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A model based on SUSY SO(10) combined with U(2) family symmetry constructed recently by the authors is generalized to include phases in the mass matrices leading to CP violation. In contrast with the commonly used effective operator…

High Energy Physics - Phenomenology · Physics 2014-11-17 Mu-Chun Chen , K. T. Mahanthappa

We study leptonic flavor and CP violating observables in supersymmetric (SUSY) models with heavy sfermions, which is motivated by the recent results of the LHC experiments (i.e., the discovery of the Higgs-like boson with the mass of about…

High Energy Physics - Phenomenology · Physics 2015-06-15 Takeo Moroi , Minoru Nagai

After listing basic properties of the Standard Model (SM) that play the crucial role in the field of flavour and CP violation, we discuss the following topics: 1) CKM matrix and the unitarity triangle. 2) Theoretical framework in a…

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

CP-violating phases which contribute to the electric dipole moment(EDM) of the neutron are considered in the context of orbifold compactificationof the heterotic string. In particular, we study the situation where CP is spontaneously broken…

High Energy Physics - Theory · Physics 2009-10-28 B. Acharya , D , Bailin , A. Love , W. A. Sabra , S. Thomas

The question of CP violating phases in supersymmetry and electric dipole moments (EDMs) is considered within the framework of supergravity grand unification (GUT) models with a light ($\stackrel{<}{\sim}$1 TeV) mass spectrum. In the minimal…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Accomando , R. Arnowitt , B. Dutta

Measurements of CP--violating observables in neutrino oscillation experiments have been studied in the literature as a way to determine the CP--violating phase in the mixing matrix for leptons. Here we show that such observables also probe…

High Energy Physics - Phenomenology · Physics 2010-05-28 M. C. Gonzalez-Garcia , Y. Grossman , A. Gusso , Y. Nir

Treating the MSSM as an effective theory below a threshold scale Lambda, we study the consequences of having dimension-five operators in the superpotential for flavour and CP-violating processes. Below the supersymmetric threshold such…

High Energy Physics - Phenomenology · Physics 2008-11-26 Maxim Pospelov , Adam Ritz , Yudi Santoso

In this talk, I briefly review a selection of SUSY effects in B physics. First, I consider models with Minimal Flavour Violation. Then I discuss SUSY models with new sources of flavour violation in squark mass matrices, analyzing present…

High Energy Physics - Phenomenology · Physics 2009-11-07 L. Silvestrini

The role of moduli stabilization in predictions for CP violation is examined in the context of four-dimensional effective supergravity models obtained from the weakly coupled heterotic string. We point out that while stabilization of…

High Energy Physics - Phenomenology · Physics 2014-11-17 Joel Giedt

In extra dimensions the infrared attractive force of gauge interactions is amplified. We find that this force can align in the infrared limit the soft-supersymmetry breaking terms out of their anarchical disorder at a fundamental scale, in…

High Energy Physics - Phenomenology · Physics 2009-11-07 Jisuke Kubo , Haruhiko Terao

These proceedings introduce the main techniques and ideas for a systematic effective field theory analysis of CP violation in the charged lepton sector. This study is required because the Standard Model of particle physics predicts a very…

High Energy Physics - Phenomenology · Physics 2022-09-21 Giovanni Marco Pruna

In certain class of flux compactification, moduli mediated supersymmetry (SUSY) breaking preserves flavor and CP at leading order in the perturbative expansion controlled by the vacuum expectation value of the messenger modulus.…

High Energy Physics - Phenomenology · Physics 2009-02-09 Kiwoon Choi , Kwang Sik Jeong , Ken-Ichi Okumura

If the mechanism of Supersymmetry breaking is not flavour blind, some flavour symmetry is likely to be needed to prevent excessive flavour changing neutral current effects. We discuss two flavour models (based respectively on a U(2) and on…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. Masiero , M. Piai , A. Romanino , L. Silvestrini

Lepton flavor violation can be induced in supersymmetry by the mixing of two or more of the leptonic scalar partners, Krashnikov and Arkani-Hamed et al. pointed out that this effect may be observable at the Next Linear Collider, through…

High Energy Physics - Phenomenology · Physics 2009-09-01 David Bowser-Chao , Wai-Yee Keung

Supersymmetric theories generally have new flavor and CP violation sources in the squark and slepton mass matrices. They will contribute to the lepton flavor violation processes, such as $\mu \to e \gamma$, which can be probed far below the…

High Energy Physics - Phenomenology · Physics 2009-10-30 Hsin-Chia Cheng

We show that in see-saw models of neutrino mass a la SUSY SO(10), the observed large mixing in atmospheric neutrinos naturally leads to large b-s transitions. If the associated new CP phase turns out to be large, this SUSY contributions can…

High Energy Physics - Phenomenology · Physics 2009-09-29 Darwin Chang , Antonio Masiero , Hitoshi Murayama

We study FCNC and CP violating processes in the MSSM without a new flavour structure (flavour blind MSSM). The low energy parameters are determined by the running of the soft breaking terms from the GUT scale with SUSY phases consistent…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Bartl , T. Gajdosik , E. Lunghi , A. Masiero , W. Porod , H. Stremnitzer , O. Vives

Scalar triplet extensions of the Standard Model provide an interesting playground for the explanation of neutrino mass suppression through the type-II seesaw mechanism. Propelled by the possible connections with leptonic CP violation, we…

High Energy Physics - Phenomenology · Physics 2022-06-08 P. M. Ferreira , B. L. Gonçalves , F. R. Joaquim

The flavor changing and CP violating phenomena predicted in supersymmetric unified theories as a consequence of the large top quark Yukawa coupling, are investigated in the quark sector and compared with related phenomena in the lepton…

High Energy Physics - Phenomenology · Physics 2009-10-09 Riccardo Barbieri , Lawrence Hall , Alessandro Strumia

The see-saw mechanism of neutrino mass generation, when incorporated in supersymmetric theories with supergravity mediated supersymmetry breaking, results in low-energy lepton-flavour violation arising from the soft supersymmetry breaking…

High Energy Physics - Phenomenology · Physics 2009-11-10 Bruce A. Campbell , David W. Maybury , Brandon Murakami