Search for nonpointing photons in the diphoton and E-T(miss) final state in root s=7 TeV proton-proton collisions using the ATLAS detector
ATLAS Collaboration
刊名PHYSICAL REVIEW D
2013
卷号88期号:1页码:12001
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.88.012001
英文摘要A search has been performed for photons originating in the decay of a neutral long-lived particle, exploiting the capabilities of the ATLAS electromagnetic calorimeter to make precise measurements of the flight direction of photons, as well as the calorimeter's excellent time resolution. The search has been made in the diphoton plus missing transverse energy final state, using the full data sample of 4.8 fb(-1) of 7 TeV proton-proton collisions collected in 2011 with the ATLAS detector at the LHC. No excess is observed above the background expected from Standard Model processes. The results are used to set exclusion limits in the context of gauge mediated supersymmetry breaking models, with the lightest neutralino being the next-to-lightest supersymmetric particle and decaying with a lifetime in excess of 0.25 ns into a photon and a gravitino.
收录类别SCI
WOS记录号WOS:000321125000002
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被引频次:5[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/311005/224474
专题中国科学院高能物理研究所_实验物理中心_期刊论文
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ATLAS Collaboration. Search for nonpointing photons in the diphoton and E-T(miss) final state in root s=7 TeV proton-proton collisions using the ATLAS detector[J]. PHYSICAL REVIEW D,2013,88(1):12001.
APA ATLAS Collaboration.(2013).Search for nonpointing photons in the diphoton and E-T(miss) final state in root s=7 TeV proton-proton collisions using the ATLAS detector.PHYSICAL REVIEW D,88(1),12001.
MLA ATLAS Collaboration."Search for nonpointing photons in the diphoton and E-T(miss) final state in root s=7 TeV proton-proton collisions using the ATLAS detector".PHYSICAL REVIEW D 88.1(2013):12001.
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