Measurement of the mass difference between top and antitop quarks
CMS Collaboration
刊名JOURNAL OF HIGH ENERGY PHYSICS
2012
期号6
关键词COLLISIONS
学科分类Physics
DOI10.1007/JHEP06(2012)109
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
英文摘要A measurement of the mass difference between the top and the antitop quark (Delta m(t) = m(t) - m((t) over bar)) is performed using events with a muon or an electron and at least four jets in the final state. The analysis is based on data collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 4.96 +/- 0.11 fb(-1), and yields the value of Delta m(t) = -0.44 +/- 0.46 (stat.) +/- 0.27 (syst.) GeV. This result is consistent with equality of particle and antiparticle masses required by CPT invariance, and provides a significantly improved precision relative to existing measurements.
类目[WOS]Physics, Particles & Fields
收录类别SCI
语种英语
WOS记录号WOS:000306418300019
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/213285
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
作者单位中国科学院高能物理研究所
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CMS Collaboration. Measurement of the mass difference between top and antitop quarks[J]. JOURNAL OF HIGH ENERGY PHYSICS,2012(6).
APA CMS Collaboration.(2012).Measurement of the mass difference between top and antitop quarks.JOURNAL OF HIGH ENERGY PHYSICS(6).
MLA CMS Collaboration."Measurement of the mass difference between top and antitop quarks".JOURNAL OF HIGH ENERGY PHYSICS .6(2012).
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