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Related papers: CKM matrix from non-leptonic B-decays

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We discuss the determination of the CKM parameters from the forthcoming $CP$ violation observables in $B_s \to K^+ K^-$ decays. Combining the information on mixing induced CP violation in $B_s \to K^+ K^-$, with the $B_d \to J/\psi K_s$…

High Energy Physics - Phenomenology · Physics 2010-11-23 A. Salim Safir

We analyze the impact of the CP-violating observables in the $B_d\to \rho^{\pm} \pi^{\mp}$ system, combined with the precise measurement of $\sin2\beta$, in the extraction of the CKM matrix. We explore two strategies for determining the…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Salim Safir

We update the profile of the CKM matrix. The apex (rhobar,etabar) of the Unitarity Triangle is given by means of a global fit. We propose to include therein sin2alpha from the CP-violating asymmetries in B0->rho+rho-, using isospin to…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Charles , A. Hocker , H. Lacker , S. Laplace , F. R. Le Diberder , J. Malcles , J. Ocariz , M. Pivk , L. Roos

A major goal in B physics is measuring the CP-violating asymmetry in the decay $B^0 \rightarrow \pi^+ \pi^-$. In order to determine one of the phase angles in the CKM matrix from this decay it is necessary to determine the influence of the…

High Energy Physics - Phenomenology · Physics 2010-01-06 Joao P. Silva , L. Wolfenstein

I review the many ways of obtaining information about the CKM matrix through CP violation in the $B$ system. I include direct and indirect CP violation, the role of penguins and isospin analysis, tagging, and $B\to DK$ decays. I also…

High Energy Physics - Phenomenology · Physics 2009-10-28 David London

We show that the CP-violating phases \beta and \beta' can respectively be determined from the time-dependent measurements of B_d \to D^*\pmD^\mp and B_s \to D^*\pm_sD^\mp_s decays, whose final states are non-CP eigenstates. The penguin…

High Energy Physics - Phenomenology · Physics 2011-07-19 Zhi-zhong Xing

We study the influence of penguin (especially, electroweak penguin) effects on some methods of measuring the angles $\alpha$, $\beta$, and $\gamma$ in the CKM unitarity triangle. We use next-to-leading order effective Hamiltonian, and…

High Energy Physics - Phenomenology · Physics 2010-11-23 N. G. Deshpande , Xiao-Gang He , Sechul Oh

We give an overview of direct determinations of the angles of the unitarity triangle of the CKM matrix, using CP-violating effects in B-meson decays. After a discussion of B --> pi K modes, which can be described efficiently through allowed…

High Energy Physics - Phenomenology · Physics 2010-11-23 Robert Fleischer

A brief review of CP violation in the $B$-meson system and of strategies to determine the angles $\alpha$, $\beta$ and $\gamma$ of the unitarity triangle of the CKM matrix is given. Both general aspects and some recent developments are…

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

We present the current wisdom regarding the measurement of the CP-violating phases of the CKM unitarity triangle in $B$-meson decays. After an introduction to the SM picture of CP violation, we review direct and indirect CP violation, the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Oscar F. Hernandez , David London

The phenomenon of CP violation in the B system and strategies for extracting CKM phases are reviewed. We focus both on general aspects and on some recent developments including CP-violating asymmetries in B_d decays, the B_s system in light…

High Energy Physics - Phenomenology · Physics 2014-11-17 Robert Fleischer

We perform a comprehensive SU(3)-flavor analysis of charmed mesons decaying to two pseudoscalar SU(3)-octet mesons. Taking into account SU(3)-breaking effects induced by the splitting of the quark masses, m_s != m_{u,d}, we find that…

High Energy Physics - Phenomenology · Physics 2013-05-30 Gudrun Hiller , Martin Jung , Stefan Schacht

The study of CP violation in $B$-meson decays has already reached a high level of precision, which will be pushed even higher in the future era of Belle-II and the LHCb upgrade. %Important probes of CP violation are the $B_d^0$ and $B_s^0$…

High Energy Physics - Phenomenology · Physics 2018-07-24 K. Keri Vos

I present the status of the elements and parameters of the Cabibbo-Kobayashi-Maskawa (CKM) matrix and summarise the related theoretical progress since "Lepton-Photon 2003". One finds |V_{us}| = 0.2227 +/- 0.0017 from K and tau decays and…

High Energy Physics - Phenomenology · Physics 2009-11-11 Ulrich Nierste

We study the implication of the time-dependent CP asymmetry in $B\to\pi^+\pi^-$ decays on the extraction of weak phases taking into account the precise measurement of $\sin 2\beta$, obtained from the ``gold-plated''mode $B\to J/\psi K_S$.…

High Energy Physics - Phenomenology · Physics 2010-11-23 A. Salim Safir

We classify the extensions of the Standard Model (SM) according to the structure of local operators in the weak effective Hamiltonian and the presence or absence of new flavour and CP-violating interactions beyond those represented by the…

High Energy Physics - Phenomenology · Physics 2015-06-25 Andrzej J. Buras

We use the perturbative QCD methods of Lepage and Brodsky to calculate the rate for B-bar_s -> rho K_s, with an eye toward the CP violating unitarity triangle angle gamma. We show that, although the penguins are large, there are regions of…

High Energy Physics - Phenomenology · Physics 2011-06-07 B. F. L. Ward

In this decade, the exploration of CP violation is governed by the B-meson system, where non-leptonic decays play an outstanding role. To set the stage, we have first a look at the main strategies to circumvent the calculation of the…

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

Strategies for extracting CKM phases from non-leptonic $B$ decays are reviewed briefly. Both general aspects and some recent developments including CP-violating asymmetries, the $B_s$ system in light of a possible width difference…

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

The decays $B_d\to\pi^\mp K^\pm$ and $B^\pm\to\pi^\pm K$ provide interesting constraints on the angle $\gamma$ of the unitarity triangle of the CKM matrix. It is shown that bounds on $\gamma$ can also be obtained from the time evolution of…

High Energy Physics - Phenomenology · Physics 2014-11-17 Robert Fleischer
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