Search for associated production of dark matter and top quarks with the ATLAS detector

被引：0
|
作者：
Farina, E. [1 ,2 ]
机构：
[1] Univ Pavia, Pavia, Italy
[2] INFN, Pavia, Italy
来源：
NUOVO CIMENTO C-COLLOQUIA AND COMMUNICATIONS IN PHYSICS | 2018年 / 41卷 / 1-2期
关键词：
D O I：
10.1393/ncc/i2018-18013-0
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
With the increase of the. integrated liauinosity recorded by I,HC, the research of possible dark-matter candidates assumes more and more importance. In simplified dark-matter production models, dark matter is produced from the decay of a mediator, coupled both to standard model particles and dark matter. For scalar and pseudoscalar mediators, the associate production of dark matter and two top quarks gives an excellent sensitivity on a wide range of model parameters, mainly thanks to the high top quark Yukawa coupling. In particular the analyses are focused on the top quark decays in zero, one and two leptons. In this contribution, updates concerning the most recent ATLAS results based on 13 fb-1 of 13TeN7 LHC data are given.
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