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Related papers: Phenomenological formula for CKM matrix and its ph…

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We propose a phenomenological formula relating the Kobayashi-Maskawa matrix $V_{KM}$ and quark masses in a form $(m_d,\ m_s,\ m_b)\propto (m_u,\ m_c,\ m_t)V_{KM}$. The formula agrees with experimental data well and has an interesting…

High Energy Physics - Phenomenology · Physics 2014-11-17 Kouzou Nishida , Ikuo S. Sogami

The structure of the Cabibbo-Kobayashi-Maskawa (CKM) matrix is analyzed from the standpoint of a composite model. A model is constructed with three families of quarks, by taking tensor products of sufficient numbers of spin-1/2…

High Energy Physics - Phenomenology · Physics 2009-10-22 Jonathan L. Rosner , Mihir P. Worah

Current experimental data suggest some relations between the Kobayashi-Maskawa Matrix and the quark mass ratios, namely $|V_{us}| \sim \sqrt{m_d / m_s}$, $|V_{ub} / V_{cb}| \sim \sqrt{m_u / m_c}$ and $|V_{cb}| \sim m_s / m_b$. We consider…

High Energy Physics - Phenomenology · Physics 2009-10-31 K. Harayama

The experimental status and theoretical uncertainties of the Cabibbo--Kobayashi--Maskawa (CKM) matrix describing the charge-changing weak transitions between quarks with charges -1/3 ($d, s, b$) and 2/3 ($u, c, t$) are reviewed. Some recent…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jonathan L. Rosner

We show that the Cabbibo-Kobayashi-Maskawa interaction matrix may be constructed with the quark masses.

General Physics · Physics 2018-04-03 M. Novello , V. Antunes

This presentation reviews the Standard Model formalism governing the weak decays of quarks, as embodied in the Cabibbo-Kobayashi-Maskawa (CKM) weak mixing matrix, and summarizes the experimental status and outlook. Two recent CLEO V_cb…

High Energy Physics - Phenomenology · Physics 2007-05-23 Brian K. Heltsley

By analogy with an effective model of charged-lepton mass matrix that, with the inputs of $m^{exp}_e $ and $m^{exp}_\mu$, predicts (in a perturbative zero order) $m_\tau = 1776.80 $ MeV close to $m^{exp}_\tau = 1777.03^{+0.30}_{-0.26}$ MeV,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Wojciech Krolikowski

We review the status of the Cabibbo-Kobayashi-Maskawa (CKM) matrix elements and the CP-violating phases in the CKM-unitarity triangle. The emphasis in these lecture notes is on $B$-meson physics, though we also review the current status and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ahmed Ali

The one loop Renormalization Group Equations for the Yukawa couplings of quarks are solved. From the solution we find the explicit energy dependence on $t=\ln E/\mu $ of the evolution of the {\em down} quark masses $q=d,s,b$ from the grand…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. R. Juarez W. , S. F. Herrera H. , P. Kielanowski , G. Mora H

We propose a strategy to compute the CKM matrix based on the conjecture, recently put forward in the literature, according to which elementary particle masses are not generated like in the standard Higgs scenario, but emerge from a…

High Energy Physics - Phenomenology · Physics 2025-02-04 Maurizio Firrotta , Giancarlo Rossi

We have investigated the present renormalization prescriptions of the Cabibbo-Kobayashi-Maskawa (CKM) quark mixing matrix. Based on one prescription which is formulated by comparing with the fictitious case of no mixing of quark…

High Energy Physics - Phenomenology · Physics 2016-09-06 Yong Zhou

In this review we present and discuss the determination of the magnitude of the Cabibbo-Kobayashi-Maskawa (CKM) matrix parameter $V_{cb}$. The CKM matrix parametrizes the weak charged current interactions of quarks in the Standard Model…

High Energy Physics - Phenomenology · Physics 2020-09-29 Giulia Ricciardi , Marcello Rotondo

The combination of precise experimental measurements and theoretical predictions allows to extract Cabibbo-Kobayashi-Maskawa (CKM) matrix elements or constrain flavor changing processes in the standard model. Focusing at theoretical…

High Energy Physics - Phenomenology · Physics 2024-09-05 Oliver Witzel

In a recent article, this author proposed a program for physics beyond the Standard Model, solely based on modifying the twin pillars of fundamental physics by replacing Lorentz structure with Euclidean Jordan algebra while keeping quantum…

General Physics · Physics 2013-04-12 Guowu Meng

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 current analysis of the Cabibbo-Kobayashi-Maskawa(CKM) quark mixing matrix uses the standard parametrisation by 3 mixing angles and the CP-violating KM phase. However it would be more convenient to express these mixing angle parameters…

High Energy Physics - Phenomenology · Physics 2011-12-08 T. N. Pham

We review two recently proposed on-shell schemes for the renormalization of the Cabibbo-Kobayashi-Maskawa (CKM) quark mixing matrix in the Standard Model. One first constructs gauge-independent mass counterterm matrices for the up- and…

High Energy Physics - Phenomenology · Physics 2010-01-15 B. A. Kniehl , A. Sirlin

A complete review of the Cabibbo-Kobayashi-Maskawa (CKM) matrix elements and of the experimental methods for their determination is presented. A critical analysis of the relevant experimental results, and in particular of the most recent…

Simple transformation formulas between fermion matrices and observables, and numerical values of quark matrices, are obtained on a particular weak basis with one quark matrix diagonal and the other with vanishing elements 1-1, 1-3 and 3-1,…

High Energy Physics - Phenomenology · Physics 2011-02-01 D. Falcone , F. Tramontano

Unitarity triangles and characteristic measurables of the $3\times 3$ Cabibbo-Kobayashi-Maskawa (CKM) matrix are discussed. Beyond the $3\times 3$ CKM scheme we make a rephasing-invariant generalization of the Gronau-Wyler-Dunietz approach…

High Energy Physics - Phenomenology · Physics 2015-06-25 Zhi-zhong Xing
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