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Search for dark matter and large extra dimensions in monojet events in pp collisions at root s=7 TeV
CMS Collaboration
2012
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号9
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要A search has been made for events containing an energetic jet and an imbalance in transverse momentum using a data sample of pp collisions at a center-of-mass energy of 7 TeV. This signature is common to both dark matter and extra dimensions models. The data were collected by the CMS detector at the LHC and correspond to an integrated luminosity of 5.0 fb(-1). The number of observed events is consistent with the standard model expectation. Constraints on the dark matter-nucleon scattering cross sections are determined for both spin-independent and spin-dependent interaction models. For the spin-independent model, these are the most constraining limits for a dark matter particle with mass below 3.5 GeV/c(2), a region unexplored by direct detection experiments. For the spin-dependent model, these are the most stringent constraints over the 0.1-200 GeV/c(2) mass range. The constraints on the Arkani-Hamed, Dimopoulos, and Dvali model parameter M D determined as a function of the number of extra dimensions are also an improvement over the previous results.
关键词E(+)E(-) COLLISIONS MISSING ENERGY COLLIDER SIGNATURES SINGLE-PHOTON
学科领域Physics
DOI10.1007/JHEP09(2012)094
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000310341200046
引用统计
被引频次:49[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/311005/213369
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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CMS Collaboration. Search for dark matter and large extra dimensions in monojet events in pp collisions at root s=7 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2012(9).
APA CMS Collaboration.(2012).Search for dark matter and large extra dimensions in monojet events in pp collisions at root s=7 TeV.JOURNAL OF HIGH ENERGY PHYSICS(9).
MLA CMS Collaboration."Search for dark matter and large extra dimensions in monojet events in pp collisions at root s=7 TeV".JOURNAL OF HIGH ENERGY PHYSICS .9(2012).
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