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Related papers: B Physics at LEP and SLD

200 papers

We present the latest B physics results from the CDF experiment at the Fermilab Tevatron collider. We focus on a number of analyses, including a measurement of the forward-backward asymmetry of B -> K^(*) mu mu decays, determination of the…

High Energy Physics - Experiment · Physics 2010-06-01 Elisa Pueschel

Some aspects of $B$ physics relevant for experiments in hadron colliders are discussed. These include the determination of parameters of the CKM Matrix and confirmation of its role in CP violation, studies of mixing of nonstrange and…

High Energy Physics - Phenomenology · Physics 2009-10-28 Jonathan L. Rosner

In these lectures I review what has been learned from studies of b-quark decays, including semileptonic decays ($V_{ub}$ and $V_{cb}$), $B^o-\overline{B}^o$ mixing and rare B decays. Then a discussion on CP violation follows, which leads to…

High Energy Physics - Phenomenology · Physics 2014-11-17 Sheldon Stone

The measurements of rare leptonic and semi-leptonic B decays performed at the LHC, not showing any significant deviations from the Standard Model expectations, put strong constraints on new physics. A brief account of the impact of recent…

High Energy Physics - Phenomenology · Physics 2013-05-27 David M. Straub

The Belle experiment at the KEKB asymmetric energy e+e- collider recorded large data sets of both, B and Bs decays. Semileptonic decays B(s) -> X l nu (l = electron or muon) constitute approximately one fifth of the total decay width of…

High Energy Physics - Experiment · Physics 2013-05-17 Christian Oswald

We review semi-inclusive charmless B decays, focussing on threshold logarithmic resumming and on universality of QCD dynamics in radiative and semileptonic decays.

High Energy Physics - Phenomenology · Physics 2007-05-23 Giulia Ricciardi

I briefly describe recent developments in the theoretical analysis of non leptonic and semileptonic B decays. For non leptonic transitions, I focus on factorization, from the naive formulation to the most recent achievements. As for…

High Energy Physics - Phenomenology · Physics 2007-05-23 Fulvia De Fazio

These proceedings provide a brief overview of the status of $B$ meson physics, putting particular emphasis on precision tests of the Standard Model with meson mixing data, and on the anomalies in charged- and neutral-current semileptonic…

High Energy Physics - Phenomenology · Physics 2024-03-20 Monika Blanke

With ~10fb$^{-1}$ data from Belle, the results of b to c and u decays have been represented here. Several decay modes have been studied, which include charmonium, semileptonic decay and Cabibbo-suppressed decays mode. The preliminary…

High Energy Physics - Experiment · Physics 2007-05-23 C. H. Wang

An update profile of the CKM matrix is given, providing numerical and graphical constraints on the CKM parameters in the Standard Model. Constraints on additional parameters accounting for possible new physics contribution in a…

High Energy Physics - Phenomenology · Physics 2009-02-18 Olivier Deschamps

The semileptonic decay of a b-quark, b--> c l nu, is considered in the relativistic limit where the decay products are approximately collinear. Analytic results for the double differential lepton energy distributions are given for finite…

High Energy Physics - Phenomenology · Physics 2011-01-25 Dieter Zeppenfeld

We consider three possible scenarios of new physics in B^0_d-\bar{B}^0_d mixing and propose a simple framework for analyzing their effects. This framework allows us to study the CP asymmetry in semileptonic B_d decays ({\cal A}_{SL}) and…

High Energy Physics - Phenomenology · Physics 2009-10-30 A. I. Sanda , Zhi-zhong Xing

$B$ processes are a rich source of potential anomalies that could lead to the discovery of BSM physics. The long-standing tension between the inclusive and the exclusive determinations of the CKM matrix elements $|V_{xb}|$, or the current…

High Energy Physics - Phenomenology · Physics 2025-04-11 Alejandro Vaquero Aviles-Casco

We report on the current status of semi-leptonic $B_{(s)}$ decays, including rare decays, and the extraction of the absolute values of the CKM matrix elements $|V_{cb}|$ and $|V_{ub}|$.

High Energy Physics - Phenomenology · Physics 2014-06-13 Giulia Ricciardi

Semileptonic decays of $B$ mesons that proceed via $b\rightarrow u$ and $b\rightarrow c$ transitions, as well as rare leptonic $B$ decays, are fertile grounds for probing new physics beyond the Standard Model. The Belle II experiment…

High Energy Physics - Experiment · Physics 2023-03-06 Priyanka Cheema

The most recent measurements of the observables $R_{D^{(*)}}$ are in tension with the Standard Model offering hints of New Physics in $b\rightarrow c \ell \bar{\nu}_{\ell}$ transitions. Motivated by these results, in this work we present an…

High Energy Physics - Phenomenology · Physics 2018-12-14 Giovanni Banelli , Robert Fleischer , Ruben Jaarsma , Gilberto Tetlalmatzi-Xolocotzi

Lectures content: (1) Flavour physics within the SM and the flavour problem; (2) B-physics phenomenology: mixing, CP violation, and rare decays; (3) Flavour physics beyond the SM: models and predictions.

High Energy Physics - Phenomenology · Physics 2010-01-21 Gino Isidori

Semileptonic decays of the B mesons provide an excellent probe for the weak and strong interactions of the bottom quark. The large data samples collected at the B Factories have pushed the experimental studies of the semileptonic B decays…

High Energy Physics - Experiment · Physics 2008-11-26 Masahiro Morii

We discuss the most important Physics thus far extracted from studies of B meson decays. Measurements of the four CP violating angles accessible in B decay are reviewed as well as direct CP violation. A detailed discussion of the…

High Energy Physics - Phenomenology · Physics 2009-12-03 Marina Artuso , Elisabetta Barberio , Sheldon Stone

We review recent experimental results on hadronic decays and lifetimes of hadrons containing b and c quarks. We discuss charm counting and the semileptonic branching fraction in B decays, the color suppressed amplitude in B decay, and the…

High Energy Physics - Phenomenology · Physics 2011-04-15 T. E. Browder