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Related papers: CP Violation: Past, Present, and Future

200 papers

The phenomenon of CP violation and strategies for extracting the angles of the unitarity triangle are reviewed. Special emphasis is given to the B-meson system, as it plays an outstanding role to test the Standard Model description of CP…

High Energy Physics - Phenomenology · Physics 2007-05-23 Robert Fleischer

The relation between CP-violation phase angle and the other three mixing angles in Cabibbo-Kobayashi-Maskawa matrix is postulated. This relation has a very definite geometry meaning. The numerical result coincides surprisingly with that…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jing-Ling Chen , Mo-Lin Ge , Xue-Qian Li , Yong Liu

We propose a model of soft CP violation that evades the strong CP problem and can describe observed CP violation in the neutral kaon sector, both direct and indirect. Our model requires two ``duark'' mesons carrying quark number two that…

High Energy Physics - Phenomenology · Physics 2017-08-23 Paul H. Frampton

We review the physics of CP violation in B decays. After introducing the CKM matrix and how it causes CP violation, we cover three types of CP violation that can occur in B decays: CP violation in mixing, CP violation by mixing-decay…

High Energy Physics - Phenomenology · Physics 2007-05-23 Hitoshi Yamamoto

Meson-antimeson transitions are flavor-changing neutral current processes in which the strangeness, charm, or beauty quantum number changes by two units. In the Standard Model (SM) these transitions originate from box diagrams with two W…

High Energy Physics - Phenomenology · Physics 2025-12-29 Ulrich Nierste

Several topics on CP violation in the lepton sector are reviewed. A few theoretical aspects concerning neutrino masses, leptonic mixing, and CP violation will be covered, with special emphasis on seesaw models. A discussion is provided on…

High Energy Physics - Phenomenology · Physics 2015-06-03 G. C. Branco , R. Gonzalez Felipe , F. R. Joaquim

We discuss the sensitivity of the CP violating measurements at the upcoming B factories to the presence of physics beyond the Standard Model. We review the three manifestations of CP violation possible in the B meson system. We give…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mihir P. Worah

Recent results and future prospects of the particle physics experiments with neutral and charged K-meson (kaon) decays are reviewed. Topics include CP violation, rare decays, leptons in kaon decays, tests of CPT and quantum mechanics,…

High Energy Physics - Experiment · Physics 2012-08-16 T. K. Komatsubara

This paper is intended to provide a brief overview of the quantum-entangled production of neutral meson-antimeson pairs, and to highlight the first discovery of a clean physical CP-violating phase in coherent neutral-$B$ decays as a smoking…

High Energy Physics - Phenomenology · Physics 2025-08-19 Zhi-zhong Xing

CP violation in the kaon system can manifest itself in decays to final states containing neutral kaons. The effect is governed by an efficiency function that reflects the specific experimental setup. We demonstrate that this efficiency…

High Energy Physics - Phenomenology · Physics 2025-09-10 Yuval Grossman , Paolo Leo , Alberto Martini , Guglielmo Papiri , Armine Rostomyan

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

We study the possible existence of a real Cabibbo-Kobayashi-Maskawa (CKM) matrix, with CP violation originating from physics beyond the standard model (SM). We show that present experimental data allow for a real CKM matrix provided that…

High Energy Physics - Phenomenology · Physics 2009-10-31 G. C. Branco , F. Cagarrinho , F. Krüger

The study of $C\!P$ violation in decays of beauty- and charm-hadrons provides a fundamental test of the predictions of the Standard Model (SM) and represents a sensitive probe to search for physics effects that cannot be described within…

High Energy Physics - Experiment · Physics 2017-09-04 Francesca Dordei

Searches for experimental manifestations of CP violation have born much fruit in recent years with the discovery of direct CP violation and the first evidence of CP violation outside of the neutral kaon system. Nevertheless we still know…

High Energy Physics - Experiment · Physics 2007-05-23 E. Craig Dukes

The first principle derivation of kinetic transport equations suggests that a CP-violating mass term during the electroweak phase transition can induce axial vector currents. Since the important terms are of first order in gradients there…

High Energy Physics - Phenomenology · Physics 2010-04-05 Thomas Konstandin , Tomislav Prokopec , Michael G. Schmidt

A possible supplementary mechanism of CP-violation to the Kobayashi-Maskawa theory is considered in the context of dynamical symmetry breaking.

High Energy Physics - Phenomenology · Physics 2008-01-31 Tadafumi Ohsaku

A review is given of recent developments in the physics of flavor. Current constraints on the Cabibbo-Kobayashi-Maskawa matrix are discussed and related to the recent measurements of epsilon'/epsilon, sin(2beta) and K+ -> pi+ nu nubar. A…

High Energy Physics - Phenomenology · Physics 2011-03-23 Adam F. Falk

I review some of the salient issues connected to CP-violation and weak decays. In particular, I focus on recent and forthcoming tests of the CKM model and discuss the accuracy one can expect to achieve in B-decays for the parameters of this…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. D. Peccei

We review some aspects of neutrino physics and CP violation both in the quark and lepton sectors.

High Energy Physics - Phenomenology · Physics 2008-11-26 G. C. Branco , M. N. Rebelo

CP-violation is one of the least understood phenomena in our field. There are major experimental programs in all high energy laboratories around the world which will hopefully remedy this within the next decade. The study of CP-violating…

High Energy Physics - Experiment · Physics 2011-01-27 Samim Erhan