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Searches for heavy long-lived charged particles with the ATLAS detector in proton-proton collisions at root s=8 TeV
ATLAS Collaboration
2015
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
卷号2015期号:1页码:68
文章类型Article
摘要Searches for heavy long-lived charged particles are performed using a data sample of 19.1 fb(-1) from proton-proton collisions at a centre-of-mass energy of root s = 8 TeV collected by the ATLAS detector at the Large Hadron Collider. No excess is observed above the estimated background and limits are placed on the mass of long-lived particles in various supersymmetric models. Long-lived tau sleptons in models with gauge-mediated symmetry breaking are excluded up to masses between 440 and 385 GeV for tan,3 between 10 and 50, with a 290 GeV limit in the case where only direct tau slepton production is considered. In the context of simplified LeptoSUSY models, where sleptons are stable and have a mass of 300 GeV, squark and gluino masses are excluded up to a mass of 1500 and 1360 GeV, respectively. Directly produced charginos, in simplified models where they are nearly degenerate to the lightest neutralino, are excluded up to a mass of 620 GeV. R-hadrons, composites containing a gluino, bottom squark or top squark, are excluded up to a mass of 1270, 845 and 900 GeV, respectively, using the full detector; and up to a mass of 1260, 835 and 870 GeV using an approach disregarding information from the muon spectrometer.
关键词Hadron-Hadron Scattering
学科领域Physics
DOI10.1007/JHEP01(2015)068
收录类别SCI
WOS类目Physics, Particles & Fields
WOS记录号WOS:000349610300001
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被引频次:16[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/311005/228146
专题实验物理中心
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ATLAS Collaboration. Searches for heavy long-lived charged particles with the ATLAS detector in proton-proton collisions at root s=8 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2015,2015(1):68.
APA ATLAS Collaboration.(2015).Searches for heavy long-lived charged particles with the ATLAS detector in proton-proton collisions at root s=8 TeV.JOURNAL OF HIGH ENERGY PHYSICS,2015(1),68.
MLA ATLAS Collaboration."Searches for heavy long-lived charged particles with the ATLAS detector in proton-proton collisions at root s=8 TeV".JOURNAL OF HIGH ENERGY PHYSICS 2015.1(2015):68.
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