학술논문

Measurement of yCP in D0–D¯0 oscillation using quantum correlations in e+e−→D0D¯0 at s=3.773 GeV
Document Type
article
Author
M. AblikimM.N. AchasovX.C. AiO. AlbayrakM. AlbrechtD.J. AmbroseA. AmorosoF.F. AnQ. AnJ.Z. BaiR. Baldini FerroliY. BanD.W. BennettJ.V. BennettM. BertaniD. BettoniJ.M. BianF. BianchiE. BogerO. BondarenkoI. BoykoR.A. BriereH. CaiX. CaiO. CakirA. CalcaterraG.F. CaoS.A. CetinJ.F. ChangG. ChelkovG. ChenH.S. ChenH.Y. ChenJ.C. ChenM.L. ChenS.J. ChenX. ChenX.R. ChenY.B. ChenH.P. ChengX.K. ChuG. CibinettoD. Cronin-HennessyH.L. DaiJ.P. DaiA. DbeyssiD. DedovichZ.Y. DengA. DenigI. DenysenkoM. DestefanisF. De MoriY. DingC. DongJ. DongL.Y. DongM.Y. DongS.X. DuP.F. DuanJ.Z. FanJ. FangS.S. FangX. FangY. FangL. FavaF. FeldbauerG. FeliciC.Q. FengE. FioravantiM. FritschC.D. FuQ. GaoY. GaoZ. GaoI. GarziaK. GoetzenW.X. GongW. GradlM. GrecoM.H. GuY.T. GuY.H. GuanA.Q. GuoL.B. GuoT. GuoY. GuoY.P. GuoZ. HaddadiA. HafnerS. HanY.L. HanF.A. HarrisK.L. HeZ.Y. HeT. HeldY.K. HengZ.L. HouC. HuH.M. HuJ.F. HuT. HuY. HuG.M. HuangG.S. HuangH.P. HuangJ.S. HuangX.T. HuangY. HuangT. HussainQ. JiQ.P. JiX.B. JiX.L. JiL.L. JiangL.W. JiangX.S. JiangJ.B. JiaoZ. JiaoD.P. JinS. JinT. JohanssonA. JulinN. Kalantar-NayestanakiX.L. KangX.S. KangM. KavatsyukB.C. KeR. KliemtB. KlossO.B. KolcuB. KopfM. KornicerW. KuehnA. KupscW. LaiJ.S. LangeM. LaraP. LarinC.H. LiCheng LiD.M. LiF. LiG. LiH.B. LiJ.C. LiJin LiK. LiP.R. LiT. LiW.D. LiW.G. LiX.L. LiX.M. LiX.N. LiX.Q. LiZ.B. LiH. LiangY.F. LiangY.T. LiangG.R. LiaoD.X. LinB.J. LiuC.X. LiuF.H. LiuFang LiuFeng LiuH.B. LiuH.H. LiuH.M. LiuJ. LiuJ.P. LiuJ.Y. LiuK. LiuK.Y. LiuL.D. LiuP.L. LiuQ. LiuS.B. LiuX. LiuX.X. LiuY.B. LiuZ.A. LiuZhiqiang LiuZhiqing LiuH. LoehnerX.C. LouH.J. LuJ.G. LuR.Q. LuY. LuY.P. LuC.L. LuoM.X. LuoT. LuoX.L. LuoM. LvX.R. LyuF.C. MaH.L. MaL.L. MaQ.M. MaS. MaT. MaX.N. MaX.Y. MaF.E. MaasM. MaggioraQ.A. MalikY.J. MaoZ.P. MaoS. MarcelloJ.G. MesschendorpJ. MinT.J. MinR.E. MitchellX.H. MoY.J. MoC. Morales MoralesK. MoriyaN.Yu. MuchnoiH. MuramatsuY. NefedovF. NerlingI.B. NikolaevZ. NingS. NisarS.L. NiuX.Y. NiuS.L. OlsenQ. OuyangS. PacettiP. PatteriM. PelizaeusH.P. PengK. PetersJ.L. PingR.G. PingR. PolingY.N. PuM. QiS. QianC.F. QiaoL.Q. QinN. QinX.S. QinY. QinZ.H. QinJ.F. QiuK.H. RashidC.F. RedmerH.L. RenM. RipkaG. RongX.D. RuanV. SantoroA. SarantsevM. SavriéK. SchoenningS. SchumannW. ShanM. ShaoC.P. ShenP.X. ShenX.Y. ShenH.Y. ShengM.R. ShepherdW.M. SongX.Y. SongS. SosioS. SpataroB. SpruckG.X. SunJ.F. SunS.S. SunY.J. SunY.Z. SunZ.J. SunZ.T. SunC.J. TangX. TangI. TapanE.H. ThorndikeM. TiemensD. TothM. UllrichI. UmanG.S. VarnerB. WangB.L. WangD. WangD.Y. WangK. WangL.L. WangL.S. WangM. WangP. WangP.L. WangQ.J. WangS.G. WangW. WangX.F. WangY.D. WangY.F. WangY.Q. WangZ. WangZ.G. WangZ.H. WangZ.Y. WangT. WeberD.H. WeiJ.B. WeiP. WeidenkaffS.P. WenU. WiednerM. WolkeL.H. WuZ. WuL.G. XiaY. XiaD. XiaoZ.J. XiaoY.G. XieG.F. XuL. XuQ.J. XuQ.N. XuX.P. XuL. YanW.B. YanW.C. YanY.H. YanH.X. YangL. YangY. YangY.X. YangH. YeM. YeM.H. YeJ.H. YinB.X. YuC.X. YuH.W. YuJ.S. YuC.Z. YuanW.L. YuanY. YuanA. YuncuA.A. ZafarA. ZalloY. ZengB.X. ZhangB.Y. ZhangC. ZhangC.C. ZhangD.H. ZhangH.H. ZhangH.Y. ZhangJ.J. ZhangJ.L. ZhangJ.Q. ZhangJ.W. ZhangJ.Y. ZhangJ.Z. ZhangK. ZhangL. ZhangS.H. ZhangX.Y. ZhangY. ZhangY.H. ZhangY.T. ZhangZ.H. ZhangZ.P. ZhangZ.Y. ZhangG. ZhaoJ.W. ZhaoJ.Y. ZhaoJ.Z. ZhaoLei ZhaoLing ZhaoM.G. ZhaoQ. ZhaoQ.W. ZhaoS.J. ZhaoT.C. ZhaoY.B. ZhaoZ.G. ZhaoA. ZhemchugovB. ZhengJ.P. ZhengW.J. ZhengY.H. ZhengB. ZhongL. ZhouLi ZhouX. ZhouX.K. ZhouX.R. ZhouX.Y. ZhouK. ZhuK.J. ZhuS. ZhuX.L. ZhuY.C. ZhuY.S. ZhuZ.A. ZhuJ. ZhuangB.S. ZouJ.H. Zou
Source
Physics Letters B, Vol 744, Iss , Pp 339-346 (2015)
Subject
Physics
QC1-999
Language
English
ISSN
0370-2693
Abstract
We report a measurement of the parameter yCP in D0–D¯0 oscillations performed by taking advantage of quantum coherence between pairs of D0D¯0 mesons produced in e+e− annihilations near threshold. In this work, doubly-tagged D0D¯0 events, where one D decays to a CP eigenstate and the other D decays in a semileptonic mode, are reconstructed using a data sample of 2.92 fb−1 collected with the BESIII detector at the center-of-mass energy of s=3.773 GeV. We obtain yCP=(−2.0±1.3±0.7)%, where the first uncertainty is statistical and the second is systematic. This result is compatible with the current world average. Keywords: BESIII, D0–D¯0 oscillation, yCP, Quantum correlation