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In this contribution, we briefly discuss the results for charmonium and bottomonium spectra with self-energy corrections in the unquenched quark model, due to the coupling to the meson-meson continuum. The UQM formalism can be extended to…

High Energy Physics - Phenomenology · Physics 2015-10-05 E. Santopinto , J. Ferretti

We present a study of mass spectra and electromagnetic couplings of $S$- and $P$-wave heavy baryons in the framework of a non-relativistic harmonic oscillator quark model. Particular attention is paid to the properties of heavy cascade…

High Energy Physics - Phenomenology · Physics 2023-10-04 Roelof Bijker , Emmanuel Ortiz-Pacheco

We calculate the electroweak properties of nucleons and hyperons in a relativistic constituent quark model using the light-front formalism. The parameters of the model, namely the constituent quark mass and the confinement scale, can be…

High Energy Physics - Phenomenology · Physics 2014-11-17 Felix Schlumpf

The decay of heavy orthoquarkonium into quark-antiquark pair and two gluons is considered. The differential probability of the decay in the tree approximation is calculated and the final quark mass influence on the quark and gluon…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Ya. Parkhomenko , A. D. Smirnov

An open question in hadronic phenomenology concerns the ``unquenching" effects of higher Fock space components on the leading Fock space description of hadrons. We address this by making a comparison of the bottomonium spectrum as computed…

High Energy Physics - Phenomenology · Physics 2025-03-14 M. Atif Sultan , Wei Hao , E. S. Swanson , Lei Chang

Suppression of open heavy quarks and quarkonia in heavy-ion collisions are among the most informative probes of quark-gluon plasma (QGP). Interpreting the full wealth of data obtained from the collision events requires a precise theoretical…

High Energy Physics - Phenomenology · Physics 2025-05-01 Bruno Scheihing-Hitschfeld , Xiaojun Yao

Heavy-flavor particles are believed to provide valuable probes of the medium produced in ultrarelativistic collisions of heavy nuclei. In this article we review recent progress in our understanding of the interactions of charm and bottom…

High Energy Physics - Phenomenology · Physics 2016-12-21 Ralf Rapp , Hendrik van Hees

The $q\bar q$ spectrum is studied in a generalized constituent quark model constrained in the study of the $NN$ phenomenology and the baryon spectrum. An overall good fit to the available experimental data is obtained. A detailed analysis…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Vijande , F. Fernandez , A. Valcarce

The possibility for a common effective field theory for hadronic molecules with different heavy-quark flavours is examined critically. It is argued that such a theory does not allow one to draw definite conclusions for doubly heavy…

High Energy Physics - Phenomenology · Physics 2019-01-23 V. Baru , E. Epelbaum , J. Gegelia , C. Hanhart , U. -G. Meißner , A. V. Nefediev

In this paper, we investigate the $R^2$ corrections to the dissociation of heavy quarkonium in the Gauss-Bonnet gravitational background. We analyze the impact of Gauss-Bonnet parameter $\lambda_{GB}$ on the spectral function of charmonium…

High Energy Physics - Phenomenology · Physics 2025-01-28 Zhou-Run Zhu , Manman Sun , Rui Zhou , Jinzhong Han

The spectroscopic properties of heavy quarkonia are substantially different in the quark-gluon plasma (QGP) that is created in relativistic heavy-ion collisions as compared to the vacuum situation that can be tested in pp collisions at the…

High Energy Physics - Phenomenology · Physics 2020-11-03 Georg Wolschin

Heavy quark spin symmetry is discussed in the context of single and doubly heavy baryons. A special attention is paid to the constraints/simplifications that this symmetry imposes on the non-relativistic constituent quark model wave…

High Energy Physics - Phenomenology · Physics 2011-05-18 C. Albertus , J. E. Amaro , E. Hernandez , J. Nieves

An effective, low-energy, field theory of s-wave quarkonia, constituent heavy quarks, and gluons is constructed which is manifestly gauge invariant. The interaction Lagrangian has the form of a twist expansion, as typically encountered in…

High Energy Physics - Phenomenology · Physics 2016-09-01 Rafia Ali , Pervez Hoodbhoy

Although the spectra of heavy quarkonium systems have been successfully explained by certain QCD motivated potential models, their strong decays are still an open problem. We perform a microscopic calculation of vector charmonium strong…

High Energy Physics - Phenomenology · Physics 2015-06-12 J. Segovia , D. R. Entem , F. Fernandez

This report discusses some recent investigations of the heavy hadron spectra using lattice QCD. The first half addresses multiple precision determinations of the masses of charm (and bottom) baryons. Recent lattice results in the tetraquark…

High Energy Physics - Lattice · Physics 2021-09-13 M. Padmanath

Preliminary results for the spectra of excited and exotic bottom mesons are presented. The calculation on a dynamical anisotropic ensemble exploits distillation, enabling the use of a large basis of interpolating operators including those…

High Energy Physics - Lattice · Physics 2020-01-10 Sinéad M. Ryan

A mixing of near-threshold quarkonium-like resonances with heavy meson-antimeson pairs results in an enhancement of heavy quark spin symmetry breaking, since the meson pairs are not eigenstates of the heavy quark spin. The decomposition of…

High Energy Physics - Phenomenology · Physics 2013-05-30 M. B. Voloshin

We study vacuum masses of charmonia and the charm-quark diffusion coefficient in the quark-gluon plasma based on the spectral representation for meson correlators. To calculate the correlators, we solve the quark gap equation and the…

Nuclear Theory · Physics 2014-08-29 Si-xue Qin , Dirk H. Rischke

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

This paper reviews the experimental status of the Heavy Quarkonium Spectroscopy and highlights the measurements that hint at the existence of a new form of quark and gluon aggregation beyond the mesons and the baryons.

High Energy Physics - Experiment · Physics 2008-01-18 Riccardo Faccini