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We review new physics effects on CP violation in B decays. We describe the Standard Model predictions for the various types of CP asymmetries and discuss the theoretical cleanliness of these predictions. We point out the ingredients in the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Yosef Nir

The two kinds of indirect CP violation in neutral meson systems are related, in the absence of new weak phases in decay. The result is a model-independent expression relating CP violation in mixing, CP violation in the interference of…

High Energy Physics - Phenomenology · Physics 2009-11-05 Alexander L. Kagan , Michael D. Sokoloff

In view of the discovery potential associated with the future experiments of high-luminosity fixed target facilities, B-meson factories and \tau-charm factories, we highlight some typical signals of D^0-\bar{D}^0 mixing and CP violation…

High Energy Physics - Phenomenology · Physics 2016-09-06 Zhi-zhong Xing

We utilize the universality of pion-pion ($\pi\pi$) final-state interactions at small invariant masses to understand the enhanced localized CP violation in $B^\pm\to K^\pm\pi^+\pi^-$, using a dispersive approach. From a fit to the…

High Energy Physics - Phenomenology · Physics 2026-04-01 L. A. Heuser , A. Reyes-Torrecilla , C. Hanhart , B. Kubis , P. C. Magalhães , T. Mannel , J. R. Peláez

We discuss the testing of the Standard Model of CP violation, and the search for CP-violating effects from beyond the Standard Model, in $B$ decays. We then focus on the quantum mechanics of the experiments on CP violation to be performed…

High Energy Physics - Phenomenology · Physics 2009-09-25 Boris Kayser

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 most recent results on CP violation in $b$ hadrons obtained by the LHCb Collaboration with Run I and years 2015-2016 of Run II are reviewed. The different types of violation are covered by the studies presented in this paper.

High Energy Physics - Experiment · Physics 2018-05-04 A. Hicheur

Experimental prospects for observing CP violation in B-meson decays are reviewed. Comparisons are made for various options: experiments at $e^+ e^-$ B-Meson Factories, HERA and the TEVATRON will produce results in near future. They will…

High Energy Physics - Experiment · Physics 2007-05-23 T. Nakada

We calculate the production of 2 b-quark pairs in hadron collisions. Sources of multiple pairs are multiple interactions and higher order perturbative QCD mechanisms. We subsequently investigate the competing effects of multiple b-pair…

High Energy Physics - Phenomenology · Physics 2010-11-01 F. Halzen , M. C. Gonzalez-Garcia , T. Stelzer , R. A. Vazquez

We examine effects of final state interactions (FSI) in kaon decays using a new scheme without the Omnes function, and show that while Delta I=1/2 rule is impossible to be explained in terms of FSI alone, $\epsilon'/\epsilon\sim 16.5\times…

High Energy Physics - Phenomenology · Physics 2014-11-17 Masayuki Uehara

Latest LHCb measurements of $CP$ violation in the interference between mixing and decay are presented based on $pp$ collision data collected during LHC Run I, corresponding to an integrated luminosity of $3.0\, {\rm fb}^{-1}$. Approximately…

High Energy Physics - Experiment · Physics 2014-09-02 Sean Benson

A rare decay $K_L \to \mu^+ \mu^- $ has been measured precisely, while a rare decay $K_S \to \mu^+ \mu^- $ will be observed by an upgrade of the LHCb experiment. Although both processes are almost CP-conserving decays, we point out that an…

High Energy Physics - Phenomenology · Physics 2017-11-16 Giancarlo D'Ambrosio , Teppei Kitahara

We explore the phenomenological impact of interference in tree-level contributions to three-body final states in $2\to 3$ scattering processes. This work introduces a novel search strategy leveraging asymmetries to enable sensitivity to…

High Energy Physics - Phenomenology · Physics 2025-08-06 Innes Bigaran , Joshua Isaacson , Taegyun Kim , Karla Tame-Narvaez

We review recent advances in the theory of strong-interaction effects and final-state interactions in hadronic weak decays of heavy mesons. In the heavy-quark limit, the amplitudes for most nonleptonic, two-body B decays can be calculated…

High Energy Physics - Phenomenology · Physics 2009-10-31 Matthias Neubert

Charmless B hadrons decays offer rich opportunities to test the Standard Model. CP violation in charmless charged two-body and three-body B decays provides ways to measure the CKM angle $\gamma$ and to search for New Physics. Also,…

High Energy Physics - Experiment · Physics 2014-11-10 Marc Grabalosa Gándara

We consider a general two-Higgs-doublet model with CP violation in the scalar sector, that leads, at the one-loop level of the perturbation expansion, to CP-violation in the process $e^+e^- \to t\bar{t} \to l^\pm ...$ and $e^+e^- \to…

High Energy Physics - Phenomenology · Physics 2014-11-17 B. Grzadkowski , J. Pliszka

Indirect CP violation in the $D^0$ system can be probed by measuring the parameter $A_{\Gamma}$, defined as the CP asymmetry of the effective lifetime of the $D^0$ meson decaying to a CP eigenstate. This can be significantly enhanced beyond…

High Energy Physics - Experiment · Physics 2015-01-27 Michael Alexander

The CP violating phase $\phi_s$ can be measured in the interference between mixing and decay of $B_s^0$ mesons decaying to CP eigenstates. The phase $\phi_s$ the decay width difference $\Delta\Gamma_s$ and the average decay width $\Gamma_s$…

High Energy Physics - Experiment · Physics 2012-07-20 Yasmine Amhis

We critically analyze recent attempts to include final state interaction (FSI) effects in the calculation of the CP violating ratio epsilon'/epsilon. In particular the approach of using the Muskhelishvili-Omnes equation for the decay…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. J. Buras , M. Ciuchini , E. Franco , G. Isidori , G. Martinelli , L. Silvestrini

Direct CP violation in charmless three-body hadronic decays of $B$ mesons is studied within the framework of a simple model based on the factorization approach. Three-body decays of heavy mesons receive both resonant and nonresonant…

High Energy Physics - Phenomenology · Physics 2016-11-23 Hai-Yang Cheng , Chun-Khiang Chua , Zhi-Qing Zhang
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