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Related papers: Flavor Violating Higgs Decays

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We study a lepton flavor violating $\mu N \to \tau X$ reaction in deep inelastic scattering region in supersymmetric models. The contribution from the Higgs boson mediation could be important for this reaction. For that case, the cross…

High Energy Physics - Phenomenology · Physics 2009-11-10 Shinya Kanemura , Yoshitaka Kuno , Masahiro Kuze , Toshihiko Ota

The LHC phenomenology of a low-scale gauged flavor symmetry model with inverted hierarchy is studied, through introduction of a simplified model of broken flavor symmetry. A new scalar (a flavon) and a new neutral top-philic massive gauge…

High Energy Physics - Phenomenology · Physics 2014-10-15 Edmond L. Berger , Steven B. Giddings , Haichen Wang , Hao Zhang

We predict the branching ratios of the lepton flavor violating Higgs decays H^0\rightarrow e^{\pm} \mu^{\pm}, H^0\rightarrow e^{\pm} \tau^{\pm} and H^0\rightarrow \mu^{\pm} \tau^{\pm} with the assumption that lepton flavor violation is due…

High Energy Physics - Phenomenology · Physics 2010-11-02 E. O. Iltan

We study the prospects to detect at hadron colliders the Lepton Flavour Violating Higgs decay H --> tau mu, which can reach substantial branching fractions in several extensions of the SM. Among them, the generic two higgs doublet model can…

High Energy Physics - Phenomenology · Physics 2007-05-23 U. Cotti , L. Diaz-Cruz , C. Pagliarone , E. Vataga

We study the flavor changing neutral current decays of the MSSM Higgs bosons into strange and bottom quarks. We focus on a scenario of minimum flavor violation here, namely only that induced by the CKM matrix. Taking into account constraint…

High Energy Physics - Phenomenology · Physics 2008-11-26 Abdesslam Arhrib , Dilip K. Ghosh , Otto C. W. Kong , Rishikesh D. Vaidya

We present a comprehensive phenomenological study of a class of six vector-like lepton models with seesaw-like mass contributions and strong modifications to Higgs and lepton phenomenology. We focus on lepton flavour conserving and…

High Energy Physics - Phenomenology · Physics 2026-03-24 Gregor Daberstiel , Kilian Möhling , Dominik Stöckinger , Hyejung Stöckinger-Kim

Lepton flavor violating processes such as \mu \to 3e and \mu \to e \gamma are investigated with supersymmetric Higgs triplet pair \Delta and \bar \Delta in the light of neutrino masses and experimentally verifiable leptogenesis. The Higgs…

High Energy Physics - Phenomenology · Physics 2009-11-10 Masato Senami , Katsuji Yamamoto

We study the CP-even neutral Higgs boson decays $h \to c \bar{c}, b \bar{b}, b \bar{s}, \gamma \gamma, g g$ in the Minimal Supersymmetric Standard Model (MSSM) with general quark flavor violation (QFV), identifying the h as the Higgs boson…

High Energy Physics - Phenomenology · Physics 2024-07-01 K. Hidaka , H. Eberl , E. Ginina

The size of the branching ratios for the $\tau \to \mu \gamma$ and $\tau \to \mu \gamma \gamma$ decays induced by a lepton flavor violating Higgs interaction $H\tau \mu$ is studied in the frame of effective field theories. The best…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. I. Aranda , F. Ramírez--Zavaleta , J. J. Toscano , E. S. Tututi

Flavour-violating couplings of Higgs boson with stop and scharm quarks could be very important as in addition to lifting the mass of the Higgs boson by a few GeV, it could also play a vital phenomenological role in reducing the…

High Energy Physics - Phenomenology · Physics 2022-09-12 Surabhi Gupta , Sudhir Kumar Gupta , Keven Ren

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

There are indications of a possible breakdown of the standard model, suggesting that $\tau$ lepton interactions violate flavor universality. BABAR, Belle and LHCb report high ratios of $B\to D^{(*)}\tau\nu$. There are long-standing excesses…

High Energy Physics - Phenomenology · Physics 2016-04-13 James M. Cline

We discuss possibility of direct search for lepton flavor violation (LFV) in Yukawa interaction by measuring the branching ratio for the decay of the lightest Higgs boson ($h^0$) into a $\tau$-$\mu$ pair at a linear collider. We study the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Shinya Kanemura , Kouichi Matsuda , Toshihiko Ota , Tetsuo Shindou , Eiichi Takasugi , Koji Tsumura

The observation of charged lepton flavour violation would be a smoking gun for new physics and could help in pinpointing the mechanism at the origin of neutrino masses and mixing. We present here our recent studies of lepton flavour…

High Energy Physics - Phenomenology · Physics 2016-05-19 E. Arganda , M. J. Herrero , X. Marcano , C. Weiland

We discuss different $\rm SU(5)$ low-energy realizations and illustrate their use with the diphoton excess and Higgs flavor violation, which require new physics at the TeV scale. In particular, we study two scenarios for a $750$ GeV…

High Energy Physics - Phenomenology · Physics 2016-09-21 Andrea Di Iura , Juan Herrero-Garcia , Davide Meloni

At moderate to large tan(beta), it is no longer possible to simultaneously diagonalize the masses of quarks and their couplings to the neutral Higgs bosons. The resulting flavor violations of the form (\bar b_R d_L H) and (\bar b_R s_L H)…

High Energy Physics - Phenomenology · Physics 2016-11-03 Christopher Kolda

Charged lepton flavor violation is an unambiguous signature for New Physics. Here we present a summary of the theoretical and experimental status of the search for charged lepton flavor violation in heavy particle decays, in particular in…

High Energy Physics - Phenomenology · Physics 2022-05-24 Wolfgang Altmannshofer , Cecile Caillol , Mogens Dam , Stefania Xella , Yongchao Zhang

We study the sensitivity of the LHC, with 20 inverse-fb of data, to lepton flavour violating Higgs boson decays h -> tau+ mu- (and h -> tau+ e-). We consider the large population of Higgses produced in gluon fusion, combined with leptonic…

High Energy Physics - Phenomenology · Physics 2013-05-30 Sacha Davidson , Patrice Verdier

The Higgs boson discovered at the LHC opened a new chapter for particle physics. Its properties need to be studied in detail to distinguish a purely standard model (SM) Higgs boson from one of many scalars in an enlarged Higgs sector. The…

High Energy Physics - Phenomenology · Physics 2016-10-12 Alper Hayreter , Xiao-Gang He , German Valencia

We investigate the prospects of discovering the top quark decay into a charm quark and a Higgs boson ($t \to c h^0$) in top quark pair production at the CERN Large Hadron Collider (LHC). A general two Higgs doublet model is adopted to study…

High Energy Physics - Phenomenology · Physics 2021-06-23 Phillip Gutierrez , Rishabh Jain , Chung Kao
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