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Search for Dilepton Resonances in pp Collisions at root s 7 TeV with the ATLAS Detector
ATLAS Collaboration
2011
发表期刊PHYSICAL REVIEW LETTERS
卷号107期号:27
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany.
摘要This Letter reports on a search for narrow high-mass resonances decaying into dilepton final states. The data were recorded by the ATLAS experiment in pp collisions at root s = 7 TeV at the Large Hadron Collider and correspond to a total integrated luminosity of 1.08 (1.21) fb(-1) in the e(+)e(-) (mu(+)mu(-)) channel. No statistically significant excess above the standard model expectation is observed and upper limits are set at the 95% C. L. on the cross section times branching fraction of Z' resonances and Randall-Sundrum gravitons decaying into dileptons as a function of the resonance mass. A lower mass limit of 1.83 TeV on the sequential standard model Z' boson is set. A Randall-Sundrum graviton with coupling k/(M) over bar Pl = 0.1 is excluded at 95% C. L. for masses below 1.63 TeV.
关键词FERMION-PAIR PRODUCTION PARTON DISTRIBUTIONS GAUGE BOSONS LHC LEP PHYSICS HADRON MODELS
学科领域Physics
DOI10.1103/PhysRevLett.107.272002
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000298611000012
引用统计
被引频次:75[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/311005/213160
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 Dilepton Resonances in pp Collisions at root s 7 TeV with the ATLAS Detector[J]. PHYSICAL REVIEW LETTERS,2011,107(27).
APA ATLAS Collaboration.(2011).Search for Dilepton Resonances in pp Collisions at root s 7 TeV with the ATLAS Detector.PHYSICAL REVIEW LETTERS,107(27).
MLA ATLAS Collaboration."Search for Dilepton Resonances in pp Collisions at root s 7 TeV with the ATLAS Detector".PHYSICAL REVIEW LETTERS 107.27(2011).
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