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Related papers: Mixing and CP-Violation in the Littlest Higgs Mode…

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We present the results of an extensive analysis of flavour physics in both quark and lepton sectors, in the Littlest Higgs model with T-parity (LHT). In the quark sector, we identify some interesting scenarios for new mirror quark masses…

High Energy Physics - Phenomenology · Physics 2011-03-23 Cecilia Tarantino

The non-minimal flavour violating interactions of mirror quarks and new heavy gauge bosons in the Littlest Higgs model with T-parity (LHT) give rise to naturally large CP-violating effects in the B_s system. In view of a large new CP phase…

High Energy Physics - Phenomenology · Physics 2010-01-15 Monika Blanke , Andrzej J. Buras , Stefan Recksiegel , Cecilia Tarantino

Flavor changing neutral current and CP violating processes are discussed in the minimal supergravity model. The constraint on charged Higgs mass from the new measurement of the inclusive branching ratio of the $b\rightarrow s\gamma$ process…

High Energy Physics - Phenomenology · Physics 2016-09-01 Yasuhiro Okada

The Littlest Higgs model with T-parity (LHT) contains new sources of flavour and CP violation both in the quark and the lepton sector. They originate from the interactions of ordinary fermions with mirror fermions mediated by new gauge…

High Energy Physics - Phenomenology · Physics 2007-05-23 Andrzej J. Buras , Cecilia Tarantino

The Little Higgs model with T-parity (LHT) belongs to the non-minimal flavour violating model. This model has new sources of flavour and CP violation both in quark and leptonic sectors. These new sources of flavour violation originates by…

High Energy Physics - Phenomenology · Physics 2009-07-30 Naveen Gaur

The Littlest Higgs Model with T-parity (LHT) belongs to the simplest new physics scenarios with new sources of flavour and CP violation. We present a new analysis of quark observables in the LHT model in view of the oncoming flavour…

High Energy Physics - Phenomenology · Physics 2016-04-07 Monika Blanke , Andrzej J. Buras , Stefan Recksiegel

The Littlest Higgs Model with T parity (LHT) is an interesting alternative model for New Physics at the TeV scale. Although Flavour Physics was not the reason for creating the LHT model, significant effects (such as large CP violation where…

High Energy Physics - Phenomenology · Physics 2015-05-14 Stefan Recksiegel

The future of flavour physics and CP violation in the quark, lepton and Higgs sectors are discussed, particularly from the viewpoint of physics beyond the Standard Model, such as supersymmetry. Current issues in B to pi^+ pi^-, phi K_s and…

High Energy Physics - Phenomenology · Physics 2009-09-11 John Ellis

I study many higgs doublet supersymmetric model with spontaneous CP violation. The damaging flavor changing interactions and large CP violation are brought under control simultaneously by an approximate PQ symmetry. I relate the smallness…

High Energy Physics - Phenomenology · Physics 2007-05-23 Andrija Rasin

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

I present a brief summary of the main results on flavour physics beyond the Standard Model that have been obtained in 2008 by my collaborators and myself at the TUM. In particular I list main messages coming from our analyses of flavour and…

High Energy Physics - Phenomenology · Physics 2010-11-11 Andrzej J. Buras

We summarize briefly the CKM picture of flavour and CP violation that governs the models with minimal flavour violation (MFV). We then describe how this framework can be efficiently tested through particle-antiparticle mixing and rare $K$…

High Energy Physics - Phenomenology · Physics 2009-08-03 Andrzej J. Buras

Flavor violating interactions of the Higgs boson are a generic feature of models with extended electroweak symmetry breaking sectors. Here, we investigate CP violation in these interactions, which can arise from interference of tree-level…

High Energy Physics - Phenomenology · Physics 2015-06-22 Joachim Kopp , Marco Nardecchia

We calculate a number of observables related to particle-antiparticle mixing in the Littlest Higgs model with T-parity (LHT). The resulting effective Hamiltonian for Delta F=2 transitions agrees with the one of Hubisz et al., but our…

High Energy Physics - Phenomenology · Physics 2011-05-05 M. Blanke , A. J. Buras , A. Poschenrieder , C. Tarantino , S. Uhlig , A. Weiler

Strictly within the standard electro-weak interaction, CP violation in the flavour conserving process $\eta \ra \pi + \pi $ could originate from the mixing of the $\eta$ meson with the virtual scalar Higgs $ H^{0}$ via $ W^{+}+W^{-}$ and…

High Energy Physics - Phenomenology · Physics 2007-05-23 X. Y. Pham

Partial compositeness is a key ingredient of models where the electroweak symmetry is broken by a composite Higgs state. Recently, a UV completion of partial compositeness was proposed, featuring a new strongly coupled gauge interaction as…

High Energy Physics - Phenomenology · Physics 2018-07-04 Francesco Sannino , Peter Stangl , David M. Straub , Anders Eller Thomsen

The flavor protection in composite Higgs models with partial compositeness is known to be insufficient. We explore the possibility to alleviate the tension with CP odd observables by assuming that flavor or CP are symmetries of the…

High Energy Physics - Phenomenology · Physics 2015-05-28 Michele Redi , Andreas Weiler

We study an extension of the Higgs sector of the Minimal Supersymmetric Standard Model (MSSM), considering the effects of new degrees of freedom at the TeV scale, and allowing for sources of CP violation beyond the MSSM (BMSSM). We analyze…

High Energy Physics - Phenomenology · Physics 2011-11-22 Wolfgang Altmannshofer , Marcela Carena , Stefania Gori , Alejandro de la Puente

The Littlest Higgs Model with T-Parity (LHT) contains new sources of flavor and CP violation both in the quark and lepton sector. These have their origin in interactions of ordinary fermions with mirror fermions mediated by new heavy gauge…

High Energy Physics - Phenomenology · Physics 2007-10-11 Bjoern Duling

During the last fifteen years B_{s,d} decays, B_{s,d}^0-\bar B^0_{s,d} mixings, CP-violating asymmetries S_{\psi K_S} and S_{\psi\phi} provided the dominant information about the pattern of flavour violation within the SM and its…

High Energy Physics - Phenomenology · Physics 2015-10-02 Andrzej J. Buras
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