BROWSE

Related Scientist

Shin, Seodong's photo.

Shin, Seodong
순수물리이론 연구단
more info

ITEM VIEW & DOWNLOAD

Cascade decays of heavy Higgs bosons through vectorlike quarks in two Higgs doublet models

Cited 0 time in webofscience Cited 0 time in scopus
33 Viewed 0 Downloaded
Title
Cascade decays of heavy Higgs bosons through vectorlike quarks in two Higgs doublet models
Author(s)
Radovan Dermisek; Enrico Lunghi; Seodong Shin
Publication Date
2020-03
Journal
JOURNAL OF HIGH ENERGY PHYSICS, v.2020, no.3, pp.29
Publisher
SPRINGER
Abstract
© 2020, The Author(s). We study cascade decays of heavy neutral Higgs bosons through vectorlike quarks. We focus on scenarios where decay modes into pairs of vectorlike quarks are not kinematically open which extends the sensitivity of the LHC to larger masses. Assuming only mixing with the third family of standard model quarks the new decay modes of heavy Higgs bosons are: H -> t(4)t -> Wbt, Ztt, htt and H -> b(4)b -> Wtb, Zbb, hbb, where t(4) (b(4)) is the new up-type (down-type) quark mass eigenstate. In the numerical analysis we assume the CP even Higgs boson in the two Higgs doublet model type-II but the signatures are relevant for many other scenarios. We identify the region of the parameter space where these decay modes are significant or can even dominate, and thus they provide the best opportunities for the simultaneous discovery of a new Higgs boson and vectorlike quarks. We further explore the reach of the High Luminosity LHC for two representative decay modes, t(4)-> Zt -> llt and b(4)-> Zb -> llb, and found that cross sections at a 0.1 fb level can be probed with simple cut based analyses. We also find that the rates for Higgs cascade decays can be much larger than the rates for a single production of vectorlike quarks. Furthermore, the reach for vectorlike quarks in Higgs cascade decays and pair production extends to comparable masses
URI
https://pr.ibs.re.kr/handle/8788114/8720
DOI
10.1007/JHEP03(2020)029
ISSN
1029-8479
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > 1. Journal Papers (저널논문)
Files in This Item:
There are no files associated with this item.

qrcode

  • facebook

    twitter

  • Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.
해당 아이템을 이메일로 공유하기 원하시면 인증을 거치시기 바랍니다.

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

Browse