English
Related papers

Related papers: Overview of the CKM Matrix

200 papers

We systematically investigate general forms of mass matrices for three-generation up and down quarks, including asymmetrical ones in generation space. Viable zero matrix elements are explored which are compatible with the current…

High Energy Physics - Phenomenology · Physics 2009-11-11 Nobuhiro Uekusa , Atsushi Watanabe , Koichi Yoshioka

An analysis of the CKM matrix parameters within the {\it R}fit approach is presented using updated input values with special emphasis on the recent $\sin{2\beta}$ measurements from BABAR and Belle. The QCD Factorisation Approach describing…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Höcker , H. Lacker , S. Laplace , F. Le Diberder

Predictions of the Cabibbo-Kobayashi-Maskawa (CKM) parameters are investigated in detail in recent predictive models which are based on low-energy non-abelian discrete family symmetries. Some of the models can already be excluded at the…

High Energy Physics - Phenomenology · Physics 2010-01-13 Takeshi Araki , Jisuke Kubo

We review recent progress from lattice QCD for the determination of the Cabibbo-Kobayashi-Maskawa matrix elements.

High Energy Physics - Lattice · Physics 2024-04-26 Takashi Kaneko

The universality hypothesis for quark and lepton mixing matrices (CKM and MNS) is further developed. This hypothesis explains why the CKM is almost diagonal whereas the MNS is almost maximally mixed. If this hypothesis is true, the Dirac CP…

High Energy Physics - Phenomenology · Physics 2014-06-19 Takeshi Fukuyama , Hiroyuki Nishiura

We review the current status of the absolute values of the CKM matrix elements V(xb), with particular attention to latest determinations.

High Energy Physics - Phenomenology · Physics 2013-10-01 Giulia Ricciardi

A review of the current status of the Cabibbo-Kobayashi-Maskawa matrix V_CKM is presented. This paper contains an update of the results published in hep-ph/9711261. Values of the parameters entering into the constraints, which restrict the…

High Energy Physics - Phenomenology · Physics 2007-05-23 F. Parodi , P. Roudeau , A. Stocchi

We present here the most important ideas, equations and solutions for the running of all the quark Yukawa couplings and all the elements of the Cabibbo-Kobayashi-Maskawa matrix, in the approximation of one loop, and up to order $\lambda…

High Energy Physics - Phenomenology · Physics 2010-11-23 P. Kielanowski , S. R. Juarez W

We study the contribution to flavor changing neutral current processes from box diagrams with light higgsinos and squarks. Starting with just the Cabbibo Kobayashi Maskawa (CKM) phase, we find contributions to the $K^0$ and $B^0$ meson mass…

High Energy Physics - Phenomenology · Physics 2016-08-24 Mihir P. Worah

The paper is devoted to a discussion of general properties of the Cabibbo-Kobayashi-Maskawa (CKM) matrix. First we propose a general method of a recursive construction of the CKM matrix for any number of generations. This allows to set up a…

High Energy Physics - Phenomenology · Physics 2015-02-13 Hilario Pérez , P. Kielanowski , S. R. Juárez W

Motivated by the recent determination of the top quark mass by the CDF collaboration, $\mt =174 \pm 10 ^{+13}_{-12}$ GeV, we review and update constraints on the parameters of the quark flavour mixing matrix $V_{CKM}$ in the standard model.…

High Energy Physics - Phenomenology · Physics 2009-09-25 A. Ali , D. London

We perform a global analysis of neutrino data in the framework of three massive neutrinos with non-standard neutrino interactions which affect their evolution in the matter background. We focus on the effect of NSI in the present…

High Energy Physics - Phenomenology · Physics 2019-07-24 Ivan Esteban , M. C. Gonzalez-Garcia , Michele Maltoni

Within the standard electroweak model we point out that the $3\times 3$ matrix of quark mixing is characterized by three universal (rephasing-invariant) quantities: one of them for $CP$ violation and the other two for off-diagonal…

High Energy Physics - Phenomenology · Physics 2008-02-03 Zhi-zhong Xing

We investigate chiral symmetry breaking and strong CP violation effects on the phase diagram of strongly interacting matter in presence of a constant magnetic field. The effect of magnetic field and strong CP violating term on the phase…

High Energy Physics - Phenomenology · Physics 2015-06-22 Bhaswar Chatterjee , Hiranmaya Mishra , Amruta Mishra

Some theoretical aspects of $B$ physics are reviewed. These include a brief recapitulation of information on weak quark transitions as described by the Cabibbo-Kobayashi-Maskawa (CKM) matrix, a description of CP asymmetries in $B$ decays to…

High Energy Physics - Phenomenology · Physics 2014-11-17 Jonathan L. Rosner

Several pieces of direct and indirect evidence now suggest that the Kobayashi-Maskawa mechanism plays a distinguished role for CP violation at the electroweak scale. This talk provides a general overview of CP violation in its various…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Beneke

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 phenomenological description of the neutral K and B meson systems is presented. The situation of the current CP violation experiments is described and a detailed discussion of their results is given, followed by some future prospects.

High Energy Physics - Phenomenology · Physics 2015-06-25 Tatsuya Nakada

Loop corrections for physics beyond the Standard Model are computed. DWe discuss the influence of new physics on CP-violating observables. Assuming the standard model gives a correct description of tree level processes, we show how a…

High Energy Physics - Phenomenology · Physics 2007-05-23 Daniel Wyler

These lectures present the phenomenology of B meson decays and their impact on our understanding of CP violation in the quark sector, with an emphasis on measurements made at the e+e- B factories. Some of the relevant theoretical ideas such…

High Energy Physics - Experiment · Physics 2007-05-23 R. V. Kowalewski