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Related papers: CP violation for four generations of quarks

200 papers

We present a pedagogical review of the phenomenology of CP violation, with emphasis on B decays. Main topics include the phenomenology of neutral meson systems, CP violation in the Standard Model of electroweak interactions, and B decays.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Joao P. Silva

Three-Higgs-doublet models (3HDM) allow for a novel, physically distinct form of CP invariance: CP symmetry of order 4 (CP4). Due to the large basis change freedom in 3HDM, it is imperative to recognize the presence of a possibly hidden CP4…

High Energy Physics - Phenomenology · Physics 2019-02-06 Igor P. Ivanov , Celso C. Nishi , Joao P. Silva , Andreas Trautner

A pattern of quark mass hierarchy and CP violation within the framework of low energy supersymmetry is described. By assuming some discrete symmetry among the three families, the quarks of the third family obtain masses at tree level. The…

High Energy Physics - Phenomenology · Physics 2015-06-25 Chun Liu

The CKM-matrix V is written as a linear combination of the unit matrix I and a matrix U which causes intergenerational-mixing. It is shown that such a V results from a class of quark-mass matrices. The matrix U has to be hermitian and…

High Energy Physics - Phenomenology · Physics 2010-11-23 V. Gupta

The premise of an organizing quadratic hierarchy rule in lepton-quark flavor physics was used earlier for explanation of the hierarchy patterns of four generic pairs of flavor quantities 1) charged-lepton and 2) neutrino deviations from…

High Energy Physics - Phenomenology · Physics 2007-10-24 E. M. Lipmanov

We review our works on the sequential fourth generation model and focus on the constriants of $4\times 4$ quark mixing matrix elements. We investigate the quark mixing matrix elements from the rare $K,B$ meson decays. We talk about the $…

High Energy Physics - Phenomenology · Physics 2007-05-23 W. J. Huo

We present simple effective theory of quark masses, mixing and CP violation with level $N=3$ ($A_4$) modular symmetry, which provides solution to the strong CP problem without the need for an axion. The vanishing of the strong CP-violating…

High Energy Physics - Phenomenology · Physics 2024-07-03 S. T. Petcov , M. Tanimoto

A symmetry transformation is well defined in the case of an invariant theory, being the corresponding operator undetermined otherwise. However, we show that, even with CP violation, it is possible to determine the CP transformation by…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. C. Banuls , J. Bernabeu

We construct the most general effective Lagrangian of the matter sector of the Standard Model, including mixing and CP violating terms. The Lagrangian contains the effective operators that give the leading contribution in theories where the…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. Espriu , J. Manzano

We investigate the possibilities of searching for non-standard CP violation in $pp\to t\bar{t}X$ at multiple TeV collision energies. A general kinematic analysis of the underlying partonic production processes $gg\to t\bar{t}$ and…

High Energy Physics - Phenomenology · Physics 2014-11-17 W. Bernreuther , A. Brandenburg

Cosmological implications of asymmetry between particles and antiparticles are reviewed. Three possible mechanisms of CP-violation in cosmology are described. General features of kinetics of generation of cosmological charge asymmetry are…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. D. Dolgov

The invariant formulation of CP violation involves the generation of sets of invariant constraints for CP conservation, the manipulation of their expressions and the identification of complete and minimal subsets of such constraints. In…

High Energy Physics - Phenomenology · Physics 2009-10-28 F. del Aguila , J. A. Aguilar-Saavedra , M. Zrałek

We present an overview of CP violation in the Standard Model and Beyond, describing various possible sources of CP violation and how to search for them.

High Energy Physics - Phenomenology · Physics 2007-05-23 G. C. Branco

An overview of KAON 99 with commentary is presented. Emphasis is placed on the state of CKM mixing and CP violation. The Jarlskog invariant, J_{CP}, is shown to provide a useful quantitative comparison of K and B phenomenology. The…

High Energy Physics - Phenomenology · Physics 2007-05-23 William J. Marciano

We discuss the history of CP violation and its manifestations in kaon physics, its explanation in terms of phases of the Cabibbo-Kobayashi-Maskawa matrix describing charge-changing weak quark transitions, predictions for experiments…

High Energy Physics - Phenomenology · Physics 2015-06-25 Jonathan L. Rosner

CP-violating interaction of quarks and W-bosons with the scalar field background is studied in the Kobayashi-Maskawa with with Standard Model content of flavors and with additional heavy generation of fermions. The corresponding two-loop…

High Energy Physics - Phenomenology · Physics 2009-09-25 M. E. Pospelov

The narrative of these lectures contains three main threads: (i) CP violation despite having so far been observed only in the decays of neutral kaons has been recognized as a phenomenon of truly fundamental importance. The KM ansatz…

High Energy Physics - Phenomenology · Physics 2014-11-17 I. Bigi

The salient features of CP-violating interactions in the standard electroweak theory and in a few of its popular extensions are discussed. Moreover a brief overview is given on the status and prospects of searches for CP non-conservation…

High Energy Physics - Phenomenology · Physics 2009-10-31 W. Bernreuther

I review the predictions and expectations of the CKM model for CP violation in both the $K^0-\bar K^0$ and $B^0-\bar B^0$ systems. A brief discussion of CP violation in charged $K$- and $B$-decays is also included, as well as some remarks…

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

Extended Higgs sectors offer rich opportunities for various forms of CP-violation. Here, we describe a new form of CP-conservation and discuss its consequences. We give a concrete example of a three-Higgs-doublet model dubbed CP4-3HDM with…

High Energy Physics - Phenomenology · Physics 2017-09-13 I. P. Ivanov