Search for heavy lepton partners of neutrinos in proton-proton collisions in the context of the type III seesaw mechanism
CMS Collaboration
刊名PHYSICS LETTERS B
2012
卷号718期号:2页码:348-368
关键词MASSES SCALE LHC
学科分类Physics
DOI10.1016/j.physletb.2012.10.070
通讯作者Sphicas, P (reprint author), CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland.
英文摘要A search is presented in proton-proton collisions at root s = 7 TeV for fermionic triplet states expected in type Ill seesaw models. The search is performed using final states with three isolated charged leptons and an imbalance in transverse momentum. The data, collected with the CMS detector at the LHC, correspond to an integrated luminosity of 4.9 fb(-1). No excess of events is observed above the background predicted by the standard model, and the results are interpreted in terms of limits on production cross sections and masses of the heavy partners of the neutrinos in type Ill seesaw models. Depending on the considered scenarios, lower limits are obtained on the mass of the heavy partner of the neutrino that range from 180 to 210 GeV. These are the first limits on the production of type III seesaw fermionic triplet states reported by an experiment at the LHC. (C) 2012 CERN. Published by Elsevier B.V. All rights reserved.
类目[WOS]Physics, Multidisciplinary
收录类别SCI
语种英语
WOS记录号WOS:000312687700013
引用统计
被引频次:29[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/311005/213410
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. Search for heavy lepton partners of neutrinos in proton-proton collisions in the context of the type III seesaw mechanism[J]. PHYSICS LETTERS B,2012,718(2):348-368.
APA CMS Collaboration.(2012).Search for heavy lepton partners of neutrinos in proton-proton collisions in the context of the type III seesaw mechanism.PHYSICS LETTERS B,718(2),348-368.
MLA CMS Collaboration."Search for heavy lepton partners of neutrinos in proton-proton collisions in the context of the type III seesaw mechanism".PHYSICS LETTERS B 718.2(2012):348-368.
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