Search for electroweak production of supersymmetric states in scenarios with compressed mass spectra at root s=13 TeV with the ATLAS detector

doi:10.1103/PhysRevD.97.052010

	Search for electroweak production of supersymmetric states in scenarios with compressed mass spectra at root s=13 TeV with the ATLAS detector
	ATLAS Collaboration
刊名	PHYSICAL REVIEW D
	2018
卷号	97 期号:5 页码:52010
ISSN号	2470-0010
DOI	10.1103/PhysRevD.97.052010
文献子类	Article
英文摘要	A search for electroweak production of supersymmetric particles in scenarios with compressed mass spectra in final states with two low-momentum leptons and missing transverse momentum is presented. This search uses proton-proton collision data recorded by the ATLAS detector at the Large Hadron Collider in 2015-2016, corresponding to 36.1 tb(-1) of integrated luminosity at root s = 13 TeV. Events with same flavor pairs of electrons or muons with opposite electric charge are selected. The data are found to be consistent with the Standard Model prediction. Results are interpreted using simplified models of R-parity conserving supersymmetry in which there is a small mass difference between the masses of the produced supersymmetric particles and the lightest neutralino. Exclusion limits at 95% confidence level are set on next-to-lightest neutralino masses of up to 145 GeV for Higgsino production and 175 GeV for wino production, and slepton masses of up to 190 GeV for pair production of sleptons. In the compressed mass regime, the exclusion limits extend down to mass splittings of 2.5 GeV for Higgsino production, 2 GeV for wino production, and 1 GeV for slepton production. The results are also interpreted in the context of a radiatively-driven natural supersymmetry model with nonuniversal Higgs boson masses.
电子版国际标准刊号	2470-0029
WOS关键词	NONUNIVERSAL HIGGS MASSES ; E(+)E(-) COLLISIONS ; HADRON COLLIDERS ; PARTON DISTRIBUTIONS ; LIGHTEST NEUTRALINO ; SCALAR LEPTONS ; PARTICLE ; MSSM ; CHARGINOS ; LHC
WOS研究方向	Astronomy & Astrophysics ; Physics
语种	英语
WOS记录号	WOS:000428390100001
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/285763]
专题	高能物理研究所_实验物理中心
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	ATLAS Collaboration. Search for electroweak production of supersymmetric states in scenarios with compressed mass spectra at root s=13 TeV with the ATLAS detector[J]. PHYSICAL REVIEW D,2018,97(5):52010.
APA	ATLAS Collaboration.(2018).Search for electroweak production of supersymmetric states in scenarios with compressed mass spectra at root s=13 TeV with the ATLAS detector.PHYSICAL REVIEW D,97(5),52010.
MLA	ATLAS Collaboration."Search for electroweak production of supersymmetric states in scenarios with compressed mass spectra at root s=13 TeV with the ATLAS detector".PHYSICAL REVIEW D 97.5(2018):52010.