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Title: Higgs flavor phenomenology in a supersymmetric left-right model with parity

Abstract

In this paper, we focus on the supersymmetric model with left-right (LR) symmetry, that is especially proposed in our previous work [1]. In this model, there are four Higgs doublets in order to realize the Standard Model (SM) fermion masses and the Cabibbo-Kobayashi-Maskawa matrix. The heavy Higgs doublets unavoidably have flavor changing couplings to the SM fermions and induce flavor-changing neutral currents at tree level. We study broader parameter space than the previous work with including the renormalization group corrections to the Yukawa couplings between the LR breaking scale, \( \mathcal{O} \)(1013) GeV, and the supersymmetry breaking scales, \( \mathcal{O} \)(100) TeV. The CP violating observable in K–\( \overline{K} \) mixing, ϵK, strongly constrains the model, so that heavy Higgs mass should be heavier than \( \mathcal{O} \)(100) TeV. We study the lepton flavor violating (LFV) processes setting heavy Higgs masses to be 170 TeV. The branching ratios of μ → 3e and the μe conversion can be larger than 10-16 that could be covered by the future experiments. We also study the degree of fine-tuning in the parameter region that predicts testable LFV processes.

Authors:
 [1];  [2];  [3];  [4]
  1. Nagoya Univ. (Japan). Dept. of Physics
  2. Inst. for Basic Science (IBS), Daejeon (Korea, Republic of). Center for Theoretical Physics of the Universe; Keio Univ., Yokohama (Japan)
  3. Kindai Univ., Osaka (Japan). Dept. of Physics
  4. Huazhong Univ. of Science and Technology, Wuhan (China). School of Physics
Publication Date:
Research Org.:
The Ohio State Univ., Columbus, OH (United States)
Sponsoring Org.:
USDOE Office of Science (SC); Japan Society for the Promotion of Science (JSPS)
OSTI Identifier:
1851533
Grant/Contract Number:  
SC0011726; 19J10980; 18K13534; 19H04614; 19H05101; 19K03867
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: 6; Journal ID: ISSN 1029-8479
Publisher:
Springer Nature
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; Physics; Phenomenology of field theories in higher dimensions; Supersymmetry phenomenology

Citation Formats

Iguro, Syuhei, Kawamura, Junichiro, Omura, Yuji, and Shigekami, Yoshihiro. Higgs flavor phenomenology in a supersymmetric left-right model with parity. United States: N. p., 2021. Web. doi:10.1007/jhep06(2021)125.
Iguro, Syuhei, Kawamura, Junichiro, Omura, Yuji, & Shigekami, Yoshihiro. Higgs flavor phenomenology in a supersymmetric left-right model with parity. United States. https://doi.org/10.1007/jhep06(2021)125
Iguro, Syuhei, Kawamura, Junichiro, Omura, Yuji, and Shigekami, Yoshihiro. Fri . "Higgs flavor phenomenology in a supersymmetric left-right model with parity". United States. https://doi.org/10.1007/jhep06(2021)125. https://www.osti.gov/servlets/purl/1851533.
@article{osti_1851533,
title = {Higgs flavor phenomenology in a supersymmetric left-right model with parity},
author = {Iguro, Syuhei and Kawamura, Junichiro and Omura, Yuji and Shigekami, Yoshihiro},
abstractNote = {In this paper, we focus on the supersymmetric model with left-right (LR) symmetry, that is especially proposed in our previous work [1]. In this model, there are four Higgs doublets in order to realize the Standard Model (SM) fermion masses and the Cabibbo-Kobayashi-Maskawa matrix. The heavy Higgs doublets unavoidably have flavor changing couplings to the SM fermions and induce flavor-changing neutral currents at tree level. We study broader parameter space than the previous work with including the renormalization group corrections to the Yukawa couplings between the LR breaking scale, \( \mathcal{O} \)(1013) GeV, and the supersymmetry breaking scales, \( \mathcal{O} \)(100) TeV. The CP violating observable in K–\( \overline{K} \) mixing, ϵK, strongly constrains the model, so that heavy Higgs mass should be heavier than \( \mathcal{O} \)(100) TeV. We study the lepton flavor violating (LFV) processes setting heavy Higgs masses to be 170 TeV. The branching ratios of μ → 3e and the μ–e conversion can be larger than 10-16 that could be covered by the future experiments. We also study the degree of fine-tuning in the parameter region that predicts testable LFV processes.},
doi = {10.1007/jhep06(2021)125},
journal = {Journal of High Energy Physics (Online)},
number = 6,
volume = 2021,
place = {United States},
year = {Fri Jun 18 00:00:00 EDT 2021},
month = {Fri Jun 18 00:00:00 EDT 2021}
}

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