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Search for contact interactions and large extra dimensions in the dilepton channel using proton-proton collisions at root s=8 TeV with the ATLAS detector
ATLAS collaboration
2014
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号74期号:12页码:1-25
通讯作者Aad, G (reprint author), Aix Marseille Univ, CPPM, Marseille, France.
摘要A search is conducted for non-resonant new phenomena in dielectron and dimuon final states, originating from either contact interactions or large extra spatial dimensions. The LHC 2012 proton-proton collision dataset recorded by the ATLAS detector is used, corresponding to 20 fb(-1) at root s = 8 TeV. The dilepton invariant mass spectrum is a discriminating variable in both searches, with the contact interaction search additionally utilizing the dilepton forward-backward asymmetry. No significant deviations from the Standard Model expectation are observed. Lower limits are set on the llqq contact interaction scale Lambda between 15.4 TeVand 26.3 TeV, at the 95% credibility level. For large extra spatial dimensions, lower limits are set on the string scale MS between 3.2 TeV to 5.0 TeV.
关键词PARTON DISTRIBUTIONS E(+)E(-) COLLISIONS HERA PHYSICS QUARK LHC
学科领域Physics
DOI10.1140/epjc/s10052-014-3134-6
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000347212000001
引用统计
被引频次:26[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/311005/213844
专题实验物理中心
作者单位中国科学院高能物理研究所
推荐引用方式
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ATLAS collaboration. Search for contact interactions and large extra dimensions in the dilepton channel using proton-proton collisions at root s=8 TeV with the ATLAS detector[J]. EUROPEAN PHYSICAL JOURNAL C,2014,74(12):1-25.
APA ATLAS collaboration.(2014).Search for contact interactions and large extra dimensions in the dilepton channel using proton-proton collisions at root s=8 TeV with the ATLAS detector.EUROPEAN PHYSICAL JOURNAL C,74(12),1-25.
MLA ATLAS collaboration."Search for contact interactions and large extra dimensions in the dilepton channel using proton-proton collisions at root s=8 TeV with the ATLAS detector".EUROPEAN PHYSICAL JOURNAL C 74.12(2014):1-25.
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