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Related papers: Relativistic effects in heavy mesons

200 papers

We evaluate the radiative and hadronic decay rates of the $D^*$ mesons using the Heavy Quark Effective Theory and the Vector Meson Dominance hypothesis. We also estimate the width of the $B^*$ electromagnetic transitions and the radiative…

High Energy Physics - Phenomenology · Physics 2009-10-22 P. Colangelo , F. De Fazio , G. Nardulli

I study how to apply relativistic quantum field theory to condensed matter systems. The motivation for this is examined and then two separate elements are considered. First we identify the precise relationship between relativistic and…

High Energy Physics - Phenomenology · Physics 2013-07-15 T. S. Evans

The branching fractions of the semileptonic and rare $B_s$ decays are calculated in the framework of the QCD-motivated relativistic quark model. The form factors of the weak $B_s$ transitions are expressed through the overlap integrals of…

High Energy Physics - Phenomenology · Physics 2014-11-27 R. N. Faustov , V. O. Galkin

Quarkonium resonances in the complex-mass scale are studied. Relativistic quark potential model is used to describe the quark-antiquark system. The complex-mass formula is obtained from two exact asymptotic solutions for the QCD motivated…

High Energy Physics - Phenomenology · Physics 2015-11-25 M. N. Sergeenko

This work establishes a high-precision relativistic theoretical model: start from studying finite speed of light effect based on a coordinate transformation, and further extend the research methods to analyze the overall relativistic…

Atomic Physics · Physics 2019-06-12 Ya-jie Wang , Yu-Jie Tan , Cheng-Gang Shao

We study the heavy-light mesons in a relativistic model, which is derived from the instantaneous Bethe-Salpeter equation by applying the Foldy-Wouthuysen transformation on the heavy quark. The kernel we choose is based on scalar confining…

High Energy Physics - Phenomenology · Physics 2016-05-10 Jing-Bin Liu , Mao-Zhi Yang

The status of relativistic nuclear many-body calculations of nuclear systems to be built up in terms of protons and neutrons is reviewed. In detail, relativistic effects on several aspects of nuclear matter such as the effective mass,…

Nuclear Theory · Physics 2015-03-13 E. N. E. van Dalen , H. Müther

A nonrelativistic decomposition for the quark energy by the ratio of the dispersion of quark momentum squared and the effective quark mass is investigated in the framework of the relativistic oscillator constituent quark model as bound…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. P. Ilichova

The decay constants of pseudoscalar and vector heavy-light mesons are calculated in the framework of the relativistic quark model with the completely relativistic treatment of the light quark. It is argued that relativistic effects play a…

High Energy Physics - Phenomenology · Physics 2009-11-07 D. Ebert , R. N. Faustov , V. O. Galkin

We demonstrate that a relativistic constituent-quark model can give nucleon form factors in agreement with data for both low and high momentum transfer. The relativistic features of the model and the specific form of the wave function are…

High Energy Physics - Phenomenology · Physics 2009-10-22 Felix Schlumpf

The dominantly orbital state description is applied to the study of light mesons. The effective Hamiltonian is characterized by a relativistic kinematics supplemented by the usual funnel potential with a mixed scalar and vector confinement.…

High Energy Physics - Phenomenology · Physics 2008-11-26 F. Brau , C. Semay , B. Silvestre-Brac

One propose a relativistic version of the transfer matrix method for an electron moving through a given number of rectangular barriers of arbitrary shape. It is shown that starting with the Dirac equation depending on the effective mass and…

Other Condensed Matter · Physics 2009-11-11 Ion I. Cotaescu , Paul Gravila , Marius Paulescu

The energetic exclusive two-body nonleptonic decays of B mesons are investigated in the framework of the relativistic quark model within the factorization approximation.

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

The amplitudes for one-pion mediated transitions between heavy meson excited states are obtained in the framework of the relativistic chiral quark model. The effective coupling constants to pions and the decay widths of excited heavy mesons…

High Energy Physics - Phenomenology · Physics 2014-11-17 J. L. Goity , W. Roberts

The aim of this chapter, focused on relativistic mean-field models and part of the Encyclopedia of Nuclear Physics, is to provide an introductory, self-contained discussion accessible to a broad audience, including advanced undergraduate…

Nuclear Theory · Physics 2026-04-10 J. Piekarewicz

General relations between the form factors of B decays to light mesons are derived using the heavy quark and large recoil expansion. On their basis the complete account of contributions of second order in the ratio of the light meson mass…

High Energy Physics - Phenomenology · Physics 2014-11-17 D. Ebert , R. N. Faustov , V. O. Galkin

We study the properties of marginal distributions-projections of the phase space representation of a physical system-under relativistic transforms. We consider the Galileo case as well as the Lorentz transforms exploiting the relativistic…

Quantum Physics · Physics 2009-10-31 Stefano Mancini , Paolo Tombesi , Vladimir I. Man'ko

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

We calculate the form factors for weak decays of $B_{(s)}$ and $D_{(s)}$ mesons to light pseudoscalar and vector mesons. To reveal the intimate connection between different decay modes and to be able to perform the calculations in the full…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. Melikhov , B. Stech

Two complementary approaches to the theory of heavy quarkonia are discussed. The nonrelativistic potential models give amazingly accurate predictions, but lack a theoretical justification. The expansion in powers of $v/c$ is theoretically…

High Energy Physics - Phenomenology · Physics 2009-10-28 Kacper Zalewski