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In the present paper we review recent experimental results from the BaBar experiment concerning the measurement of the CKM angles. A particular highlight is given to the novel independent determination of the angle alpha from B0 ->…

High Energy Physics - Experiment · Physics 2015-05-27 Pietro Biassoni

Motivated by the possibility of the low value of sin2\beta in the measurements of BABAR and BELLE collaborations, a reference unitarity triangle is constructed using the unitarity of the CKM matrix and the experimental values of the well…

High Energy Physics - Phenomenology · Physics 2007-05-23 Monika Randhawa , Manmohan Gupta

Motivated by the possibility of the low value of sin2\beta in the measurements of BABAR and BELLE collaborations, we have explored the possibilty of construction of reference unitarity triangle using the unitarity of the CKM matrix, the…

High Energy Physics - Phenomenology · Physics 2014-11-17 Monika Randhawa , Manmohan Gupta

The phenomenon of CP violation and strategies for extracting the angles of the unitarity triangle are reviewed. Special emphasis is given to the B-meson system, as it plays an outstanding role to test the Standard Model description of CP…

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

We report on the initial measurements of the angle gamma and the sum of angles 2 beta + gamma of the Unitarity Triangle. When compared with indirect information on the value of gamma from other measurements of CKM parameters, the…

High Energy Physics - Experiment · Physics 2007-05-23 Justin Albert

By using the most recent determinations of the several theoretical and experimental input parameters, we update the Unitarity Triangle analysis in the Standard Model and discuss the sensitivity to New Physics effects. We investigate the…

High Energy Physics - Phenomenology · Physics 2010-11-23 M. Ciuchini , E. Franco , F. Parodi , V. Lubicz , L. Silvestrini , A. Stocchi

We present the status of the Unitarity Triangle analysis focused on the analyses connected to the CKM angles extraction. The angle values are found to be $\alpha = (90.6\pm 6.6)^{\circ}$, $\sin(2\beta) = 0.68\pm 0.023$, and $\gamma=(72.2\pm…

High Energy Physics - Phenomenology · Physics 2019-08-13 Denis Derkach

Recent experimental results on CP violation in the B sector from BABAR and BELLE, experiments at asymmetric e+e- B-Factories, are summarized in these proceedings. The constraint on the position of the apex of the unitary triangle, obtained…

High Energy Physics - Experiment · Physics 2014-11-17 Sergey Ganzhur

The principal goal of the B-factories is to test the CKM paradigm through measurements that overconstrain the shape of the so-called Unitarity Triangle. The sides of the triangle are evaluated through absolute values of several elements of…

High Energy Physics - Experiment · Physics 2009-11-11 K. Kinoshita

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

The angles of all unitarity triangles of the Cabibbo-Kobayashi-Maskawa matrix are determined from the experimental data. Our analysis is independent of the parameterization of the CKM matrix and it is based on the predictions of the…

High Energy Physics - Phenomenology · Physics 2022-12-07 S. Rebeca Juárez Wysozka , Piotr Kielanowski , Liliana Vazquez Mercado

We present results of a unitary triangle fit based on the scan method. This frequentist approach employs Gaussian uncertainties for experimental quantities, but makes no arbitrary assumptions about the distribution of theoretical errors.…

High Energy Physics - Experiment · Physics 2015-06-12 Gerald Eigen , Gregory Dubois-Felsmann , David G. Hitlin , Frank C. Porter

In this report we summarize the most recent results of measurements of the angle $\gamma/\phi_3$ of the Unitarity Triangle.

High Energy Physics - Experiment · Physics 2019-08-13 T. Aushev

I will review the latest developments in determining the CP-violating phases of the CKM matrix elements from measurements by the BaBar and BELLE experiments at the high-luminosity B factories (PEP-II and KEKB). The emphasis will be on the…

High Energy Physics - Experiment · Physics 2010-06-22 Owen Long

We make the simple observation that there exists a universal unitarity triangle for all models, like the SM, the Two Higgs Doublet Models I and II and the MSSM with minimal flavour violation, that do not have any new operators beyond those…

High Energy Physics - Phenomenology · Physics 2010-11-23 A. J. Buras , P. Gambino , M. Gorbahn , S. Jager , L. Silvestrini

The determination of the angle $\gamma$ of the unitarity triangle of the CKM matrix is regarded as a challenge for future $B$-physics experiments. In this context, the decays $B^\pm\to \pi^\pm K$ and $B_d\to\pi^\mp K^\pm$, which were…

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

A new approach to the parametrization of the CKM matrix, $V$, is considered in which $V$ is written as a linear combination of the unit matrix $I$ and a non-diagonal matrix $U$ which causes intergenerational-mixing, that is $V=\cos\theta…

High Energy Physics - Phenomenology · Physics 2009-01-06 S. Chaturvedi , Virendra Gupta

The unitarity triangles of the $3\times 3$ Cabibbo-Kobayashi-Maskawa (CKM) matrix are studied in a systematic way. We show that the phases of the nine CKM rephasing invariants are indeed the outer angles of the six unitarity triangles and…

High Energy Physics - Phenomenology · Physics 2010-11-01 Dan-di WU , Zhi-zhong XING

I review results related to the CKM angle $\phi_1$($\beta$). These results include recent measurements of CP-violation from the BaBar and Belle experiments in $b\to c \bar{c} s$, $b\to c \bar{c} d$ and $b\to s q \bar{q}$ processes.

High Energy Physics - Experiment · Physics 2010-11-23 T. E. Browder

We present results from an analysis of B0->rho+rho- using 316fb^-1 of Y(4S) -> B0B0bar decays observed with the BaBar detector at the PEP-II asymmetric-energy B Factory at SLAC. We measure the B0->rho+rho- branching fraction, longitudinal…

High Energy Physics - Experiment · Physics 2007-05-23 The BABAR Collaboration , B. Aubert