Lepton flavor violating higgs decays in supersymmetric models

2017 ◽  
Author(s):  
Cem Salih Ün ◽  
Ahmed Hammad ◽  
Shaaban Khalil
Keyword(s):  
Lepton Flavor ◽  
Supersymmetric Models

scholarly journals Lepton Flavor Violation beyond the MSSM

2015 ◽  
Vol 2015 ◽  
pp. 1-22 ◽  
Author(s):  
A. Vicente
Keyword(s):  
Standard Model ◽  
Parity Violation ◽  
New Physics ◽  
Lepton Flavor Violation ◽  
Lepton Sector ◽  
Lepton Flavor ◽  
Flavor Violation ◽  
The Standard Model ◽  
Supersymmetric Models ◽  
Characteristic Features

Most extensions of the Standard Model lepton sector predict large lepton flavor violating rates. Given the promising experimental perspectives for lepton flavor violation in the next few years, this generic expectation might offer a powerful indirect probe to look for new physics. In this review we will cover several aspects of lepton flavor violation in supersymmetric models beyond the Minimal Supersymmetric Standard Model. In particular, we will concentrate on three different scenarios: high-scale and low-scale seesaw models as well as models withR-parity violation. We will see that in some cases the LFV phenomenology can have characteristic features for specific scenarios, implying that dedicated studies must be performed in order to correctly understand the phenomenology in nonminimal supersymmetric models.

scholarly journals Spontaneous CP violation and horizontal symmetry in the MSSM: toward lepton flavor naturalness

2021 ◽  
Vol 2021 (9) ◽  
Author(s):  
Daniel Aloni ◽  
Pouya Asadi ◽  
Yuichiro Nakai ◽  
Matthew Reece ◽  
Motoo Suzuki
Keyword(s):  
Dipole Moment ◽  
Cp Violation ◽  
Electric Dipole ◽  
Mass Matrix ◽  
Mass Scale ◽  
Fine Tuning ◽  
Lepton Flavor ◽  
Horizontal Symmetry ◽  
Supersymmetric Models ◽  
Electron Electric Dipole Moment

Abstract We study the contributions of supersymmetric models with a U(1) horizontal symmetry and only spontaneous CP breaking to various lepton flavor observables, such as μ → eγ and the electron electric dipole moment. We show that both a horizontal symmetry and a lack of explicit CP violation can alleviate the existing bounds from such observables. The undetermined $$ \mathcal{O} $$ O (1) coefficients in such mass matrix models muddle the interpretation of the bounds from various flavor observables. To overcome this, we define a new fine-tuning measure for different observables in such setups. This allows us to study how naturally the observed IR flavor observables can emerge from a given mass matrix model. We use our flavor-naturalness measure in study of our supersymmetric models and quantify the degree of fine tuning required by the bounds from various lepton flavor observables at each mass scale of sleptons, neutralinos, and charginos.

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