Search for bottom squark pair production in proton-proton collisions at root s=13 TeV with the ATLAS detector
ATLAS Collaboration
刊名EUROPEAN PHYSICAL JOURNAL C
2016
卷号76期号:10
DOI10.1140/epjc/s10052-016-4382-4
文章类型Article
英文摘要The result of a search for pair production of the supersymmetric partner of the Standard Model bottom quark ((b) over tilde (1)) is reported. The search uses 3.2 fb(-1) of pp collisions at root s = 13 TeV collected by the ATLAS experiment at the Large Hadron Collider in 2015. Bottom squarks are searched for in events containing large missing transverse momentum and exactly two jets identified as originating from b-quarks. No excess above the expected Standard Model background yield is observed. Exclusion limits at 95 % confidence level on the mass of the bottom squark are derived in phenomenological supersymmetric R-parity-conserving models in which the (b) over tilde (1) is the lightest squark and is assumed to decay exclusively via (b) over tilde (1) -> b (chi) over tilde (0)(1), where (chi) over tilde (0)(1) is the lightest neutralino. The limits significantly extend previous results; bottom squark masses up to 800 (840) GeV are excluded for the. (chi) over tilde (0)(1) mass below 360 (100) GeV whilst differences in mass above 100 GeV between the (b) over tilde (1) and the (chi) over tilde (0)(1) are excluded up to a (b) over tilde (1) mass of 500 GeV.
关键词[WOS]PARTON DISTRIBUTIONS ; HADRON COLLIDERS ; PLUS PLUS ; SUPERSYMMETRY ; PARTICLE ; EXTENSION ; DECAY ; WEAK ; LHC
语种英语
WOS记录号WOS:000385249500004
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被引频次:15[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/311005/260926
专题中国科学院高能物理研究所_实验物理中心_期刊论文
作者单位中国科学院高能物理研究所
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ATLAS Collaboration. Search for bottom squark pair production in proton-proton collisions at root s=13 TeV with the ATLAS detector[J]. EUROPEAN PHYSICAL JOURNAL C,2016,76(10).
APA ATLAS Collaboration.(2016).Search for bottom squark pair production in proton-proton collisions at root s=13 TeV with the ATLAS detector.EUROPEAN PHYSICAL JOURNAL C,76(10).
MLA ATLAS Collaboration."Search for bottom squark pair production in proton-proton collisions at root s=13 TeV with the ATLAS detector".EUROPEAN PHYSICAL JOURNAL C 76.10(2016).
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