English
Related papers

Related papers: Semileptonic B Decays and Determination of |Vub|

200 papers

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

We present results on semileptonic B decays obtained with the BABAR detector. The large data set accumulated at the PEP-II asymmetric-energy B-Factory allows a new measurement technique, where the hadronic decay of one B meson is fully…

High Energy Physics - Experiment · Physics 2010-11-23 Urs Langenegger

Recent results on inclusive and exclusive semileptonic B decays from B Factories are presented. The status and perspectives of the determination of the CKM matrix elements Vub and Vcb with semileptonic B decays is discussed.

High Energy Physics - Experiment · Physics 2019-08-15 Concezio Bozzi

We present the new analysis of the semileptonic B decays in the framework of the relativistic quark model based on the quasipotential approach. Decays both to heavy D^{(*)} and light \pi(\rho) mesons are considered. All relativistic effects…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. Ebert , R. N. Faustov , V. O. Galkin

Decays of $B$ mesons with leptons in the final state offer an interesting laboratory to search for possible effects of physics from beyond the Standard Model. In view of puzzling patterns in experimental data, the violation of lepton…

High Energy Physics - Phenomenology · Physics 2021-08-02 Robert Fleischer , Ruben Jaarsma , Gilberto Tetlalmatzi-Xolocotzi

B meson semileptonic decays are a crucial tool in our studies of the quark mixing parameters Vcb and Vub. The interplay between experimental and theoretical challenges to achieve precision in the determination of these fundamental…

High Energy Physics - Phenomenology · Physics 2014-11-17 Marina Artuso

The present status of the measurement of the semileptonic B decays is reviewed. Emphasis is given on the factors affecting experimental errors of the Cabibbo-Kobayashi-Masawa matrix element |Vcb | and |Vub |.

High Energy Physics - Experiment · Physics 2007-05-23 Elisabetta Barberio

We review recent experimental progress in the domain of rare radiative, semileptonic and leptonic B decays. The statistical precision attained for these decays has reached a level where they start to impose meaningful constraints on the…

High Energy Physics - Experiment · Physics 2007-05-23 Thomas Schietinger

The present status of the measurement of the inclusive semileptonic $B$ decays is reviewed. In particular the determination of the Cabibbo-Kobayashi-Maskawa matrix elements $|V_{cb}|$ and $|V_{ub}|$ is discussed and some future prospects…

High Energy Physics - Experiment · Physics 2008-10-10 M. Rotondo

Exclusive semileptonic decays of $B$ mesons to the ground, radially and orbitally excited states of light mesons are investigated in the framework of the relativistic quark model based on the quasipotential approach. Such decays are very…

High Energy Physics - Phenomenology · Physics 2026-04-03 V. O. Galkin , Xian-Wei Kang

We briefly summarize up-to-date results on the determination of the parameters of the Cabibbo-Kobayashi-Maskawa matrix $|V_{cb}|$ and $|V_{ub}|$, which play an important role in the unitarity triangle and in testing the Standard Model, and…

High Energy Physics - Phenomenology · Physics 2018-08-29 Giulia Ricciardi

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

Semileptonic B and D decays are on a well deserved podium to extract CKM matrix elements, to validate theoretical tools and, more recently, even to look for hints of new physics. Here we review the latest updates.

High Energy Physics - Phenomenology · Physics 2013-09-19 Giulia Ricciardi

Presented are selected results of semileptonic B decays at BaBar. Two measurements of the Cabibbo-Kobayashi-Maskawa matrix element $|V_{cb}|$ are reported. One using moments of the hadronic-mass spectrum in inclusive $\bar{B} \to X_{c}…

High Energy Physics - Experiment · Physics 2019-08-13 M. Sigamani

We present results for different observables in weak decays of pseudoscalar and vector mesons with a heavy $c$ or $b$ quark. The calculations are done in a nonrelativistic constituent quark model improved at some instances by heavy quark…

High Energy Physics - Phenomenology · Physics 2009-11-11 C. Albertus , E. Hernández , J. Nieves , J. M. Verde-Velasco

In the present work we study the semileptonic decays of $\bar B_s$ mesons in the context of nonrelativistic constituent quark models. We estimate the uncertainties of our calculation using different interquark potentials to obtain the meson…

High Energy Physics - Phenomenology · Physics 2014-04-01 C. Albertus

We report results of our ongoing investigation concerning semileptonic decays of heavy pseudoscalar mesons into pseudoscalar and vector mesons. Particular attention is paid to uncertainties in the $q^2$ and the heavy quark mass dependence…

High Energy Physics - Lattice · Physics 2009-10-28 S. Güsken , K. Schilling , G. Siegert

Two of the elements of the Cabibbo-Kobayashi-Maskawa quark mixing matrix, $|V_{ub}|$ and $|V_{cb}|$, are extracted from semileptonic B decays. The results of the B factories, analysed in the light of the most recent theoretical…

We review the experimental measurements and theoretical descriptions of leptonic and semileptonic decays of particles containing a single heavy quark, either charm or bottom. Measurements of bottom semileptonic decays are used to determine…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jeffrey D. Richman , Patricia R. Burchat

Semileptonic $\Lambda_b$ decays are investigated in the framework of the relativistic quark model based on the quasipotential approach and the quark-diquark picture of baryons. The decay form factors are expressed through the overlap…

High Energy Physics - Phenomenology · Physics 2016-10-28 R. N. Faustov , V. O. Galkin
‹ Prev 1 2 3 10 Next ›