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Related papers: Lepton flavor violation beyond the MSSM

200 papers

Gauged extensions [$SU(2)_L\otimes U(1)_Y\otimes U(1)_X$] of the standard $SU(2)_L\otimes U(1)_Y$ model obtained without extending the fermion content of the model are studied. Models that are possible when $U(1)_X$ is identified with some…

High Energy Physics - Phenomenology · Physics 2009-10-28 Gautam Dutta , K. B. Vijaykumar , Anjan S. Joshipura

We analyze new sources of flavor violation in models with extra dimensions. We focus on three major classes of five dimensional models: models with universal extra dimension, models with split fermions, and models with warped extra…

High Energy Physics - Phenomenology · Physics 2009-11-10 S. Khalil , R. Mohapatra

Lepton Flavor Universality Violation (LFUV) in $b\rightarrow s l^+ l^-$ processes is investigated in the context of a 331 model. It is shown that in order to explain the experimentally observed deviations from the Standard Model in these…

High Energy Physics - Phenomenology · Physics 2020-03-09 Soumia Lebbal , Noureddine Mebarki , Jamal Mimouni

We study charged lepton flavour violation in low-scale seesaw models of minimal supergravity, which realize large neutrino Yukawa couplings thanks to approximate lepton-number symmetries. There are two dominant sources of lepton flavour…

High Energy Physics - Phenomenology · Physics 2013-08-01 Amon Ilakovac , Apostolos Pilaftsis , Luka Popov

A future $Z$-factory will offer the possibility to study rare $Z$ decays $Z\rightarrow l_1l_2$, as those leading to Lepton Flavor Violation final states. In this work, by taking account of the constraints from radiative two body decays…

High Energy Physics - Phenomenology · Physics 2019-05-22 Ke-Sheng Sun , Jian-Bin Chen , Xiu-Yi Yang , Sheng-Kai Cui

We study the supersymmetric version of the type-II seesaw mechanism assuming minimal supergravity boundary conditions. We calculate branching ratios for lepton flavour violating (LFV) scalar tau decays, potentially observable at the LHC, as…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Hirsch , S. Kaneko , W. Porod

We introduce SuperLFV, a numerical tool for calculating low-energy observables that exhibit charged lepton flavor violation (LFV) in the context of the minimal supersymmetric standard model (MSSM). As the Large Hadron Collider and MEG, a…

High Energy Physics - Phenomenology · Physics 2015-06-15 Brandon Murakami

We review flavour and CP violations in the lepton sector as probes of new physics beyond the standard model and its minimal extensions accommodating massive neutrinos. After recalling the main experimental bounds and the future…

High Energy Physics - Phenomenology · Physics 2015-09-29 Ferruccio Feruglio

A widely adopted theoretical scheme to account for the neutrino oscillation phenomena is the see-saw mechanism together with the ``lopsided'' mass matrices, which is generally realized in the framework of supersymmetric grand unification.…

High Energy Physics - Phenomenology · Physics 2014-11-17 Xiao-Jun Bi

This reports summarizes the activities of the Charged Lepton Flavor Violation group of the 2022 Community Summer Study. Charged lepton flavor violating reactions provide unique information on the scale and dynamics of flavor generation, and…

High Energy Physics - Experiment · Physics 2022-09-02 Sacha Davidson , Bertrand Echenard , Robert H. Bernstein , Julian Heeck , David G. Hitlin

This dissertation investigates the flavor mixing effects in supersymmetric models on electroweak precision observables, Higgs boson mass predictions, B-physics observables, quark flavor violating Higgs decays, lepton flavor violating…

High Energy Physics - Phenomenology · Physics 2016-05-09 Muhammad Rehman

The loop level lepton flavor violating signals $\gamma \gamma \to \ell \ell' (\ell=e,\mu,\tau, \ell \neq \ell^\prime)$ are studied in a scenario of low-energy, R-parity conserving, supersymmetric seesaw mechanism within the context of a…

High Energy Physics - Phenomenology · Physics 2014-11-18 M. Cannoni , C. Carimalo , W. Da Silva , O. Panella

We carry out an exhaustive analysis of lepton flavor violating processes within the Simplest Little Higgs model. Its discovery could be expected from either $\mu\to e$ conversion in nuclei, $\mu\to e\gamma$ or $\mu\to3e$ decays. Then, the…

High Energy Physics - Phenomenology · Physics 2022-09-26 Enrique Ramirez , Pablo Roig

We investigate the lepton flavor violation (LFV) in the inert scalar model with higher representations. We generalize the inert doublet model with right handed neutrino by using higher scalar and fermion representation of $SU(2)_{L}$. As…

High Energy Physics - Phenomenology · Physics 2015-12-23 Talal Ahmed Chowdhury , Salah Nasri

We study the anatomy and phenomenology of Lepton Flavor Violation (LFV) in the context of Flavored Gauge Mediation (FGM). Within FGM, the messenger sector couples directly to the MSSM matter fields with couplings controlled by the same…

High Energy Physics - Phenomenology · Physics 2014-12-31 Lorenzo Calibbi , Paride Paradisi , Robert Ziegler

In this work we explore a lepton flavor violation effect induced at one loop for a flavor structure in an extended minimal standard supersymmetric model, considering an ansatz for the trilinear term. In particular we find a finite…

High Energy Physics - Phenomenology · Physics 2016-11-23 R. Espinosa-Castañeda , F. V. Flores-Baez , M. Gómez-Bock , M. Mondragón

The muon $g-2$ anomaly is a long-standing discrepancy from its standard model prediction. The recent improved measurement of the fine structure constant makes the electron $g-2$ anomaly very interesting for both sign and magnitude in…

High Energy Physics - Phenomenology · Physics 2019-02-13 Bhaskar Dutta , Yukihiro Mimura

In supersymmetric (SUSY) models the misalignment between fermion and sfermion families introduces unsuppressed flavor-changing processes. Even if the mass parameters are chosen to give no flavor violation, family dependent radiative…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. I. Illana , M. Masip

If low energy supersymmetry is realized in nature it is possible that a first generation linear collider will only have access to some of the superpartners with electroweak quantum numbers. Among these, sleptons can provide sensitive probes…

High Energy Physics - Phenomenology · Physics 2009-11-07 Michael Dine , Yuval Grossman , Scott Thomas

We analyze the prospects of observing lepton flavour violation in future e-e- and e+e- linear colliders in scenarios where the gravitino is the lightest supersymmetric particle, and the stau is the next-to-lightest supersymmetric particle.…

High Energy Physics - Phenomenology · Physics 2010-02-03 Alejandro Ibarra , Sourov Roy