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The decay modes $B$ to $\pi\pi$, $\psi K_S$, $K^- D$, $\pi K$ and $\eta K$ are promising channels to study the unitarity triangle of the CP violating CKM matrix. In this paper I study the consequences of these measurements in the Weinberg…

High Energy Physics - Phenomenology · Physics 2009-10-28 Xiao-Gang He

We discuss several aspects of rare decays and CP violation in the standard model including the impact of the recent top quark discovery. In particular we review the present status of next-to-leading QCD calculations in this field stressing…

High Energy Physics - Phenomenology · Physics 2010-11-01 Andrzej J. Buras

We study a long-overlooked CP violation observable, termed double-mixing CP violation, which arises from the interference between two neutral meson oscillating paths involved in a decay chain. The double-mixing CP violation is beneficial…

High Energy Physics - Phenomenology · Physics 2025-03-18 Wen-Jie Song , Yin-Fa Shen , Qin Qin

We review experimental and theoretical aspects of CP violation in the $B_s^0$-system. In that respect we present updates for the mixing parameters of the $B_s^0$ mesons expected in the Standard Model (SM): the mass difference $\Delta…

High Energy Physics - Phenomenology · Physics 2019-09-09 Marina Artuso , Guennadi Borissov , Alexander Lenz

If New Physics contributes significantly to neutral meson mixing, then it is quite likely that it does so in a CP violating manner. In $D^0-\bar D^0$ mixing measured through $D^0\rightarrow K^+\pi^-$, CP violation induces a term $\propto…

High Energy Physics - Phenomenology · Physics 2010-11-11 Yosef Nir

The violation of the Charge-Parity (CP) symmetry is a phenomenon described by the Standard Model (SM), however, its predictions for this violation are not enough to explain the matter-antimatter asymmetry in the visible universe.…

High Energy Physics - Phenomenology · Physics 2024-08-29 Felipe Cesário Laterza Lopes , Patrícia Camargo Magalhães

The B-meson system provides many strategies to perform stringent tests of the Standard-Model description of CP violation. In this brief review, we discuss implications of the currently available B-factory data on the angles alpha, beta and…

High Energy Physics - Phenomenology · Physics 2010-11-23 Robert Fleischer

The likelihood of a sizable, direct CP-violating asymmetry in the decays $B^\mp\to K^\mp\eta$, is calculated within the framework of the model which originally predicted a sizeable asymmetry in $\pi^\mp\eta(\eta')$. It is shown in a…

High Energy Physics - Phenomenology · Physics 2015-06-25 Saul Barshay , Georg Kreyerhoff

It was pointed out recently that supersymmetry can generate flavor-changing gluonic dipole operators with sufficiently large coefficients to dominate the observed value of epsilon'/epsilon. We point out that the same operators contribute to…

High Energy Physics - Phenomenology · Physics 2009-09-29 Xiao-Gang He , Hitoshi Murayama , Sandip Pakvasa , G. Valencia

CP violation in the field of $B$ physics is a crucial topic for exploring the quark sector and search for New Physics, both for theorists and experimentalists. CP violation manifests itself in various ways and in this presentation, we will…

High Energy Physics - Phenomenology · Physics 2024-02-16 Eleftheria Malami

Supersymmetric models with broken R-parity induced by lepton number violating terms provide a calculable framework for neutrino masses and mixings. Within models with bilinear R-parity breaking six new physical phases appear which are…

High Energy Physics - Phenomenology · Physics 2009-11-07 M. Hirsch , T. Kernreiter , W. Porod

In the minimal supersymmetric standard model (MSSM) with complex parameters, supersymmetric loop effects can lead to \emph{CP} violation. We calculate the rate asymmetries of decays of charginos into the lightest neutralino and a $W$ boson…

High Energy Physics - Phenomenology · Physics 2009-11-07 Wei Min Yang , Dong Sheng Du

In this talk we discuss rare B decays (b -> s gamma, b -> s g, b -> s l^+ l^-), B-\bar{B} oscillations and CP violation in B physics in the context of low-energy SUSY. We outline the variety of predictions that arise according to the choice…

High Energy Physics - Phenomenology · Physics 2016-11-03 A. Masiero , L. Silvestrini

We consider the partial rate asymmetry in the inclusive decay modes b to s gamma and b to d gamma, concentrating on non-standard models with new charged Higgs interactions. We find that the charged Higgs contribution to the asymmetry for b…

High Energy Physics - Phenomenology · Physics 2014-11-17 Ken Kiers , Amarjit Soni , Guo-Hong Wu

CP violation, which involves breaking the combined charge-conjugation (C) and parity (P) symmetries, is essential for understanding the observed matter-antimatter asymmetry in the universe. It is a key feature of the Standard Model,…

High Energy Physics - Phenomenology · Physics 2025-11-14 Alexey A Petrov

If the Standard Model explanation of CP violation is correct, then measurements of CP-violating asymmetries in $B$ meson decays can in principle determine the entire quark mixing matrix.

High Energy Physics - Phenomenology · Physics 2009-09-25 R. Aleksan , B. Kayser , D. London

We study the inclusive rare decay $B\to X_d+\gamma$ in the supergravity inspired Minimal Supersymmetric Standard Model and compute the CP-asymmetry in the decay rates. We show that there exist two phenomenologically acceptable sets of SUSY…

High Energy Physics - Phenomenology · Physics 2009-10-31 H. H. Asatryan , H. M. Asatrian

We study CP violating B decays in the minimal supersymmetric standard model with R-parity violation. We estimate how much R-parity violation modifies the SM predictions for CP asymmetries in B decays within the present bounds. The effects…

High Energy Physics - Phenomenology · Physics 2016-08-25 Ji-Ho Jang , Jae Sik Lee

The study of CP violation in $B$-meson decays has already reached a high level of precision, which will be pushed even higher in the future era of Belle-II and the LHCb upgrade. %Important probes of CP violation are the $B_d^0$ and $B_s^0$…

High Energy Physics - Phenomenology · Physics 2018-07-24 K. Keri Vos

CP violation in H^\pm decays into the three possible decay modes into ordinary particles, 1) H^\pm \to tb, 2) H^\pm \to \nu \tau and 3) H^\pm \to W^\pm h^0 is considered. Analytic expressions and numerical results for the CP violating decay…

High Energy Physics - Phenomenology · Physics 2009-04-14 Ekaterina Christova , Helmut Eberl , Elena Ginina