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Search for Quantum Black Hole Production in High-Invariant-Mass Lepton plus Jet Final States Using pp Collisions at root s=8 TeV and the ATLAS Detector
ATLAS collaboration
2014
发表期刊PHYSICAL REVIEW LETTERS
卷号112期号:9
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany.
摘要This Letter presents a search for quantum black-hole production using 20.3 fb(-1) of data collected with the ATLAS detector in pp collisions at the LHC at root s = 8 TeV. The quantum black holes are assumed to decay into a final state characterized by a lepton (electron or muon) and a jet. In either channel, no event with a lepton-jet invariant mass of 3.5 TeV or more is observed, consistent with the expected background. Limits are set on the product of cross sections and branching fractions for the lepton + jet final states of quantum black holes produced in a search region for invariant masses above 1 TeV. The combined 95% confidence level upper limit on this product for quantum black holes with threshold mass above 3.5 TeV is 0.18 fb. This limit constrains the threshold quantum black-hole mass to be above 5.3 TeV in the model considered.
关键词PROTON-PROTON COLLISIONS CARLO EVENT GENERATOR DIMENSIONS MILLIMETER LHC
学科领域Physics
DOI10.1103/PhysRevLett.112.091804
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000332687600001
引用统计
被引频次:21[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/311005/213676
专题实验物理中心
作者单位中国科学院高能物理研究所
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ATLAS collaboration. Search for Quantum Black Hole Production in High-Invariant-Mass Lepton plus Jet Final States Using pp Collisions at root s=8 TeV and the ATLAS Detector[J]. PHYSICAL REVIEW LETTERS,2014,112(9).
APA ATLAS collaboration.(2014).Search for Quantum Black Hole Production in High-Invariant-Mass Lepton plus Jet Final States Using pp Collisions at root s=8 TeV and the ATLAS Detector.PHYSICAL REVIEW LETTERS,112(9).
MLA ATLAS collaboration."Search for Quantum Black Hole Production in High-Invariant-Mass Lepton plus Jet Final States Using pp Collisions at root s=8 TeV and the ATLAS Detector".PHYSICAL REVIEW LETTERS 112.9(2014).
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