Search for chargino neutralino production in final states with a W boson and Higgs boson

被引：0
|
作者：
Todome, Kazuki [1 ]
机构：
[1] Ist Nazl Fis Nucl, Sez Bologna, Bologna, Italy
来源：
NUOVO CIMENTO C-COLLOQUIA AND COMMUNICATIONS IN PHYSICS | 2020年 / 43卷 / 2-3期
关键词：
D O I：
10.1393/ncc/i2020-20102-8
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Supersymmetry (SUSY) is an extension of the Standard Model (SM), and its searches are a central part of ATLAS physics program. In this proceeding, the most recent result in searches of chargino ((X) over tilde (+/-)(1)) and neutralino ((chi) over tilde (0)(2)) production where ) (chi) over tilde (+/-)(1) decays in a W boson and the lightest and stable SUSY particle ((chi) over tilde (0)(1)),while (chi) over tilde (0)(2) decays in the lightest SUSY particle and a SM Higgs boson is reported. The search was based on the analysis of 36.1 fb(-1) pp collision data recorded by the ATLAS experiment at root s = 13TeV. Fully hadronic, semileptonic, diphoton, and multilepton (electrons, muons) final states with missing transverse momentum are considered in this search. Higgs bosom in the final state are identified by either two jets originating from bottom quarks (h -> bb(-)), two photons (h -> gamma gamma), or leptons from the decay modes h -> WW, h -> ZZ or h -> TT. As no SUSY signal was observed, the confidence level limits on charginos and neutralinos masses in the context of simplified SUSY models are reported.
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