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Neutrino flavour oscillations imply that there must be charged lepton flavour violation (CLFV) also. Different neutrino mass models predict different patterns of CLFV decays. Neutrino mass generation through standard see-saw mechanisms…

High Energy Physics - Phenomenology · Physics 2025-08-01 Pravesh Chndra Awasthi , Jai More , Akhila Kumar Pradhan , Kumar Rao , Purushottam Sahu , S. Uma Sankar

The minimal type-I seesaw model provides a simple explanation of neutrino flavor oscillations and induces charged lepton flavor violation (cLFV). Despite extensive previous studies, semileptonic cLFV channels remain underexplored. Using…

High Energy Physics - Phenomenology · Physics 2026-04-30 Kevin A. Urquía-Calderón , Oleg Ruchayskiy

Neutrino oscillations give clear evidence for non-vanishing neutrino masses and lepton-flavor violation (LFV) in the neutrino sector. This provides strong motivation to search for signals of LFV also in the charged lepton sector, and to…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. Deppisch , H. Päs , A. Redelbach , R. Rückl , Y. Shimizu

The neutrino oscillations imply that charged lepton flavor violation (CLFV) processes do exist. Even if the associated rates are in general expected very suppressed, it turns out that this is not always necessarily the case. In the…

High Energy Physics - Phenomenology · Physics 2013-12-19 Thomas Hambye

The most general supersymmetric seesaw mechanism has too many parameters to be predictive and thus can not be excluded by any measurements of lepton flavour violating (LFV) processes. We focus on the simplest version of the type-I seesaw…

High Energy Physics - Phenomenology · Physics 2008-10-21 A. Villanova del Moral

The most general supersymmetric seesaw mechanism has too many parameters to be predictive and thus can not be excluded by any measurements of lepton flavour violating (LFV) processes. We focus on the simplest version of the type-I seesaw…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Hirsch , W. Porod , J. C. Romao , J. W. F. Valle , A. Villanova del Moral

We review Lepton Flavour Violation (LFV) in the supersymmetric version of the seesaw mechanism (type I, II, III) and in Left-Right models. The LFV needed to explain neutrino masses and mixings is the only source of LFV and has experimental…

High Energy Physics - Phenomenology · Physics 2011-05-30 Jorge C. Romao

Searches at the LHC of lepton flavour violation (LFV) in slepton decays can indirectly test both type-I and II seesaw mechanisms. Assuming universal flavour-blind boundary conditions, LFV in the neutrino sector is related to LFV in the…

High Energy Physics - Phenomenology · Physics 2015-05-14 Albert Villanova del Moral

We explore realizations of minimal flavor violation (MFV) for leptons in the simplest seesaw models where the neutrino mass generation mechanism is driven by new fermion singlets (type I) or triplets (type III) and by a scalar triplet (type…

High Energy Physics - Phenomenology · Physics 2015-07-10 Xiao-Gang He , Chao-Jung Lee , Jusak Tandean , Ya-Juan Zheng

One of the possible ways to explain the observed flavour structure of fundamental particles is to include flavor symmetries in the theories. In this work, we investigate the rare charged lepton flavour violating (cLFV) decay process ($\mu…

High Energy Physics - Phenomenology · Physics 2023-01-30 Maibam Ricky Devi , Kalpana Bora

Charged Lepton Flavour Violating (cLFV) decays constrain the relationship between the neutrino and the scalar sectors of the Grimus-Neufeld model (GNM), an appealing minimal model of neutrino masses. It turns out, that in the scenario,…

High Energy Physics - Phenomenology · Physics 2022-11-29 Vytautas Dūdėnas , Thomas Gajdosik , Uladzimir Khasianevich , Wojciech Kotlarski , Dominik Stöckinger

In spite of the large lepton flavour violation (LFV) observed in neutrino oscillations, within the Standard Model, we do \textit{not} expect any visible LFV in the charged lepton sector ($\mu \to e, \gamma$, $\tau \to \mu, \gamma$, etc.).…

High Energy Physics - Phenomenology · Physics 2008-11-26 Antonio Masiero , Sudhir K. Vempati , Oscar Vives

We study the new physics contributions to neutrinoless double beta decay ($0\nu\beta \beta$) half-life and lepton flavour violation (LFV) amplitude within the framework of the minimal left-right symmetric model (MLRSM). Considering all…

High Energy Physics - Phenomenology · Physics 2016-08-03 Debasish Borah , Arnab Dasgupta

The charged lepton flavour violating (LFV) radiative decays, $\mu\to e+\gamma$, $\tau\to \mu+\gamma$ and $\tau\to e +\gamma$ are investigated in a class of supersymmetric $A_4$ models with three heavy right-handed (RH) Majorana neutrinos,…

High Energy Physics - Phenomenology · Physics 2014-11-20 C. Hagedorn , E. Molinaro , S. T. Petcov

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…

High Energy Physics - Phenomenology · Physics 2010-11-11 E. Arganda , M. Herrero , J. Portoles , A. Rodriguez-Sanchez , A. Teixeira

We reconsider the role that the possible detection of lepton flavour violating (LFV) decays of supersymmetric particles at the Large Hadron Collider (LHC) can play in helping reconstruct the underlying neutrino mass generation mechanism…

High Energy Physics - Phenomenology · Physics 2009-05-06 J. N. Esteves , M. Hirsch , W. Porod , J. C. Romao , J. W. F. Valle , A. Villanova del Moral

We consider charged Lepton Flavour Violation (LFV) in the Constrained Minimal Supersymmetric Standard Model, extended to include the see-saw mechanism with Constrained Sequential Dominance (CSD), where CSD provides a natural see-saw…

High Energy Physics - Phenomenology · Physics 2008-11-26 Stefan Antusch , Steve F. King

Within the MSSM, we have evaluated the decay rates for the lepton flavour violating Higgs boson decays (LFVHD) $h \rightarrow l_i l_j$ where $l_{i,j}$ are charged leptons and $i\neq j$. This has been done in a model independent (MI) way as…

High Energy Physics - Phenomenology · Physics 2024-07-02 M. E. Gomez , S. Heinemeyer , M. Rehman

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 analyze the charged lepton flavor violating (CLFV) decays of vector mesons $V\rightarrow l_i^{\pm}l_j^{\mp}$ with $V\in\{\phi, J/\Psi, \Upsilon, \rho^0, \omega \}$ in BLMSSM model. This new model is introduced as an supersymmetric…

High Energy Physics - Phenomenology · Physics 2018-04-04 Xing-Xing Dong , Shu-Min Zhao , Jing-Jing Feng , Guo-Zhu Ning , Jian-Bin Chen , Hai-Bin Zhang , Tai-Fu Feng
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