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

Abstract

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.

Authors:

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

^[3]

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)

Publication Date:: Mon Aug 30 00:00:00 EDT 2021

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

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

OSTI Identifier:: 1836480

Grant/Contract Number:: SC0010120; AC02-06CH11357; NRF-2020R1I1A3072747

Resource Type:: Accepted Manuscript

Journal Name:: Journal of High Energy Physics (Online)

Additional Journal Information:: Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2021; Journal Issue: 8; Journal ID: ISSN 1029-8479

Publisher:: Springer Nature

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Beyond Standard Model; Heavy Quark Physics; Higgs Physics

Citation Formats


                    Dermisek, Radovan, Lunghi, Enrico, McGinnis, Navin, and Shin, Seodong. Tau-jet signatures of vectorlike quark decays to heavy charged and neutral Higgs bosons.  United States: N. p., 2021. 
Web.  doi:10.1007/jhep08(2021)159.

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                    Dermisek, Radovan, Lunghi, Enrico, McGinnis, Navin, & Shin, Seodong. Tau-jet signatures of vectorlike quark decays to heavy charged and neutral Higgs bosons.  United States.  https://doi.org/10.1007/jhep08(2021)159

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                    Dermisek, Radovan, Lunghi, Enrico, McGinnis, Navin, and Shin, Seodong. Mon .  
"Tau-jet signatures of vectorlike quark decays to heavy charged and neutral Higgs bosons".  United States.  https://doi.org/10.1007/jhep08(2021)159.  https://www.osti.gov/servlets/purl/1836480.

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@article{osti_1836480,

  title        = {Tau-jet signatures of vectorlike quark decays to heavy charged and neutral Higgs bosons},

  author       = {Dermisek, Radovan and Lunghi, Enrico and McGinnis, Navin and Shin, Seodong},

  abstractNote = {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.},

  doi          = {10.1007/jhep08(2021)159},

  journal      = {Journal of High Energy Physics (Online)},

  number       = 8,

  volume       = 2021,

  place        = {United States},

  year         = {Mon Aug 30 00:00:00 EDT 2021},

  month        = {Mon Aug 30 00:00:00 EDT 2021}

}

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

Abstract

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