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相关论文: General Conditions for Lepton Flavour Violation at…

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The lepton flavour violating signals $e^{+}e^{-}\to \ell^{+}e^{-}$ and $e^{-}e^{-}\to \ell^{-}e^- (\ell=\mu,\tau)$ are studied in the context of low energy R-parity conserving supersymmetry at center of mass energies of interest for the…

高能物理 - 唯象学 · 物理学 2009-11-10 M. Cannoni , St. Kolb , O. Panella

We investigate the possibility of having sizable effects from flavor changing neutral currents at the tree level in a particular class of Two Higgs Doublet Models. Constraints from existing experimental information are discussed. Some…

高能物理 - 唯象学 · 物理学 2007-05-23 Laura Reina

Charged lepton flavour violation is reappraised in the context of supersymmetric see-saw mechanism. It is pointed out that a non-trivial flavour structure of right-handed neutrinos, whose effect has been thus far less studied, can give rise…

高能物理 - 唯象学 · 物理学 2014-05-14 Jae-hyeon Park

These proceedings introduce the main techniques and ideas for a systematic effective field theory analysis of CP violation in the charged lepton sector. This study is required because the Standard Model of particle physics predicts a very…

高能物理 - 唯象学 · 物理学 2022-09-21 Giovanni Marco Pruna

We perform the one-loop induced charged lepton flavor violating decays of the neutral Higgses in an extended mirror fermion model with non-sterile electroweak-scale right-handed neutrinos and a horizontal $A_4$ symmetry in the lepton…

高能物理 - 唯象学 · 物理学 2016-08-03 Chia-Feng Chang , Chia-Hung Vincent Chang , Chrisna Setyo Nugroho , Tzu-Chiang Yuan

We propose a mechanism that allows for sizeable flavour violation in quark-lepton currents, while suppressing flavour changing neutral currents in quark-quark and lepton-lepton sectors. The mechanism is applied to the recently proposed 4321…

高能物理 - 唯象学 · 物理学 2018-12-05 Luca Di Luzio , Javier Fuentes-Martin , Admir Greljo , Marco Nardecchia , Sophie Renner

A variety of lepton flavour violating effects related to the recent discovery of neutrino oscillations and mixings is here systematically discussed in terms of an S_3-flavour permutational symmetry. After a brief review of some relevant…

高能物理 - 唯象学 · 物理学 2008-11-26 A. Mondragón , M. Mondragón , E. Peinado

We discuss leptonic mixing and CP violation at low and high energies, emphasizing possible connections between leptogenesis and CP violation at low energies, in the context of lepton flavour models. Furthermore we analyse weak basis…

高能物理 - 唯象学 · 物理学 2009-11-10 Gustavo C. Branco , M. N. Rebelo

I give a sketchy overview on aspects related to the lepton flavour sector in the standard model and its possible extensions.

高能物理 - 唯象学 · 物理学 2010-11-01 Thorsten Feldmann

We propose renormalizable models of new physics that can explain various anomalies observed in decays of B-mesons to electron and muon pairs. The new physics states couple to linear combinations of Standard Model fermions, yielding a…

高能物理 - 唯象学 · 物理学 2016-07-20 Ben Gripaios , M. Nardecchia , S. A. Renner

We present a general analysis of extensions of the Standard Model which satisfy the criterion of Minimal Flavour Violation (MFV). We define this general framework by constructing a low-energy effective theory containing the Standard Model…

高能物理 - 唯象学 · 物理学 2009-10-09 G. D'Ambrosio , G. F. Giudice , G. Isidori , A. Strumia

We study the phenomenology of d=7 1-loop neutrino mass models. All models in this particular class require the existence of several new $SU(2)_L$ multiplets, both scalar and fermionic, and thus predict a rich phenomenology at the LHC. The…

高能物理 - 唯象学 · 物理学 2018-11-02 R. Cepedello , M. Hirsch , J. C. Helo

We study a simplified model of lepton-flavoured complex scalar dark matter set up in the Dark Minimal Flavour Violation framework. In this model the Standard Model is extended by a scalar dark matter flavour triplet and a charged fermionic…

高能物理 - 唯象学 · 物理学 2023-05-18 Harun Acaroğlu , Prateek Agrawal , Monika Blanke

When the standard model is extended with right-handed neutrinos the symmetries of the resulting Lagrangian are enlarged with a new global U(1)R Abelian factor. In the context of minimal seesaw models we analyze the implications of a…

高能物理 - 唯象学 · 物理学 2015-06-11 D. Aristizabal Sierra

Flavor-changing signatures of Lorentz and CPT violation involving muon-electron conversions in muonic atoms are studied using effective field theory. Constraints on coefficients for Lorentz violation at parts in $10^{-12}$ GeV$^{-1}$ for…

高能物理 - 唯象学 · 物理学 2025-01-13 Alan Kostelecky , W. P. McNulty , E. Passemar , N. Sherrill

The Inverse Seesaw mechanism is dynamically realised within the Minimal Lepton Flavour Violation context. Lepton number, whose breaking is spontaneously realised, is generalised to a global Abelian factor of the whole flavour symmetry, that…

高能物理 - 唯象学 · 物理学 2022-10-19 Fernando Arias-Aragón , Enrique Fernández-Martínez , Manuel González-López , Luca Merlo

In this paper we review our main results for Lepton Flavour Violating (LFV) semileptonic tau decays and muon-electron conversion in nuclei within the context of two Constrained SUSY-Seesaw Models, the CMSSM and the NUHM. The relevant…

高能物理 - 唯象学 · 物理学 2010-11-11 E. Arganda , M. Herrero , J. Portoles , A. Rodriguez-Sanchez , A. Teixeira

Models based on the extended symmetry gauge $SU(3)_c \otimes SU(3)_L \otimes U(1)_Y$ can be build up with a leptonic sector consistent of five triplets in different $SU(3)_L$ representations where additional heavy fermions are included.…

高能物理 - 唯象学 · 物理学 2013-10-02 J. M. Cabarcas , J. Duarte , J. -Alexis Rodriguez

We study the Glashow-Iliopoulos-Maiani mechanism for flavor-changing-neutral-currents suppression in both, the gauge and Higgs sectors, for models with $SU(3)_L\otimes U(1)_N$ gauge symmetry. The models differ one from the other only with…

高能物理 - 唯象学 · 物理学 2009-10-22 J. C. Montero , F. Pisano , V. Pleitez

We analyze lepton flavour violation (LFV) and the generation of the observed baryon-antibaryon asymmetry of the Universe (BAU) within a generalized minimal lepton flavour violation framework with three quasi-degenerate heavy Majorana…

高能物理 - 唯象学 · 物理学 2008-11-26 Selma Uhlig
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