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相关论文: Grand unification and CP violation

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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…

高能物理 - 唯象学 · 物理学 2009-10-30 Hsin-Chia Cheng

It is shown that the hierarchical structure of the quark mass terms in the standard model suggests a new description of the flavor mixing. The latter is primarily a heavy quark mixing involving the t and b quarks, followed by a mixing…

高能物理 - 唯象学 · 物理学 2010-04-06 H. Fritzsch , Z. Z. Xing

The currently favored model of CP violation is based on phases in the Cabibbo-Kobayashi-Maskawa (CKM) matrix describing the weak charge-changing couplings of quarks. The present status of parameters of this matrix is described. Tests of the…

高能物理 - 唯象学 · 物理学 2014-11-17 Jonathan L. Rosner

After a brief review of the minimal flavour violation hypothesis and its implementation in the MSSM, the most general parametrisation of the soft supersymmetry-breaking terms by means of the charged lepton and neutrino spurions is…

高能物理 - 唯象学 · 物理学 2009-03-27 Lorenzo Mercolli

In this presentation, we discuss recent key topics in theoretical analyses of CP violation in benchmarks decays of the $B$ meson. We provide the most updated values of the mixing phases and discuss the importance of including the penguin…

高能物理 - 唯象学 · 物理学 2024-02-28 Eleftheria Malami

Taking the tri-bimaximal flavor mixing pattern as a particular basis, we propose a new way to expand the $3\times 3$ unitary Pontecorvo-Maki-Nakagawa-Sakata (PMNS) lepton flavor mixing matrix $U$ in powers of the magnitude of its smallest…

高能物理 - 唯象学 · 物理学 2024-04-30 Zhi-zhong Xing

We review and update the constraints on the parameters of the quark flavour mixing matrix $V_{CKM}$ in the standard model and estimate the resulting CP asymmetries in $B$ decays, taking into account recent experimental and theoretical…

高能物理 - 唯象学 · 物理学 2010-11-23 A. Ali , D. London

This work presents the first detailed numerical predictions of CP violation in antitriplet charmed baryon decays. Adopting the flavor $SU(3)_F$ symmetry and the final state re-scattering framework, we relate the CKM-suppressed amplitudes to…

高能物理 - 唯象学 · 物理学 2025-06-24 Xiao-Gang He , Chia-Wei Liu

The standard model picture of flavor and CP violation is now experimentally verified, hence strong bounds on the flavor structure of new physics follow. We begin by discussing in detail the unique way that flavor conversion and CP violation…

高能物理 - 唯象学 · 物理学 2010-05-19 Oram Gedalia , Gilad Perez

The first part of this talk reviews recent developments in flavor physics that can be made without detailed understanding of hadronic physics, driven by the data. The error of sin(2beta) has shrunk below 5%, and the measurements of alpha…

高能物理 - 格点 · 物理学 2014-11-17 Zoltan Ligeti

We review and update the constraints on the parameters of the quark flavour mixing matrix $V_{CKM}$ in the standard model and estimate the resulting CP asymmetries in $B$ decays, taking into account recent experimental and theoretical…

高能物理 - 唯象学 · 物理学 2010-11-11 A. Ali , D. London

We consider the time-dependent analysis of rare $B_d$ and $B_s$ decays mediated by $b\to s \nu \bar \nu$ transitions. The inclusion of time evolution allows us to construct novel observables with specific sensitivity to CP-odd phases in…

高能物理 - 唯象学 · 物理学 2023-01-25 Sébastien Descotes-Genon , Svjetlana Fajfer , Jernej F. Kamenik , Martín Novoa-Brunet

The determination of CP violating phases in the Majorana neutrino mixing matrix using phenomenological constraints from neutrino oscillations, neutrinoless double beta decay, ($\mu^-, e^+$) conversion and few other processes is discussed.…

高能物理 - 唯象学 · 物理学 2007-05-23 M. K. Samal

A general operator expansion is presented for quark and lepton mass matrices in unified theories based on a U(2) flavor symmetry, with breaking parameter of order $V_{cb} \approx m_s/m_b \approx \sqrt{m_c/m_t}$. While solving the…

高能物理 - 唯象学 · 物理学 2009-10-30 R. Barbieri , L. J. Hall , S. Raby , A. Romanino

Recent results on searches for CP and CPT violation in the charm sector are presented. These results include limits on direct CP violation in several channels from the FOCUS and CLEO experiments. The first reported search for CPT violation…

高能物理 - 实验 · 物理学 2007-05-23 Kevin Stenson

We summarize the new results on $B$ meson mixing and mixing-related $CP$ violation presented at CKM2016. We place these results in the context of both previous experimental measurements and the most recent theoretical developments in the…

高能物理 - 唯象学 · 物理学 2017-07-06 Alessandro Gaz , Vladimir V. Gligorov , Dean Robinson

We report on a comparative study of the profile of the CKM unitarity triangle, and the resulting CP asymmetries in B decays, in the standard model and in several variants of the minimal supersymmetric standard model (MSSM), characterized by…

高能物理 - 唯象学 · 物理学 2010-11-23 A. Ali , D. London

We discuss a new general class of mass matrix ansatz that respects the fermion mass hierarchy and calculability of the flavor mixing matrix. This is a generalization and justification of the various specific forms of the mass matrix by…

高能物理 - 唯象学 · 物理学 2014-11-17 Kyungsik Kang , Sin Kyu Kang

We review the present status of the Standard Model of CP violation, which is based on a complex phase in the Cabibbo-Kobayashi- Maskawa (CKM) matrix. So far CP violation has been observed only in $K^0-\Kbar$ mixing, consistent with a…

高能物理 - 唯象学 · 物理学 2010-11-01 Michael Gronau

The last three years have seen a phase transition in our knowledge about CP violation: (i) Direct CP violation has been established in $K_L \to \pi \pi$. (ii) The first CP violation outside $K_L$ decays has been observed in $B_d \to \psi…

高能物理 - 唯象学 · 物理学 2017-08-23 I. I. Bigi
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