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Related papers: Semileptonic B and D decays-latest developments

200 papers

We present a concise review of the theoretical status of the rare semileptonic B -> X_s l^+ l^- decays in the standard model. Particular attention is thereby devoted to the recent theoretical progress concerning, on the one hand the…

High Energy Physics - Phenomenology · Physics 2007-05-23 U. Haisch

I briefly review the theoretical status of semileptonic and radiative B decays in 2005.

High Energy Physics - Phenomenology · Physics 2008-11-26 Paolo Gambino

The status of lattice calculations of heavy quark phenomenology is reviewed. Particular emphasis is placed on the understanding and control of the calculational uncertainties. The ensuing implications for constraining the CKM matrix…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sinead Ryan

The rate of the semileptonic decay b to c l v is calculated with order alphas^2 accuracy, as an expansion around the limit of equal masses of the b and c quarks. Recent results obtained around the limit of the c-quark much lighter than b…

High Energy Physics - Phenomenology · Physics 2008-11-26 Matthew Dowling , Jan H. Piclum , Andrzej Czarnecki

We investigate the semileptonic and nonleptonic decays of $B_s$ mesons. We work within the context of nonrelativistic constituent quark models. We calculate the different form factors that parameterize the hadron matrix elements.

High Energy Physics - Phenomenology · Physics 2015-06-19 C. Albertus

Recent advances in improving extractions of |Vcb| and m_b from spectra of semileptonic inclusive B decay are reported. Results of a general moment analysis of the lepton energy spectrum and the hadronic invariant mass spectrum are…

High Energy Physics - Phenomenology · Physics 2014-11-18 Michael Trott

Heavy-meson semileptonic decays calculations on the lattice are reviewed. The focus is upon obtaining reliable matrix elements. Errors that depend upon the lattice spacing, $a$, are an important source of systematic error. Full $O(a)$…

High Energy Physics - Lattice · Physics 2009-10-28 James Simone

In these proceedings for CIPANP2015 we present a brief overview of the current status of the theoretical approaches used by our group for the extraction of $|V_{cb}|$ and $|V_{ub}|$ through inclusive semi-leptonic $B$ decays. We discuss the…

High Energy Physics - Phenomenology · Physics 2015-10-07 Kristopher J. Healey

We review the recent results on D and Ds meson semileptonic decays from CLEO-c. Comparisons with lattice quantum chromodynamics (LQCD) calculations and implications for B physics are also discussed.

High Energy Physics - Experiment · Physics 2015-03-17 Bo Xin

The Belle II experiment at the SuperKEKB energy-asymmetric $e^+ e^-$ collider is a substantial upgrade of the B factory facility, Belle, at the Japanese KEK laboratory. The main operation of SuperKEKB has started in March 2019, and…

High Energy Physics - Experiment · Physics 2020-01-09 Andrea Fodor

I discuss the first semileptonic $B_s$ decay measurements performed at LHCb, and the prospects for precise studies of $B_s$ semileptonic decay properties. The analyses covered here are based on data collected with the LHCb detector in…

High Energy Physics - Experiment · Physics 2015-03-18 Phillip Urquijo

This work summarizes recent results, both theoretical and experimental, in $B$-meson leptonic and semileptonic decays and metrology of $V_{ub}$ and $V_{cb}$, which were presented at the CKM 2023 workshop. We place these results in context…

High Energy Physics - Phenomenology · Physics 2024-03-28 William I. Jay , Raynette van Tonder , Ryoutaro Watanabe

The magnitude of the CKM matrix elements Vcb can be extracted from inclusive semileptonic B decays in a model independent way pioneered by Kolya Uraltsev and collaborators. I review here the present status and latest developments in this…

High Energy Physics - Phenomenology · Physics 2015-02-16 Paolo Gambino

Decays of B mesons to states involving tau leptons can be used as a tool to search for the effects of new physics, such as those involving a charged Higgs boson. The experimental status of the decays B -> tau nu and B -> D^(*) tau nu is…

High Energy Physics - Experiment · Physics 2009-03-30 M. Barrett

BaBar measurements involving semileptonic decays of B mesons are reviewed. Attention is focused on the extraction of |Vub| and |Vcb| elements of the Cabibbo-Kobayashi-Maskawa quark mixing matrix. Recent results of inclusive and exclusive…

High Energy Physics - Experiment · Physics 2017-08-23 A. Sarti

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

We report new measurements, based on the Run I dataset collected by the LHCb experiment, of the B0 mixing frequency Dm_d and the CKM matrix element |V_ub| using semileptonic b decays. The former is the most precise measurement ever…

High Energy Physics - Experiment · Physics 2015-11-03 Marco Fiore

In the last ten years there has been great progress in calculations of decays of $B$ and $D$ mesons, and baryons containing a heavy $b$ or $c$ quark. One propelling factor has been the measurement of several anomalies in $b\to s$ and $b\to…

High Energy Physics - Phenomenology · Physics 2026-02-13 Aoife Bharucha

I review some of the recent developments in the theoretical description of weak inclusive decays of heavy mesons. The topics cover the value of $|V_{cb}|$ as extracted from semileptonic inclusive decays and a short discussion of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Ball

These notes are a written version of a lecture given at the International Seminar {\it Modern Trends and Classical Approach} devoted to the 80$^{th}$ anniversary of Prof. Karen Ter-Martirosyan, ITEP September 30 -- October 1, 2002. The…

High Energy Physics - Phenomenology · Physics 2010-12-09 I. M. Narodetskii