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Search for the direct production of charginos, neutralinos and staus in final states with at least two hadronically decaying taus and missing transverse momentum in pp collisions at root s=8 TeVwith the ATLAS detecto
ATLAS Collaboration
2014
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号10
通讯作者Aad, G (reprint author), Aix Marseille Univ, CPPM, Marseille, France.
摘要Results of a search for the electroweak associated production of charginos and next-to-lightest neutralinos, pairs of charginos or pairs of tau sleptons are presented. These processes are characterised by final states with at least two hadronically decaying tau leptons, missing transverse momentum and low jet activity. The analysis is based on an integrated luminosity of 20.3 fb(-1) of proton-proton collisions at root s = 8 TeV recorded with the ATLAS experiment at the Large Hadron Collider. No significant excess is observed with respect to the predictions from Standard Model processes. Limits are set at 95% confidence level on the masses of the lighter chargino and next-to-lightest neutralino for various hypotheses for the lightest neutralino mass in simplified models. In the scenario of direct production of chargino pairs, with each chargino decaying into the lightest neutralino via an intermediate tau slepton, chargino masses up to 345 GeV are excluded for a massless lightest neutralino. For associated production of mass-degenerate charginos and next-to-lightest neutralinos, both decaying into the lightest neutralino via an intermediate tau slepton, masses up to 410 GeV are excluded for a massless lightest neutralino.
关键词DYNAMICAL SUPERSYMMETRY BREAKING SYMMETRY-BREAKING SUPERGAUGE TRANSFORMATIONS E(+)E(-) COLLISIONS PARTICLE MODEL COLLIDERS MASSES EXTENSION CURRENTS
学科领域Physics
DOI10.1007/JHEP10(2014)096
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000347904800001
引用统计
被引频次:17[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/311005/213848
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 the direct production of charginos, neutralinos and staus in final states with at least two hadronically decaying taus and missing transverse momentum in pp collisions at root s=8 TeVwith the ATLAS detecto[J]. JOURNAL OF HIGH ENERGY PHYSICS,2014(10).
APA ATLAS Collaboration.(2014).Search for the direct production of charginos, neutralinos and staus in final states with at least two hadronically decaying taus and missing transverse momentum in pp collisions at root s=8 TeVwith the ATLAS detecto.JOURNAL OF HIGH ENERGY PHYSICS(10).
MLA ATLAS Collaboration."Search for the direct production of charginos, neutralinos and staus in final states with at least two hadronically decaying taus and missing transverse momentum in pp collisions at root s=8 TeVwith the ATLAS detecto".JOURNAL OF HIGH ENERGY PHYSICS .10(2014).
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