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Title: Two Higgs doublet model with vectorlike leptons and contributions to pp → W W and H → W W

Abstract

In this paper, we study a two Higgs doublet model extended by vectorlike leptons mixing with one family of standard model leptons. Generated flavor violating couplings between heavy and light leptons can dramatically alter the decay patterns of heavier Higgs bosons. We focus on pp → H → ν 4ν μ → W μν μ, where ν 4 is a new neutral lepton, and study possible effects of this process on the measurements of pp → W W and H → W W since it leads to the same final states. We discuss predictions for contributions to pp → W W and H →WW and their correlations from the region of the parameter space that satisfies all available constraints including precision electroweak observables and from pair production of vectorlike leptons. Large contributions, close to current limits, favor small tan β region of the parameter space. We find that, as a result of adopted cuts in experimental analyses, the contribution to pp → W W can be an order of magnitude larger than the contribution to H → W W . Thus, future precise measurements of pp → W W will further constrain the parameters of the model. Also, we alsomore » consider possible contributions to pp → W W from the heavy Higgs decays into a new charged lepton e 4 (H → e 4μ → W μν μ), exotic SM Higgs decays, and pair production of vectorlike leptons.« less

Authors:
 [1];  [2];  [2]
  1. Indiana Univ., Bloomington, IN (United States); Seoul National Univ. (Korea, Republic of)
  2. Indiana Univ., Bloomington, IN (United States)
Publication Date:
Research Org.:
Indiana Univ., Bloomington, IN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1327251
Grant/Contract Number:  
SC0010120
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Volume: 2016; Journal Issue: 2; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Higgs Physics; Beyond Standard Model

Citation Formats

Dermíšek, Radovan, Lunghi, Enrico, and Shin, Seodong. Two Higgs doublet model with vectorlike leptons and contributions to pp → W W and H → W W. United States: N. p., 2016. Web. doi:10.1007/JHEP02(2016)119.
Dermíšek, Radovan, Lunghi, Enrico, & Shin, Seodong. Two Higgs doublet model with vectorlike leptons and contributions to pp → W W and H → W W. United States. doi:10.1007/JHEP02(2016)119.
Dermíšek, Radovan, Lunghi, Enrico, and Shin, Seodong. Thu . "Two Higgs doublet model with vectorlike leptons and contributions to pp → W W and H → W W". United States. doi:10.1007/JHEP02(2016)119. https://www.osti.gov/servlets/purl/1327251.
@article{osti_1327251,
title = {Two Higgs doublet model with vectorlike leptons and contributions to pp → W W and H → W W},
author = {Dermíšek, Radovan and Lunghi, Enrico and Shin, Seodong},
abstractNote = {In this paper, we study a two Higgs doublet model extended by vectorlike leptons mixing with one family of standard model leptons. Generated flavor violating couplings between heavy and light leptons can dramatically alter the decay patterns of heavier Higgs bosons. We focus on pp → H → ν4νμ → W μνμ, where ν4 is a new neutral lepton, and study possible effects of this process on the measurements of pp → W W and H → W W since it leads to the same final states. We discuss predictions for contributions to pp → W W and H →WW and their correlations from the region of the parameter space that satisfies all available constraints including precision electroweak observables and from pair production of vectorlike leptons. Large contributions, close to current limits, favor small tan β region of the parameter space. We find that, as a result of adopted cuts in experimental analyses, the contribution to pp → W W can be an order of magnitude larger than the contribution to H → W W . Thus, future precise measurements of pp → W W will further constrain the parameters of the model. Also, we also consider possible contributions to pp → W W from the heavy Higgs decays into a new charged lepton e4 (H → e4μ → W μνμ), exotic SM Higgs decays, and pair production of vectorlike leptons.},
doi = {10.1007/JHEP02(2016)119},
journal = {Journal of High Energy Physics (Online)},
issn = {1029-8479},
number = 2,
volume = 2016,
place = {United States},
year = {2016},
month = {2}
}

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Cited by: 11 works
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Works referenced in this record:

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