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Search for heavy sterile neutrinos in trileptons at the LHC

文献类型：期刊论文

作者Wang KC(王科臣); Claudio, O. D., C. S. Kim and W. Kechen
刊名CHINESE PHYSICS C中国物理. C
出版日期2017
卷号41期号:10页码:103103
关键词sterile neutrinos LHC trileptons BSM physics
ISSN号1674-1137
DOI10.1088/1674-1137/41/10/103103
文献子类Article
英文摘要We present a search strategy for both Dirac and Majorana sterile neutrinos from the purely leptonic decays of W-+/--> e(+/-)e +/-mu(-/+)nu and mu(+/-)mu(+/-)e(-/+)nu at the 14 TeV LHC. The discovery and exclusion limits for sterile neutrinos are shown using both the Cut-and-Count (CC) and Multi-Variate Analysis (MVA) methods. We also discriminate between Dirac and Majorana sterile neutrinos by exploiting a set of kinematic observables which differ between the Dirac and Majorana cases. We find that the MVA method, compared to the more common CC method, can greatly enhance the discovery and discrimination limits. Two benchmark points with sterile neutrino mass m(N)=20 GeV and 50 GeV are tested. For an integrated luminosity of 3000 fb(-1), sterile neutrinos can be found with 5a significance if heavy-to-light neutrino mixings vertical bar U-Ne vertical bar(2) similar to vertical bar U-N mu vertical bar(2) similar to 10(-6), while Majorana vs. Dirac discrimination can be reached if at least one of the mixings is of order 10(-5).
电子版国际标准刊号2058-6132
WOS关键词DOUBLE-BETA DECAY
WOS研究方向Physics
语种英语
CSCD记录号CSCD:6082278
WOS记录号WOS:000424298200001
源URL[http://ir.ihep.ac.cn/handle/311005/284498]  
专题高能物理研究所_理论物理室
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714		 Wang KC,Claudio, O. D., C. S. Kim and W. Kechen. Search for heavy sterile neutrinos in trileptons at the LHC[J]. CHINESE PHYSICS C中国物理. C,2017,41(10):103103.
APA 王科臣,&Claudio, O. D., C. S. Kim and W. Kechen.(2017).Search for heavy sterile neutrinos in trileptons at the LHC.CHINESE PHYSICS C中国物理. C,41(10),103103.
MLA 王科臣,et al."Search for heavy sterile neutrinos in trileptons at the LHC".CHINESE PHYSICS C中国物理. C 41.10(2017):103103.

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来源：高能物理研究所

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