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Related papers: $B$ Physics (Theory)

200 papers

Properties of bottom and bottom-strange mesons are computed in two relativized quark models. Model masses and wavefunctions are used to predict radiative transition rates and the $^3P_0$ quark pair creation model is used to compute strong…

High Energy Physics - Phenomenology · Physics 2016-09-28 Stephen Godfrey , Kenneth Moats , Eric S. Swanson

To start the $b$-decay session we briefly introduce and comment some important theoretical tools which are currently used in $b$ physics. Heavy Quark Symmetry and its consequences for heavy to heavy and heavy to light semi-leptonic decays,…

High Energy Physics - Phenomenology · Physics 2008-02-03 A. Le Yaouanc , L Oliver , O. Pène , J. -C. Raynal

We conduct a systematic study of the impact of new physics in quark-level $b \to c \bar{c} s$ transitions on $B$-physics, in particular rare $B$-decays and $B$-meson lifetime observables. We find viable scenarios where a sizable effect in…

High Energy Physics - Phenomenology · Physics 2018-08-07 Sebastian Jäger , Matthew Kirk , Alexander Lenz , Kirsten Leslie

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

The status of the heavy quark expansion for inclusive B decays is briefly reviewed from the perspective of confronting theory with data and of extracting the heavy quark parameters. A good agreement between properly applied theory and new…

High Energy Physics - Phenomenology · Physics 2007-05-23 Nikolai Uraltsev

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

We briefly report on some particular aspects of new physics searches concerning, on the one side, the CKM paradigm and, on the other, the global fit to rare $b\to s \ell\ell$ observables including lepton flavour universality ones. We put…

High Energy Physics - Phenomenology · Physics 2017-11-13 Joaquim Matias

While the Kobayashi--Maskawa model of CP violation passed its first crucial precision test in $B\to J/\psi K_S$, other CP asymmetries in $B$ and $B_s$ decays will have to be measured in order to critically test and overconstrain the model…

High Energy Physics - Phenomenology · Physics 2007-05-23 Michael Gronau

In this talk some of the theoretical aspects of $b \to s \gamma$ transitions are discussed. The focus is on inclusive decays, since these can be computed more reliably. Topics covered are (1) perturbative QCD corrections, (2)…

High Energy Physics - Phenomenology · Physics 2016-11-23 Thomas Mannel

Rare decays of the $B$ meson are sensitive to new physics effects. Several experimental results on these decays have been difficult to understand within the standard model (SM) though more precise measurements and a better understanding of…

High Energy Physics - Phenomenology · Physics 2009-11-13 Alakabha Datta

We discuss several issues related to direct CP violation in rare $B$ meson decays. We review the use of CP asymmetries in extracting information of strong and weak phases, how the experimental data fit into the overall picture, and the…

High Energy Physics - Phenomenology · Physics 2008-08-12 Cheng-Wei Chiang

Predictions of the Cabibbo-Kobayashi-Maskawa (CKM) parameters are investigated in detail in recent predictive models which are based on low-energy non-abelian discrete family symmetries. Some of the models can already be excluded at the…

High Energy Physics - Phenomenology · Physics 2010-01-13 Takeshi Araki , Jisuke Kubo

We review the salient features of $B$-meson physics, with particular emphasis on the measurements carried out at the $B$-factories and Tevatron, theoretical progress in understanding these measurements in the context of the standard model,…

High Energy Physics - Phenomenology · Physics 2017-08-23 Ahmed Ali

We discuss the history of CP violation and its manifestations in kaon physics, its explanation in terms of phases of the Cabibbo-Kobayashi-Maskawa matrix describing charge-changing weak quark transitions, predictions for experiments…

High Energy Physics - Phenomenology · Physics 2015-06-25 Jonathan L. Rosner

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

The search for New Physics (NP) beyond the Standard Model (SM) has been a central focus of particle physics, including in the context of $B$-meson decays involving $b \to s \ell \ell$ transitions. These transitions, mediated by…

High Energy Physics - Phenomenology · Physics 2024-08-08 F. Mahmoudi , Y. Monceaux

To provide focus to my review of charm theory at the B-Physics and CP-Violation conference, I consider theoretical issues related to possible charm studies at B-factories. A few topics of interest to the author are stressed -- rare decays,…

High Energy Physics - Phenomenology · Physics 2016-11-03 Eugene Golowich

We review the subject of CP violation in $B$ decays in the Standard Model (SM) and beyond the SM. We describe some of the present most promising ways of testing the Cabibbo-Kobayashi-Maskawa (CKM) origin of CP violation through a…

High Energy Physics - Phenomenology · Physics 2014-11-17 M. Gronau

Some past, present, and future aspects of CP violation are reviewed. The discrete symmetries C, P, and T are introduced with an example drawn from Maxwell's Equations. The history of the discovery of CP violation in the kaon system is…

High Energy Physics - Phenomenology · Physics 2009-10-31 Jonathan L. Rosner

We review several aspects of K-Physics: i) Main targets of the field, ii) The theoretical framework for K-decays, iii) Standard analysis of the unitarity triangle, iv) epsilon'/epsilon, v) Rare and CP violating K-decays, vi) Comparision of…

High Energy Physics - Phenomenology · Physics 2016-09-06 Andrzej J. Buras