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Some new methods for the extraction of CKM phases $\alpha$ and $\gamma$ using flavor SU(3) symmetry have been suggested through the construction of rigid polygons in the complex plane with sides equal to the decay amplitudes of B mesons…

High Energy Physics - Phenomenology · Physics 2011-06-20 Amol S. Dighe

We report on a new method to a global fit of the CKM matrix by using the necessary and sufficient condition the data have to satisfy in order to find a unitary matrix compatible with them. This condition writes as $-1\le \cos\phi\le 1$…

High Energy Physics - Phenomenology · Physics 2007-05-23 Petre Dita

We have analyzed how much the $CP$ angles to be measured at B factories can deviate from the geometrical ones defined in unitarity triangle under the existence of new physics. The measurements are given in rephasing invariant form. If KM…

High Energy Physics - Phenomenology · Physics 2009-10-30 T. Kurimoto , A. Tomita

Constraints on the CKM angle \gamma are presented from GLW, ADS, and GGSZ analyses of B+- -> D K+- at the LHCb experiment. The branching fractions of B0 -> D0bar K+ \pi- and Bs -> D0bar K- \pi+ are also reported, measured relative to the…

High Energy Physics - Experiment · Physics 2013-10-01 Daniel Craik

The current experimental uncertainty on the CKM unitarity triangle angle $\phi_3$ is significantly larger than that on the standard model prediction. A more precise measurement of $\phi_3$ is crucial for testing the SM description of $CP$…

High Energy Physics - Experiment · Physics 2019-10-15 P. K. Resmi

Precision determination of the CKM angle $\gamma/\phi_3$ depends upon constraints on charm mixing amplitudes, measurements of doubly-Cabibbo suppressed amplitudes and relative phases, and studies of charm Dalitz plots tagged by flavor or CP…

High Energy Physics - Experiment · Physics 2010-01-05 Eric White , Qing He

After a brief review of the present status of the standard methods to extract CKM phases from CP-violating effects in non-leptonic B-decays, an overview of recent theoretical developments in this field is given, including extractions of…

High Energy Physics - Phenomenology · Physics 2011-03-23 Robert Fleischer

In this proceeding I present the latest result by the LHCb collaboration in determining the CKM angle $\gamma$ ($(73^{+9}_{-10})^{\circ}$). The result is determined by combining several $B \to Dh$ analyses, and the latest results from the…

High Energy Physics - Experiment · Physics 2019-08-16 Suvayu Ali

The CKM angle $\gamma/\phi_{3}$ had been measured by two B-factories, the PEPII collider for the BaBar experiment and the KEKB collider for the Belle experiments. The present paper reports recent progress in $\gamma/\phi_{3}$.

High Energy Physics - Experiment · Physics 2011-08-22 Yoshiyuki Onuki

The BABAR collaboration measurements of the B -> pipi, B -> rhopi and B -> rhorho decays are presented. New results, from a 113 fb-1 data sample, on the time-dependent CP asymmetries of the longitudinally polarized component of the B0 ->…

High Energy Physics - Experiment · Physics 2007-05-23 Lydia Roos

We present a measurement of the angle phi1 of the CKM Unitarity Triangle using time-dependent Dalitz analysis of D -> Ks pi+ pi- decays produced in neutral B meson decay to a neutral D meson and a light meson (B0bar -> D(*) h0). The method…

High Energy Physics - Experiment · Physics 2019-08-14 P. Krokovny

An improved flavor SU(3) method is presented for determining the weak angle $\gamma$ of the unitarity triangle using decay rates for $B^+\to K\pi, B^+\to K^+\bar K^0$ and $B^+\to \pi^+\eta$ (or $B^0\to K\pi$ and $B_s\to K \pi$), their…

High Energy Physics - Phenomenology · Physics 2014-11-17 Michael Gronau , Dan Pirjol

This report summarizes the most recent progress in measuring the angle gamma (or phi_3) of the Unitarity Triangle.

High Energy Physics - Experiment · Physics 2008-07-14 A. Poluektov

This paper describes the determination of the direct CP observables R_cp and A_cp, related to the CKM angle gamma, using B- to D0 K- decays in 1.0 inverse fb of data collected with the CDF II detector. This is the first measurement of these…

High Energy Physics - Experiment · Physics 2019-08-13 Karen Gibson

The decays B_{d,s}^0 --> K^{(*)} K-bar^{(*)} can be used to measure the angle alpha of the CKM unitarity triangle. The theoretical error from SU(3) breaking is expected to be small, so that the determination of alpha is clean. Moreover,…

High Energy Physics - Phenomenology · Physics 2010-11-23 Alakabha Datta , David London

We show that the CKM phase $2 \beta+\gamma$ can be extracted from measurement of the time dependent rates in the decays $\bar{B}^0 \to D^{(*)\pm} M^\mp$ and $B^0 \to D^{(*)\pm} M^\mp$, where $M=a_0$, $\pi(1300)$, $b_1$, $a_2$, $\pi_2$,…

High Energy Physics - Phenomenology · Physics 2014-11-17 M. Diehl , G. Hiller

These proceedings review direct CP violation in hadronic B decays. The experimental results include those related to the measurement of the unitarity triangle angle gamma using B->D(*)K(*) decays and measurements of charmless hadronic B…

High Energy Physics - Experiment · Physics 2014-12-16 Jim Libby

One of the most promising ways to determine the angle gamma of the CKM unitarity triangle is through measurement of the tree level processes B to DK. The LHCb collaboration has studied the potential of these decays employing the…

High Energy Physics - Experiment · Physics 2010-11-11 Yuehong Xie

Recently Ciuchini, Pierini and Silvestrini proposed a method for constraining CKM parameters in B->K pi pi and B_s-> K pi pi through phase measurements of amplitudes involving I=3/2 K*pi final states. We show that complementary information…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michael Gronau , Dan Pirjol , Amarjit Soni , Jure Zupan

In anticipation for intensive experimental effort on B physics, theorists have introduced many ingenious ways to measure properties of the unitarity triangle. We review some of these methods. We will be critical in the hope that, if there…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. I. Sanda , Zhi-zhong Xing