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Related papers: Fast CP Violation

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We discuss precision tests of the standard model in radiative and semileptonic rare B-decays and CP-violating asymmetries, and possible signatures of supersymmetry in these processes. Motivated by current data, and with an eye on the…

High Energy Physics - Phenomenology · Physics 2017-08-23 A. Ali

Semileptonic decays provide an excellent environment for testing the Standard Model (SM). Violation of lepton universality would be a smoking gun for physics beyond the SM. Using semi-tauonic $B$ decays, LHCb finds a value of…

High Energy Physics - Experiment · Physics 2016-11-28 Suzanne Klaver

Methods have been proposed recently to weight data in order to allow visualisation of CP-violation effects in transitions of neutral B mesons to multibody final states that are not CP-eigenstates. These are useful since integration of the…

High Energy Physics - Phenomenology · Physics 2025-10-20 Tim Gershon , Thomas Latham , Peilian Li , Andy Morris , Wenbin Qian , Mark Whitehead , Ao Xu

The best place to search for direct CP violation is the already observed charmless $b\to s$ modes. In SM with FSI, $a_{CP}$ in $K\pi$ modes could be as large as 20-30% but differ in sign between $K^-\pi^+/K^-\pi^0$ and $\bar K^0 \pi^-$. We…

High Energy Physics - Phenomenology · Physics 2007-05-23 George W. S. Hou

We discuss rare kaon decays that violate charged-lepton flavour conservation in supersymmetric theories with and without R parity, in view of possible experiments using an intense proton source as envisaged for a neutrino factory. In the…

High Energy Physics - Phenomenology · Physics 2009-09-11 A. Belyaev , M. Chizhov , A. Dorokhov , J. Ellis , M. E. Gomez , S. Lola

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…

High Energy Physics - Phenomenology · Physics 2023-01-25 Sébastien Descotes-Genon , Svjetlana Fajfer , Jernej F. Kamenik , Martín Novoa-Brunet

We discuss several aspects of direct CP asymmetries in B decays, which are very useful in spite of hadronic uncertainties in asymmetry calculations. 1) Asymmetries in decays to $D^{(*)}K^{(*)}$, $\pi^+\pi^-, \rho^+\rho^-$, providing…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michael Gronau

We discuss how a possible violation of the combined symmetry CPT in the B meson system can be investigated at the LHC. We show how a tagged and an untagged analysis of the decay modes of both B(d) and B(s) mesons can lead not only to a…

High Energy Physics - Phenomenology · Physics 2013-05-07 Anirban Kundu , Soumitra Nandi , Sunando Kumar Patra

Considering that the existing experimental limit for $CPT$ violation is still poor, we explore various possible ways to test $CPT$ symmetry in $CP$-violating $B$ decays at $e^{+}e^{-}$ $B$ factories. We find that it is difficult to…

High Energy Physics - Phenomenology · Physics 2009-12-30 Zhi-zhong Xing

The role of B decays in the study of CP violation is reviewed. We treat the interactions and spectroscopy of the $b$ quark and then introduce CP violation in $B$ meson decays, including time-dependences, decays to CP eigenstates and…

High Energy Physics - Phenomenology · Physics 2017-08-23 Jonathan L. Rosner

The subject of CP violation in B decays is reviewed in the Standard Model (SM) and beyond the SM. The present explanation of CP violation in terms of phases in the Cabibbo-Kobayashi-Maskawa (CKM) matrix can be tested through a variety of CP…

High Energy Physics - Phenomenology · Physics 2016-09-06 M. Gronau

The strong CP violation problem has a long history emanating from its discovery 60 years ago in the decay of neutral kaons and subsequent experimental and theoretical studies over several decades. We review herein experimental data that…

High Energy Physics - Phenomenology · Physics 2024-12-02 Nicolai Popov , William J. Briscoe , Igor Strakovsky

The current status of the search for indirect CP violation in the neutral D meson system at the B-factories and at LHCb is reported. The indirect CP asymmetry search is performed by the measurement of the proper-time asymmetry…

High Energy Physics - Experiment · Physics 2013-12-18 Silvia Borghi

Measurement of $CP$-violating observables in semileptonic decays is a sensitive null-test of the Standard Model: any $CP$ violation would be an unambiguous sign of New Physics effects. The model-independent technique to measure parity and…

High Energy Physics - Phenomenology · Physics 2023-07-12 Vlad Dedu , Anton Poluektov

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…

High Energy Physics - Lattice · Physics 2014-11-17 Zoltan Ligeti

The measurement of time-dependent CP asymmetries in charm decays can provide a unique insight into the flavor changing structure of the Standard Model. We examine a number of different CP eigenstate decays of D mesons and describe a method…

High Energy Physics - Phenomenology · Physics 2013-05-29 Adrian Bevan , Gianluca Inguglia , Brian Meadows

We analyze possible interpretations of the recent LHCb evidence for CP violation in D meson decays in terms of physics beyond the Standard Model. On general grounds, models in which the primary source of flavor violation is linked to the…

High Energy Physics - Phenomenology · Physics 2015-06-04 Gian Francesco Giudice , Gino Isidori , Paride Paradisi

We perform a measurement of the CP asymmetry in b->sgamma decays using a sample of 383 BB events collected by the BABAR detector at the PEP-II asymmetric B factory. We reconstruct sixteen flavor-specific B decay modes containing a…

High Energy Physics - Experiment · Physics 2010-04-12 BABAR Collaboration , B. Aubert

Since the discovery of CP violation more than 5 decades ago, this phenomenon is still attracting a lot of interest. Among the many fascinating aspects of this subject, this review is dedicated to direct CP violation in non-leptonic decays.…

High Energy Physics - Experiment · Physics 2020-09-16 Ignacio Bediaga , Carla Göbel

Coupling the scale invariant unparticle sector to flavour physics and assuming that it remains scale invariant we investigate its consequences in heavy flavour physics. A drastic feature of unparticle physics is an unusual phase leading to…

High Energy Physics - Phenomenology · Physics 2008-11-26 Roman Zwicky
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