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Related papers: B_{c} meson and the light-heavy quarkonium spectru…

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We present lattice results for the spectrum of mesons containing one heavy quark and of baryons containing one or two heavy quarks. The calculation is done in the quenched approximation using the NRQCD formalism for the heavy quark. We…

High Energy Physics - Lattice · Physics 2008-11-26 A. Ali Khan , T. Bhattacharya , S. Collins , C. T. H. Davies , R. Gupta , C. Morningstar , J. Shigemitsu , J. Sloan

Starting from a first principle Salpeter equation we computed the heavy-heavy, light-light and heavy-light quarkonium spectrum and the ground light-light Regge trajectories. We neglect spin-orbit structures and exclude from our treatment…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Baldicchi , G. M. Prosperi

We compute the heavy-heavy, light-light and light-heavy quarkonium spectrum starting from a first principle Salpeter equation obtained in a preceding paper. We neglect spin-orbit structures and exclude from our treatment the light…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. Baldicchi , G. M. Prosperi

In the framework of potential models for heavy quarkonium the mass spectrum for the system ($\bar b c$) is considered. Spin-dependent splittings, taking into account a change of a constant for effective Coulomb interaction between the…

High Energy Physics - Phenomenology · Physics 2009-10-28 V. V. Kiselev , A. K. Likhoded , A. V. Tkabladze

Applying knowledge of the interaction between heavy quarks derived from the study of $c\overline{c}$ and $b\overline{b}$ bound states, we calculate the spectrum of $c\overline{b}$ mesons. We compute transition rates for the electromagnetic…

High Energy Physics - Phenomenology · Physics 2009-09-25 Estia J. Eichten , Chris Quigg

We present highlights of the spectrum of mesons and baryons calculated using NRQCD for heavy quarks and tadpole improved clover action for the light quarks.

High Energy Physics - Lattice · Physics 2015-06-25 Rajan Gupta

The ladder kernel of the Bethe-Salpeter equation is amended by introducing a different flavor dependence of the dressing functions in the heavy-quark sector. Compared with earlier work this allows for the simultaneous calculation of the…

High Energy Physics - Phenomenology · Physics 2020-10-20 Fernando E. Serna , Roberto Correa da Silveira , J. J. Cobos-Martínez , Bruno El-Bennich , Eduardo Rojas

Preliminary results from an extensive lattice calculation of the B, B_c, and \Upsilon spectrum at quenched \beta = 6.0 are presented. The study includes radially and orbitally excited mesons, and baryons containing b quarks. The b quarks…

High Energy Physics - Lattice · Physics 2009-10-31 A. Ali Khan , in collaboration with T. Bhattacharya , S. Collins , C. Davies , R. Gupta , C. Morningstar , J. Shigemitsu , J. Sloan

In the framework of potential models for heavy quarkonium, we compute the mass spectrum of the bottom-charmed $B_{c}$ meson system and spin-dependent splittings from the Schr\"{o}dinger equation using the shifted-large-N expansion…

High Energy Physics - Phenomenology · Physics 2014-11-17 Sameer M. Ikhdair , Ramazan Sever

We include two loop, relativistic one loop and second order relativistic tree level corrections, plus leading nonperturbative contributions, to obtain a calculation of the lower states in the heavy quarkonium spectrum correct up to, and…

High Energy Physics - Phenomenology · Physics 2011-01-27 A. Pineda , F. J. Yndurain

We present results on the spectrum of B mesons and heavy baryons, using a non-relativistic formulation for the heavy and a clover action for the light quark. We also discuss B meson decay constants and their dependency upon the heavy meson…

High Energy Physics - Lattice · Physics 2010-01-18 A. Ali Khan , S. Collins , C. Davies , J. Shigemitsu , J. Sloan

We construct the B.S. equation for the hybrid mesons under instantaneous approximation. The kernel is chosen as the sum of an one-gluon exchange potential and a linear confining potential. The equations are solved by numerical method, and…

High Energy Physics - Phenomenology · Physics 2011-01-25 J. Y. Cui , H. Y. Jin , J. M. Wu

We calculate the $c\bar{b}$ mass spectrum, the splitting values and some other properties in the framework of the semi-relativistic equation by applying the shifted large-N expansion technique. We use seven different central potentials…

High Energy Physics - Phenomenology · Physics 2011-03-23 Sameer M. Ikhdair , Ramazan Sever

We present results of a quenched calculation of the heavy-light and quarkonium spectrum using the tadpole improved clover action. We resolve completely the triplet chi P-states in quarkonium systems, and obtain evidence for fine structure…

High Energy Physics - Lattice · Physics 2009-10-30 P. Boyle , UKQCD Collaboration

In this work we calculate the mass spectrum of charmonium for $1P,...,3P$ states of $0^{++}$ , $1^{++}$, as well as for $1S,...,4S$ states of $0^{-+}$, and $1S, ...,5D$ states of $1^{--}$ along with the two-photon decay widths of ground and…

High Energy Physics - Phenomenology · Physics 2018-02-28 Shashank Bhatnagar , Lmenew Alemu

We present a study of the B spectrum performed in the framework of Heavy Quark Effective Theory expanded to next-to-leading order in 1/m and non-perturbative in the strong coupling. Our analyses have been performed on Nf=2 lattice gauge…

In this work we calculate the mass spectrum and decay constants of ground and excited states of heavy-light $P$-wave mesons such as $1^{++}$ and $1^{+-}$, with quark composition, $c\overline{u}, c\overline{s}, b\overline{u}, b\overline{s}$,…

High Energy Physics - Phenomenology · Physics 2021-08-18 Vaishali Guleria , Shashank Bhatnagar

In this work we use the framework of the Dyson-Schwinger and Bethe-Salpeter equations to compute Light-Cone Distribution Amplitudes of heavy-light mesons and quarkonia. In studying the meson properties, we introduce a flavor dependence in…

High Energy Physics - Phenomenology · Physics 2021-09-17 Fernando E. Serna , Bruno El-Bennich

We present the calculation of the spectrum of baryons containing one heavy quark. Heavy baryon and meson mass splittings are computed and compared with experiment. We give preliminary results for the form factor $G_1$ for the semileptonic…

High Energy Physics - Lattice · Physics 2007-05-23 UKQCD Collaboration , presented by Peer Ueberholz

We present a lattice investigation of heavy-light mesons in the quenched approximation, using non-relativistic QCD for the heavy quark and a clover improved Wilson formulation for the light quark. A comprehensive calculation of the…

High Energy Physics - Lattice · Physics 2010-01-18 A. Ali Khan , C. T. H. Davies , S. Collins , J. Sloan , J. Shigemitsu
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