Search for heavy resonances decaying into a pair of Z bosons using 139 fb-1 of p-p collisions at √s=13 TeV with the ATLAS detector

被引：0
|
作者：
Lagouri, Theodota [1 ]
机构：
[1] Univ Tarapaca, Inst Alta Invest, Arica, Chile
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2022年 / 37卷 / 07期
关键词：
HEP; ATLAS; Higgs; GLUON FUSION;
D O I：
10.1142/S0217751X21410074
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
This paper presents the search for heavy resonances decaying into a pair of Z bosons leading to the l(+)l(-)l('+)l('-) and l(+)l(-)v (v ) over bar final states, where E stands for either an electron or a muon. The search uses proton-proton collision data at a center-of-mass energy of 13 TeV collected with the ATLAS detector from 2015 to 2018 corresponding to an integrated luminosity of 139 fb(-1 ), which is the full data statistics collected during the Run 2 of the Large Hadron Collider (LHC). The mass range for the hypothetical resonances considered spans from 200 GeV to 2000 GeV. In the absence of an observed significant excess, the results are interpreted as upper limits on the production cross-section of a spin-0 or spin-2 resonance. The upper limits for the spin-0 resonance are interpreted to exclusion contours in the context of Type-I and Type-II two-Higgs-doublet models (2HDM), while those for the spin-2 resonance are used to constrain the Randall-Sundrum (RS) model with an extra dimension giving rise to spin-2 graviton excitations.
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页数：31
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