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Charged lepton flavor violating processes are forbidden in the standard model (SM), hence the observation of charged lepton flavor transitions would represent a clear signal of new physics beyond the standard Model. In this work, we…

High Energy Physics - Phenomenology · Physics 2019-01-07 Jin-Lei Yang , Tai-Fu Feng , Yu-Li Yan , Wei Li , Shu-Min Zhao , Hai-Bin Zhang

Experiments are planned to improve the sensitivity of mu-e conversion from the current ~ 10^{-12} to 10^{-16} - 10^{-18}. If the muon (bound to the nucleus) could be polarised, a spin asymmetry of the final state electron is sensitive to CP…

High Energy Physics - Phenomenology · Physics 2008-09-29 S Davidson

We study how lepton flavor violation (LFV) is related to the reactor angle $\theta_{13}$, LHC/dark matter (DM) signal with a successful leptogenesis in a radiative seesaw model through $A_4$ flavor symmetry breaking, in the light of the…

High Energy Physics - Phenomenology · Physics 2010-06-16 Y. H. Ahn

The Mu2e experiment searches for the neutrino-less muon to electron conversion in the field of a nucleus, which is a charged lepton flavor violating process. The goal of the experiment is to reach a single event sensitivity of 2.8 x…

Instrumentation and Detectors · Physics 2016-06-20 R. Donghia

The Mu2e experiment at Fermilab will search for charged lepton flavor violation via the coherent conversion process mu- N --> e- N with a sensitivity approximately four orders of magnitude better than the current world's best limits for…

Instrumentation and Detectors · Physics 2015-03-18 L. Bartoszek , E. Barnes , J. P. Miller , J. Mott , A. Palladino , J. Quirk , B. L. Roberts , J. Crnkovic , V. Polychronakos , V. Tishchenko , P. Yamin , C. -h. Cheng , B. Echenard , K. Flood , D. G. Hitlin , J. H. Kim , T. S. Miyashita , F. C. Porter , M. Röhrken , J. Trevor , R. -Y. Zhu , E. Heckmaier , T. I. Kang , G. Lim , W. Molzon , Z. You , A. M. Artikov , J. A. Budagov , Yu. I. Davydov , V. V. Glagolev , A. V. Simonenko , Z. U. Usubov , S. H. Oh , C. Wang , G. Ambrosio , N. Andreev , D. Arnold , M. Ball , R. H. Bernstein , A. Bianchi , K. Biery , R. Bossert , M. Bowden , J. Brandt , G. Brown , H. Brown , M. Buehler , M. Campbell , S. Cheban , M. Chen , J. Coghill , R. Coleman , C. Crowley , A. Deshpande , G. Deuerling , J. Dey , N. Dhanaraj , M. Dinnon , S. Dixon , B. Drendel , N. Eddy , R. Evans , D. Evbota , J. Fagan , S. Feher , B. Fellenz , H. Friedsam , G. Gallo , A. Gaponenko , M. Gardner , S. Gaugel , K. Genser , G. Ginther , H. Glass , D. Glenzinski , D. Hahn , S. Hansen , B. Hartsell , S. Hays , J. A. Hocker , E. Huedem , D. Huffman , A. Ibrahim , C. Johnstone , V. Kashikhin , V. V. Kashikhin , P. Kasper , T. Kiper , D. Knapp , K. Knoepfel , L. Kokoska , M. Kozlovsky , G. Krafczyk , M. Kramp , S. Krave , K. Krempetz , R. K. Kutschke , R. Kwarciany , T. Lackowski , M. J. Lamm , M. Larwill , F. Leavell , D. Leeb , A. Leveling , D. Lincoln , V. Logashenko , V. Lombardo , M. L. Lopes , A. Makulski , A. Martinez , D. McArthur , F. McConologue , L. Michelotti , N. Mokhov , J. Morgan , A. Mukherjee , P. Murat , V. Nagaslaev , D. V. Neuffer , T. Nicol , J. Niehoff , J. Nogiec , M. Olson , D. Orris , R. Ostojic , T. Page , C. Park , T. Peterson , R. Pilipenko , A. Pla-Dalmau , V. Poloubotko , M. Popovic , E. Prebys , P. Prieto , V. Pronskikh , D. Pushka , R. Rabehl , R. E. Ray , R. Rechenmacher , R. Rivera , W. Robotham , P. Rubinov , V. L. Rusu , V. Scarpine , W. Schappert , D. Schoo , A. Stefanik , D. Still , Z. Tang , N. Tanovic , M. Tartaglia , G. Tassotto , D. Tinsley , R. S. Tschirhart , G. Vogel , R. Wagner , R. Wands , M. Wang , S. Werkema , H. B. White , J. Whitmore , R. Wielgos , R. Woods , C. Worel , R. Zifko , P. Ciambrone , F. Colao , M. Cordelli , G. Corradi , E. Dane , S. Giovannella , F. Happacher , A. Luca , S. Miscetti , B. Ponzio , G. Pileggi , A. Saputi , I. Sarra , R. S. Soleti , V. Stomaci , M. Martini , P. Fabbricatore , S. Farinon , R. Musenich , D. Alexander , A. Daniel , A. Empl , E. V. Hungerford , K. Lau , G. D. Gollin , C. Huang , D. Roderick , B. Trundy , D. Na. Brown , D. Ding , Yu. G. Kolomensky , M. J. Lee , M. Cascella , F. Grancagnolo , F. Ignatov , A. Innocente , A. L'Erario , A. Miccoli , A. Maffezzoli , P. Mazzotta , G. Onorato , G. M. Piacentino , S. Rella , F. Rossetti , M. Spedicato , G. Tassielli , A. Taurino , G. Zavarise , R. Hooper , D. No. Brown , R. Djilkibaev , V. Matushko , C. Ankenbrandt , S. Boi , A. Dychkant , D. Hedin , Z. Hodge , V. Khalatian , R. Majewski , L. Martin , U. Okafor , N. Pohlman , R. S. Riddel , A. Shellito , A. L. de Gouvea , F. Cervelli , R. Carosi , S. Di Falco , S. Donati , T. Lomtadze , G. Pezzullo , L. Ristori , F. Spinella , M. Jones , M. D. Corcoran , J. Orduna , D. Rivera , R. Bennett , O. Caretta , T. Davenne , C. Densham , P. Loveridge , J. Odell , R. Bomgardner , E. C. Dukes , R. Ehrlich , M. Frank , S. Goadhouse , R. Group , E. Ho , H. Ma , Y. Oksuzian , J. Purvis , Y. Wu , D. W. Hertzog , P. Kammel , K. R. Lynch , J. L. Popp

We have studied lepton flavor violation processes $\mu\to e\gamma$ and $\mu-e$ conversion in nuclei induced by unparticle. Both ${\rm Br}(\mu\to e\gamma)$ and $\mu-e$ conversion rate ${\rm CR}(\mu-e,{\rm Nuclei})$ strongly depend on the…

High Energy Physics - Phenomenology · Physics 2008-11-28 Gui-Jun Ding , Mu-Lin Yan

Results are presented from a search for charged-lepton flavor violating (CLFV) interactions in top quark production and decay in pp collisions at a center-of-mass energy of 13 TeV. The events are required to contain one oppositely charged…

High Energy Physics - Experiment · Physics 2022-06-22 CMS Collaboration

An overview of the theoretical framework of the Standard Model Extension (SME) that allows for a parametrization of Lorentz and CPT violating effects using effective field theory will be presented. A review of current bounds on these…

High Energy Physics - Phenomenology · Physics 2015-06-11 Don Colladay

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

Lepton flavor violation (LFV) within the realm of the Standard Model is forbidden. However recent neutrino experiments strongly suggest neutrino oscillations, giving way to LFV. Beyond SM theories, such as supersymmetry and supergravity…

High Energy Physics - Experiment · Physics 2007-05-23 N. G. Unel

Lepton flavour violation (LFV), and lepton flavour university violation (LFUV), are striking signatures of beyond the Standard Model (BSM) physics. Recent searches for these at the ATLAS and CMS experiments are presented, using…

High Energy Physics - Experiment · Physics 2024-05-21 Holly Pacey

Interest in searches for Charged Lepton Flavor Violation (CLFV) has continued in the past few decades since the observation of CLFV will indicate new physics beyond the Standard Model (BSM). As several future lepton colliders with high…

High Energy Physics - Phenomenology · Physics 2024-06-04 Xunye Cai , Jingshu Li , Ran Ding , Meng Lu , Zhengyun You , Qiang Li

We investigate lepton flavor violation (LFV) in the the singlet-triplet scotogenic model in which neutrinos acquire non-zero masses at the 1-loop level. In contrast to the most popular variant of this setup, the singlet scotogenic model,…

High Energy Physics - Phenomenology · Physics 2016-08-24 Paulina Rocha-Moran , Avelino Vicente

We extend the notion of Minimal Flavor Violation to the lepton sector. We introduce a symmetry principle which allows us to express lepton flavor violation in the charged lepton sector in terms of neutrino masses and mixing angles. We…

High Energy Physics - Phenomenology · Physics 2011-05-05 Vincenzo Cirigliano , Benjamin Grinstein , Gino Isidori , Mark B. Wise

A recently developed Standard-Model Extension (SME) formalism for neutrino oscillations that includes Lorentz and CPT violation is used to analyze the sidereal time variation of the neutrino event excess measured by the Liquid Scintillator…

The MEG II experiment searches for the Charged Lepton Flavour Violating (CLFV) decay $\mu\rightarrow e \gamma$. This decay is foreseen by the Standard Model (SM) of Particle Physics at non observable rates through neutrino oscillation.…

High Energy Physics - Experiment · Physics 2019-12-19 Manuel Meucci

Mu2e at Fermilab will search for charged lepton flavor violation via the coherent conversion process mu- N --> e- N with a sensitivity approximately four orders of magnitude better than the current world's best limits for this process. The…

Instrumentation and Detectors · Physics 2012-12-06 The Mu2e Project , Collaboration , : , R. J. Abrams , D. Alezander , G. Ambrosio , N. Andreev , C. M. Ankenbrandt , D. M. Asner , D. Arnold , A. Artikov , E. Barnes , L. Bartoszek , R. H. Bernstein , K. Biery , V. Biliyar , R. Bonicalzi , R. Bossert , M. Bowden , J. Brandt , D. N. Brown , J. Budagov , M. Buehler , A. Burov , R. Carcagno , R. M. Carey , R. Carosi , M. Cascella , D. Cauz , F. Cervelli , A. Chandra , J. K. Chang , C. Cheng , P. Ciambrone , R. N. Coleman , M. Cooper , M. C. Corcoran , M. Cordelli , Y. Davydov , A. L. de Gouvea , L. De Lorenzis , P. T. Debevec , F. DeJongh , C. Densham , G. Deuerling , J. Dey , S. Di Falco , S. Dixon , R. Djilkibaev , B. Drendel , E. C. Dukes , A. Dychkant , B. Echenard , R. Ehrlich , N. Evans , D. Evbota , I. Fang , J. E. Fast , S. Feher , M. Fischler , M. Frank , E. Frlez , S. S. Fung , G. Gallo , G. Galucci , A. Gaponenko , K. Genser , S. Giovannella , V. Glagolev , D. Glenzinski , D. Gnani , S. Goadhouse , G. D. Gollin , C. Grace , F. Grancagnolo , C. Group , J. Hanson , S. Hanson , F. Happacher , E. Heckmaier , D. Hedin , D. W. Hertzog , R. Hirosky , D. G. Hitlin , E. Ho , X. Huang , E. Huedem , P. Q. Hung , E. V. Hungerford , T. Ito , W. Jaskierny , R. Jedziniak , R. P. Johnson , C. Johnstone , J. A. Johnstone , S. A. Kahn , P. Kammel , T. I. Kang , V. S. Kashikhin , V. V. Kashikhin , P. Kasper , D. M. Kawall , V. Khalatian , M. Kim , A. Klebaner , D. Kocen , Y. Kolomensky , I. Kourbanis , J. Kowalkowski , J. Kozminski , K. Krempetz , K. S. Kumar , R. K. Kutschke , R. Kwarciany , T. Lackowski , M. Lamm , M. Larwill , K. Lau , M. J. Lee , A. L'Erario , T. Leveling , G. Lim , C. Lindenmeyer , V. Logashenko , T. Lontadze , M. Lopes , A. Luca , K. R. Lynch , T. Ma , A. Maffezzoli , W. J. Marciano , M. Martini , W. Masayoshi , V. Matushko , M. McAteer , R. McCrady , A. Moccoli , L. Michelotti , J. P. Miller , S. Miscetti , W. Molzon , J. Morgan , A. Mukherjee , S. Nagaitsev , V. Nagaslaev , J. Niehoff , D. V. Neuffer , T. Nicol , A. J. Norman , B. Norris , J. Odell , S. Oh , Y. Oksuzian , G. Onorato , J. Orduna , D. Orris , R. Ostojic , T. Page , K. D. Paschke , G. Pauletta , T. Peterson , G. M. Piacentino , G. Pileggi , A. Pla-Dalmau , D. Pocanic , C. C. Polly , V. Polychronakos , B. Ponzio , M. Popovic , J. L. Popp , F. Porter , E. Presbys , P. Prieto , V. Pronskikh , F. Puccinelli , R. Rabehl , J. Ramsey , R. E. Ray , R. Rechenmacher , S. Rella , L. Ristori , R. Rivera , B. L. Roberts , T. J. Roberts , P. Rubinov , V. L. Rusu , A. Saputi , I. Sarra , Y. Smertzidis , P. Shanahan , A. Simonenko , J. Steward , I. Suslov , C. Sylvester , Z. Tang , M. Tartaglia , G. Tassielli , V. Tereshchenko , J. Theilacker , J. Tompkins , R. Tschirhart , G. Van Zandbergen , C. Vannini , G. Venanzoni , H. von der Lippe , R. Wagner , J. P. Walder , R. Walton , S. Wands , S. Wang , G. Warren , S. Werkema , H. B. White , R. Wielgos , L. S. Wood , M. Woodward , J. Wu , M. Xiao , R. Yamada , P. Yamin , K. Yarritu , K. Yonehara , C. Yoshikawa , Z. You , G. Yu , A. Yurkewicz , G. Zavarise , R. Y. Zhu

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

In the Standard Model (SM), the charged lepton-flavor violation (CLFV) processes are forbidden, so the observation of CLFV represents a clear signal of new physics that goes beyond the Standard Model. In this work, we focus on the CLFV…

High Energy Physics - Phenomenology · Physics 2024-09-26 Yong-Kang Huang , Jin-Lei Yang , Sheng-Kai Cui , Tai-Fu Feng

Charged lepton flavor violation (CLFV) represents a clear new physics (NP) signal beyond the standard model (SM). In this work, we investigate the CLFV decays of vector mesons $V\rightarrow l_i^{\pm}l_j^{\mp}$ with $V\in\{\phi, J/\Psi,…

High Energy Physics - Phenomenology · Physics 2024-02-20 Xing-Xing Dong , Shu-Min Zhao , Jia-Peng Huo , Tong-Tong Wang , Yi-Tong Wang , Tai-Fu Feng