Tau-jet signatures of vectorlike quark decays to heavy charged and neutral Higgs bosons

Dermisek, Radovan; Lunghi, Enrico; McGinnis, Navin; Shin, Seodong

doi:10.1007/jhep08(2021)159

Title: Tau-jet signatures of vectorlike quark decays to heavy charged and neutral Higgs bosons

Journal Article · 30 August 2021 · Journal of High Energy Physics (Online)

DOI: https://doi.org/10.1007/jhep08(2021)159 · OSTI ID:1836480

Dermisek, Radovan ^[1]; Lunghi, Enrico ^[2]; McGinnis, Navin ^[3];

^[4]

Indiana Univ., Bloomington, IN (United States); Indiana University, Bloomington
Indiana Univ., Bloomington, IN (United States)
TRIUMF, Vancouver, BC (Canada); Argonne National Lab. (ANL), Argonne, IL (United States)
Jeonbuk National Univ., Jeonju (Korea, Republic of)

We study 4b + 2τ and 4b + 1τ signatures of heavy neutral and charged Higgs bosons originating from cascade decays of pair-produced new quarks. Decays of vectorlike quarks through heavy Higgses can easily dominate in the two Higgs doublet model of type-II, and the studied signatures are common to many possible decay chains. We design search strategies for these final states and discuss the mass ranges of heavy Higgs bosons and new quarks that can be explored at the Large Hadron Collider as functions of branching ratios in a model independent way. We further combine the results with a similar study focusing on decays which lead to a 6b final state and interpret the sensitivity to charged and neutral Higgs bosons and vectorlike quarks in the type-II two Higgs doublet model. We find that the LHC reach for their masses extends to well above 2 TeV in the case of an SU(2) doublet quark and to at least 1.8 TeV for a bottom-like SU(2) singlet quark in the whole range of tan β between 1 and 50.

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Research Organization:: Indiana Univ., Bloomington, IN (United States)

Sponsoring Organization:: National Research Foundation of Korea (NRF); USDOE Office of Science (SC), High Energy Physics (HEP)

Grant/Contract Number:: AC02-06CH11357; SC0010120

OSTI ID:: 1836480

Journal Information:: Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 8 Vol. 2021; ISSN 1029-8479

Publisher:: Springer NatureCopyright Statement

Country of Publication:: United States

Language:: English

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