improved precision. The cross-section lineshape can be well described by a perturbative QCD-driven energy function. In addition, the effective form factors of the Σ0 baryon are determined. The results provide precise experimental input for testing various theoretical predictions.