Collider prospects for the muon in a general two-Higgs-doublet model
Abstract
Recent progress on muon g – 2 measurement prompts one to take it even more seriously. In the general two Higgs doublet model that allows extra Yukawa couplings, we take a simplified approach of single enhanced coupling. We fix the charged lepton flavor violating coupling, ρτμ = ρμτ, via the one-loop mechanism, for illustrative masses of the heavy scalar H and pseudoscalar A, where we assume mA = mH+. Since extra top Yukawa couplings are plausibly the largest, we turn on ρtt and find that LHC search for gg → H, A → τμ gives a more stringent bound than from τ → μγ with the two-loop mechanism. Turning on a second extra top Yukawa coupling, ρtc, can loosen the bound on ρtt, but LHC constraints can again be more stringent than from B → Dμν versus Deν universality. This means that evidence for H, A → τμ may yet emerge with full LHC Run 2 data, while direct search for τ±μ∓bW+ or t$$\bar{c}$$bW+ (plus conjugate) may also bear fruit.
- Authors:
- Publication Date:
- Research Org.:
- Univ. of Oklahoma, Norman, OK (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1827775
- Alternate Identifier(s):
- OSTI ID: 1979916
- Grant/Contract Number:
- SC0009956
- Resource Type:
- Published Article
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Name: Physical Review D Journal Volume: 104 Journal Issue: 7; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; Astronomy & Astrophysics; Physics
Citation Formats
Hou, Wei-Shu, Jain, Rishabh, Kao, Chung, Kumar, Girish, and Modak, Tanmoy. Collider prospects for the muon g − 2 in a general two-Higgs-doublet model. United States: N. p., 2021.
Web. doi:10.1103/PhysRevD.104.075036.
Hou, Wei-Shu, Jain, Rishabh, Kao, Chung, Kumar, Girish, & Modak, Tanmoy. Collider prospects for the muon g − 2 in a general two-Higgs-doublet model. United States. https://doi.org/10.1103/PhysRevD.104.075036
Hou, Wei-Shu, Jain, Rishabh, Kao, Chung, Kumar, Girish, and Modak, Tanmoy. Wed .
"Collider prospects for the muon g − 2 in a general two-Higgs-doublet model". United States. https://doi.org/10.1103/PhysRevD.104.075036.
@article{osti_1827775,
title = {Collider prospects for the muon g − 2 in a general two-Higgs-doublet model},
author = {Hou, Wei-Shu and Jain, Rishabh and Kao, Chung and Kumar, Girish and Modak, Tanmoy},
abstractNote = {Recent progress on muon g – 2 measurement prompts one to take it even more seriously. In the general two Higgs doublet model that allows extra Yukawa couplings, we take a simplified approach of single enhanced coupling. We fix the charged lepton flavor violating coupling, ρτμ = ρμτ, via the one-loop mechanism, for illustrative masses of the heavy scalar H and pseudoscalar A, where we assume mA = mH+. Since extra top Yukawa couplings are plausibly the largest, we turn on ρtt and find that LHC search for gg → H, A → τμ gives a more stringent bound than from τ → μγ with the two-loop mechanism. Turning on a second extra top Yukawa coupling, ρtc, can loosen the bound on ρtt, but LHC constraints can again be more stringent than from B → Dμν versus Deν universality. This means that evidence for H, A → τμ may yet emerge with full LHC Run 2 data, while direct search for τ±μ∓bW+ or t$\bar{c}$bW+ (plus conjugate) may also bear fruit.},
doi = {10.1103/PhysRevD.104.075036},
journal = {Physical Review D},
number = 7,
volume = 104,
place = {United States},
year = {Wed Oct 27 00:00:00 EDT 2021},
month = {Wed Oct 27 00:00:00 EDT 2021}
}
https://doi.org/10.1103/PhysRevD.104.075036
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