期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS A
卷 35, 期 15-16, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217751X20410110
关键词
Charged Higgs bosons; top quark polarization; beyond the Standard Model; hadronic collisions
资金
- CEPC theory program
- National Natural Science Foundation of China [11875189, 11835005]
- NExT Institute
- STFC [CG ST/L000296/1]
- H2020-MSCA-RISE-2014 Grant [645722]
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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