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Related papers: Lepton-Flavor Violation and Physics beyond the Sta…

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In the last decade, huge progress in experimentally measuring and theoretically understanding flavor physics has been achieved. In particular, the accuracy in the determination of the CKM elements has been greatly improved, and a large…

High Energy Physics - Phenomenology · Physics 2015-05-18 Gino Isidori , Yosef Nir , Gilad Perez

In this talk I review the status of B mixing in the Standard Model and the room for new physics in B_s and B_d mixing in the light of recent LHCb data.

High Energy Physics - Phenomenology · Physics 2013-04-16 Ulrich Nierste

Lepton flavor violation (LFV) offers a powerful probe of physics beyond the Standard Model, particularly in models addressing neutrino masses and the baryon asymmetry of the universe. In this study, we investigate LFV processes within the…

High Energy Physics - Phenomenology · Physics 2025-01-22 Chengcheng Han , Yijun Han , Sihui Huang , Zhanhong Lei

The study of muon properties and decays played a crucial role in the early years of particle physics and contributed over decades to build and consolidate the Standard Model. At present, searches for muon decays beyond the Standard Model…

High Energy Physics - Experiment · Physics 2020-04-15 Francesco Renga

The open problems and the most recent developments in flavour physics are briefly reviewed. Particular attention is devoted to the current "anomalies" in the CKM picture and their possible interpretation in beyond-the-Standard-Model…

High Energy Physics - Phenomenology · Physics 2010-12-14 Gino Isidori

Charged-lepton flavor violation (CLFV) is a smoking-gun signature of physics beyond the Standard Model. The discovery of CLFV in upcoming experiments would indicate that CLFV processes must have been efficient in the early Universe at…

High Energy Physics - Phenomenology · Physics 2022-07-13 Kyohei Mukaida , Kai Schmitz , Masaki Yamada

Motivated by the recent LHCb results of lepton flavour violation on b decays into s and b decays into c transitions we study the lepton flavour violating (LFV) baryonic decays {Lambda}_b decays into {Lambda}l_i^+ l_j^- in non-universal Z^'…

High Energy Physics - Phenomenology · Physics 2023-10-18 S. Biswas , P. Nayek , P. Maji , S. Sahoo

Together with any Beyond the Standard Model ultraviolet complete, renormalizable model, one or several exotic particles are usually hypothesized. $C\!P$-even neutral and doubly-charged scalars are common, well known examples which can…

High Energy Physics - Phenomenology · Physics 2022-10-05 Mario W. Barela , J. Montaño-Domínguez

We present the results of an extensive analysis of lepton flavour violating decays in the Littlest Higgs model with T-parity (LHT). As lepton flavour violation is highly suppressed in the Standard Model by small neutrino masses, the LHT…

High Energy Physics - Phenomenology · Physics 2008-11-26 Cecilia Tarantino

We interpret the recent hints for lepton flavor universality violation in rare $B$ meson decays. Based on a model-independent effective Hamiltonian approach, we determine regions of new physics parameter space that give a good description…

High Energy Physics - Phenomenology · Physics 2018-05-04 Wolfgang Altmannshofer , Peter Stangl , David M. Straub

Recent experimental results suggest that the neutrinos of the Standard Model are massive, though light. Therefore they may mix with each other giving rise to lepton flavour or even lepton number violating processes, depending on whether…

High Energy Physics - Phenomenology · Physics 2009-10-31 Jose I. Illana , Tord Riemann

A brief summary is given of recent developments concerning a Lorentz-violating extension of the standard model and its implications for experiments testing Lorentz and CPT symmetry.

High Energy Physics - Phenomenology · Physics 2007-05-23 Alan Kostelecky

The LHCb Collaboration's measurement of R_K = B(B+ -> K+ mu+ mu-)/B(B+ -> K+ e+e-) lies 2.6 sigma below the Standard Model prediction. Several groups suggest this deficit to result from new lepton non-universal interactions of muons. But…

High Energy Physics - Phenomenology · Physics 2015-03-11 Sheldon L. Glashow , Diego Guadagnoli , Kenneth Lane

Flavour physics is a priceless window on physics beyond the Standard Model. In particular, flavour violation in the lepton sector looks very promising, as high precision measurements are prospected in future experiments investigating on…

High Energy Physics - Phenomenology · Physics 2013-11-19 R. Alonso , M. B. Gavela , D. Hernandez , L. Merlo , S. Rigolin

After an overture and a non-technical exposition of the relevant theoretical framework including a brief discussion of some of the most popular extensions of the Standard Model, we will compile a list of 20 goals in flavour physics that…

High Energy Physics - Phenomenology · Physics 2014-11-20 Andrzej J. Buras

Charged lepton flavor violation (cLFV) processes, potentially important for various Beyond the Standard Model Physics scenarios are analyzed in the Standard Model Effective Field Theory (SMEFT) framework. We consider the most relevant 2…

High Energy Physics - Phenomenology · Physics 2024-07-18 Md Isha Ali , Utpal Chattopadhyay , N Rajeev , Joydeep Roy

Recent Kaon decay studies seeking lepton-flavor violating (LFV) new-physics effects are briefly discussed. The main focus is set on precise measurements of rare or not-so-rare decays aiming at finding evidence of deviations from the SM…

High Energy Physics - Experiment · Physics 2009-06-02 T. Spadaro

Low energy neutrinoless lepton flavor violating (LFV) processes are studied in an extension of the Standard Model (SM) by heavy SU(2)xU(1) singlet Dirac neutrinos. An upper bound procedure is elaborated for the evaluation of amplitudes. A…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Ilakovac

Charged lepton flavor violation (CLFV) is a clear signal of new physics; it directly addresses the physics of flavor and of generations. The search for CLFV has continued from the early 1940's, when the muon was identified as a separate…

High Energy Physics - Experiment · Physics 2014-01-14 Robert H. Bernstein , Peter S. Cooper

Lepton flavor violation (LFV) represents a clear new physics (NP) signal beyond the standard model (SM). In this paper, we study LFV decays $Z\rightarrow l^{\pm}_{i}l^{\mp}_{j}$ in the B-L Supersymmetric Standard Model(B-LSSM). We calculate…

High Energy Physics - Phenomenology · Physics 2024-06-06 Jia-Peng Huo , Xing-Xing Dong , Jiao Ma , Shu-Min Zhao , Cai Guo , Hai-Bin Zhang , Jin-Lei Yang , Tai-Fu Feng