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Search for leptonic decays of W ' bosons in pp collisions at root s=7TeV
CMS Collaboration
2012
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号8
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要A search for a new heavy gauge boson W' decaying to an electron or muon, plus a low mass neutrino, is presented. This study uses data corresponding to an integrated luminosity of 5.0 fb(-1), collected using the CMS detector in pp collisions at a centre-of-mass energy of 7TeV at the LHC. Events containing a single electron or muon and missing transverse momentum are analyzed. No significant excess of events above the standard model expectation is found in the transverse mass distribution of the lepton-neutrino system, and upper limits for cross sections above different transverse mass thresholds are presented. Mass exclusion limits at 95% CL for a range of W' models are determined, including a limit of 2.5TeV for right-handed W' bosons with standard-model-like couplings and limits of 2.43-2.63 TeV for left-handed W' bosons, taking into account their interference with the standard model W boson. Exclusion limits have also been set on Kaluza-Klein W-KK states in the framework of split universal extra dimensions.
关键词LEFT-RIGHT SYMMETRY ATLAS DETECTOR NEUTRINO PARITY TEV VIOLATION MASS MUON
学科领域Physics
DOI10.1007/JHEP08(2012)023
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000309883600062
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/213353
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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CMS Collaboration. Search for leptonic decays of W ' bosons in pp collisions at root s=7TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2012(8).
APA CMS Collaboration.(2012).Search for leptonic decays of W ' bosons in pp collisions at root s=7TeV.JOURNAL OF HIGH ENERGY PHYSICS(8).
MLA CMS Collaboration."Search for leptonic decays of W ' bosons in pp collisions at root s=7TeV".JOURNAL OF HIGH ENERGY PHYSICS .8(2012).
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