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Search for new phenomena in events with a photon and missing transverse momentum in pp collisions at root s=13 TeV with the ATLAS detector
ATLAS Collaboration
2016
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号6
摘要Results of a search for new phenomena in events with an energetic photon and large missing transverse momentum with the ATLAS experiment at the Large Hadron Collider are reported. The data were collected in proton-proton collisions at a centre-of- mass energy of 13TeV and correspond to an integrated luminosity of 3.2 fb(-1). The observed data are in agreement with the Standard Model expectations. Exclusion limits are presented in models of new phenomena including pair production of dark matter candidates or large extra spatial dimensions. In a simplified model of dark matter and an axial-vector mediator, the search excludes mediator masses below 710 GeV for dark matter candidate masses below 150 GeV. In an effective theory of dark matter production, values of the suppression scale M-* up to 570 GeV are excluded and the effect of truncation for various coupling values is reported. For the ADD large extra spatial dimension model the search places more stringent limits than earlier searches in the same event topology, excluding M-D up to about 2.3 (2.8) TeV for two (six) additional spatial dimensions; the limits are reduced by 20 40% depending on the number of additional spatial dimensions when applying a truncation procedure.
文章类型Article
关键词Hadron-Hadron scattering (experiments)
DOI10.1007/JHEP06(2016)059
关键词[WOS]DARK-MATTER SEARCHES ; E(+)E(-) COLLISIONS ; PARTON DISTRIBUTIONS ; LHC ; ENERGY
语种英语
WOS记录号WOS:000379319000001
引用统计
被引频次:8[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/311005/260896
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 new phenomena in events with a photon and missing transverse momentum in pp collisions at root s=13 TeV with the ATLAS detector[J]. JOURNAL OF HIGH ENERGY PHYSICS,2016(6).
APA ATLAS Collaboration.(2016).Search for new phenomena in events with a photon and missing transverse momentum in pp collisions at root s=13 TeV with the ATLAS detector.JOURNAL OF HIGH ENERGY PHYSICS(6).
MLA ATLAS Collaboration."Search for new phenomena in events with a photon and missing transverse momentum in pp collisions at root s=13 TeV with the ATLAS detector".JOURNAL OF HIGH ENERGY PHYSICS .6(2016).
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