Searching for heavy charged Higgs bosons through top quark polarization

被引：3
|
作者：
Arhrib, Abdesslam [1 ]
Jueid, Adil [2 ,3 ]
Moretti, Stefano [4 ]
机构：
[1] Univ Abdelmalek Essaadi, Fac Sci & Tech, Dept Math, B416, Tangier, Morocco
[2] Shanghai Tiao Tong Univ, Dept Phys & Astron, Shanghai Key Lab Particle Phys & Cosmol, INPAC, Shanghai 200240, Peoples R China
[3] Konkuk Univ, Dept Phys, Seoul 05029, South Korea
[4] Univ Southampton, Sch Phys & Astron, Southampton SO17 1BJ, Hants, England
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2020年 / 35卷 / 15-16期
基金：
中国国家自然科学基金; 欧盟地平线“2020”;
关键词：
Charged Higgs bosons; top quark polarization; beyond the Standard Model; hadronic collisions;
D O I：
10.1142/S0217751X20410110
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：
We study the production of a heavy charged Higgs boson at the Large Hadron Collider (LHC) in gb -> H-t within a 2-Higgs Doublet Model (2HDM). The chiral structure of the H+(t) over barb coupling can trigger a particular spin state of the top quark produced in the decay of a charged Higgs boson and, therefore, is sensitive to the underlying mechanism of the Electroweak Symmetry Breaking (EWSB). Taking two benchmark models (2HDM type-I and 2HDM type-Y) as an example, we show that inclusive rates, differential distributions and forward-backward asymmetries of the top quark's decay products can be used to search for heavy charged Higgs bosons and also as model discriminators.
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页数：9
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