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Related papers: HQET and Exclusive B Decays

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Exclusive semileptonic B decays into excited charmed mesons ($D_1$, $D^*_2$) are studied up to the order of $1/m_Q$ in the framework of the heavy quark effective field theory (HQEFT), which contains the contributions of both particles and…

High Energy Physics - Phenomenology · Physics 2009-10-31 W. Y. Wang , Y. L. Wu

Rare lepton decays of the B(s), D and K mesons are sensitive probes of New Physics. In particular, the search for the decays $B^0_(s) -> \mu^+ \mu^-$ provides information on the presence of new (pseudo-)scalar particles. LHCb is well suited…

High Energy Physics - Experiment · Physics 2013-01-03 Flavio Archilli

Exclusive semileptonic B decays to radially excited charmed mesons and rare radiative B decay to the orbitally excited tensor K_2^*(1430) meson are investigated in the framework of the relativistic quark model based on the quasipotential…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Ebert , R. N. Faustov , V. O. Galkin

We review recent developments in QCD pertaining to its application to weak decays of heavy hadrons. We concentrate on exclusive rare and nonleptonic B-meson decays, discussing both the theoretical framework and phenomenological issues of…

High Energy Physics - Phenomenology · Physics 2009-10-09 Gerhard Buchalla

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

I review the use of the Heavy Quark Effective Theory in the computation of total rates and differential kinematic distributions in inclusive semileptonic and radiative B decays. Particular attention is paid to strategies for the extraction…

High Energy Physics - Phenomenology · Physics 2014-11-17 Adam F. Falk

We use loop induced processes like meson oscillations and rare b hadron decays to determine the absolute values of the CKM matrix elements $|V_{ub}|$ and $|V_{cb}|$ and compare our results to the standard determinations based on inclusive…

High Energy Physics - Phenomenology · Physics 2022-03-02 Wolfgang Altmannshofer , Nathan Lewis

The exclusive semileptonic $B\to \pi(\rho) e\nu$ decays are studied in the framework of the relativistic quark model based on the quasipotential approach in quantum field theory. The large recoil momentum of the final $\pi(\rho)$ meson…

High Energy Physics - Phenomenology · Physics 2011-01-27 R. N. Faustov , V. O. Galkin , A. Yu. Mishurov

I present some recent measurements of B meson decay rates to leptonic and charmless hadronic final states, as well as of CP-violation charge asymmetries and other features. I sketch the theoretical frameworks used to predict these, and…

High Energy Physics - Experiment · Physics 2009-11-11 William T. Ford

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

In this talk a review on the exclusive determination of Vcb is presented. Updated values of this quantity obtained from B->Dlnu and B->D*lnu decays are given. New measurements from B-factories are expected to come soon and the main…

High Energy Physics - Experiment · Physics 2007-05-23 A. Oyanguren

Using quasipotential approach, we have studied exclusive semileptonic decays of heavy mesons with the account of relativistic effects. Due to more complete relativistic description of the $s$ quark more precise expressions for semileptonic…

High Energy Physics - Phenomenology · Physics 2016-09-01 R. N. Faustov , V. O. Galkin , A. Yu. Mishurov

The energetic exclusive two-body nonleptonic decays of B mesons are investigated in the framework of the relativistic quark model within the factorization approximation. The heavy quark expansion is used for the calculation of form factors.…

High Energy Physics - Phenomenology · Physics 2011-08-17 D. Ebert , R. N. Faustov , V. O. Galkin

We investigate the decays of the excited $(b\bar q)$ mesons as probes of the short-distance structure of the weak $\Delta B=1$ transitions. These states are unstable under the electromagnetic or strong interactions although their widths are…

High Energy Physics - Phenomenology · Physics 2016-04-13 Benjamín Grinstein , Jorge Martin Camalich

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

The more precise extraction for the CKM matrix element |V_{cb}| in the heavy quark effective field theory (HQEFT) of QCD is studied from both exclusive and inclusive semileptonic B decays. The values of relevant nonperturbative parameters…

High Energy Physics - Phenomenology · Physics 2009-11-10 W. Y. Wang , Y. L. Wu , Y. A. Yan , M. Zhong , Y. B. Zuo

We review recent experimental results on B meson decays. These include measurements of the inclusive production of charmed and non-charmed mesons and baryons, the reconstruction of a large number of exclusive hadronic final states with…

High Energy Physics - Phenomenology · Physics 2016-11-03 Thomas E. Browder , Klaus Honscheid , Stephen Playfer

We review recent experimental and theoretical developments in inclusive semileptonic B -> Xc l nu decays. In particular, we discuss the determination of |Vcb| and of the heavy quark masses through fits based on the Operator Product…

High Energy Physics - Experiment · Physics 2011-02-02 Paolo Gambino , Christoph Schwanda

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

We review how to determine |Vub| from inclusive semileptonic B decay using combined cuts on the leptonic and hadronic invariant masses to eliminate the b -> c background. This leads to a determination of |Vub| with theoretical uncertainty…

High Energy Physics - Phenomenology · Physics 2007-05-23 Christian W. Bauer , Zoltan Ligeti , Michael Luke
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