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We present a new model for the description of heavy-flavor hadronization in relativistic heavy-ion collisions. We explore its effect on the charmed hadron yields and kinematic distributions once the latter is applied at the end of transport…

High Energy Physics - Phenomenology · Physics 2023-03-22 Andrea Beraudo , Arturo De Pace , Daniel Pablos Alfonso , Francesco Prino , Marco Monteno , Marzia Nardi

We discuss the three-baryon interaction generated by the determinant interaction of quarks, known as the Kobayashi-Maskawa-'t Hooft (KMT) interaction. The expectation value of the KMT interaction operator is calculated in…

Nuclear Theory · Physics 2016-10-21 Akira Ohnishi , Kouji Kashiwa , Kenji Morita

We study the performance of some recent potential models suggested as effective interactions between constituent quarks. In particular, we address constituent quark models for baryons with hybrid Q-Q interactions stemming from one-gluon…

Nuclear Theory · Physics 2016-09-08 L. Ya. Glozman , Z. Papp , W. Plessas , K. Varga , R. F. Wagenbrun

Using the resonating group method (RGM), we dynamically study the baryon-meson interactions in chiral quark model. Some interesting results are obtained: (1) The Sigma K state has an attractive interaction, which consequently results in a…

Nuclear Theory · Physics 2017-08-23 F. Huang , Z. Y. Zhang , Y. W. Yu

We investigate the meson, baryon and anti-baryon productions in \pi p and Kp collisions in terms of a constituent cascade model which includes charm flavour. The constituent diquark in an incident baryon has a tendency to get a large…

High Energy Physics - Phenomenology · Physics 2011-09-13 T. Tashiro , H. Noda , S. Nakariki , K. Ishii , K. Kinoshita

A Dyson-Schwinger-based model of pomeron exchange is employed to calculate diffractive rho-, phi- and J/psi-meson electroproduction cross sections. It is shown that the magnitude of the current-quark mass m_f of the quark and antiquark…

Nuclear Theory · Physics 2007-05-23 M. A. Pichowsky

We briefly discuss four different possible types of transitions from quark to hadronic matter and their characteristic signatures in terms of correlations. We also highlight the effects arising from mass modification of hadrons in hot and…

Nuclear Theory · Physics 2011-08-04 T. Csorgo , Sandra S. Padula

The nonlinear chiral extension of colour dielectric model has been used in the present work to study the properties of quark stars. Assuming that the square of meson fields develop nonzero expectation value, the thermodynamic potential for…

Astrophysics · Physics 2015-06-24 Sanjay K. Ghosh , Pradip K. Sahu

We perform a study of the possible existence of hybrid stars with color superconducting quark cores using a specific hadronic model in a combination with an NJL-type quark model. It is shown that the constituent mass of the non-strange…

Nuclear Theory · Physics 2009-11-10 M. Buballa , F. Neumann , M. Oertel , I. Shovkovy

We study the hadron-quark phase transition with the finite size effects at finite temperature. For the hadron phase, we adopt a realistic equation of state in the framework of the Brueckner-Hartree-Fock theory including hyperons. The…

Nuclear Theory · Physics 2009-12-30 Nobutoshi Yasutake , Toshiki Maruyama , Toshitaka Tatsumi

We analyze the effect of color superconductivity in the transition from hot hadron matter to quark matter in the presence of a gas of trapped electron neutrinos. To describe strongly interacting matter we adopt a two-phase picture in which…

High Energy Astrophysical Phenomena · Physics 2014-02-24 Taiza A. S. do Carmo , Germán Lugones

Identifying a zero-range exchange of vector mesons as the driving force for the s-wave scattering of pseudo-scalar mesons off the baryon ground states, a rich spectrum of molecules is formed. We argue that chiral symmetry and large-$N_c$…

Nuclear Theory · Physics 2007-05-23 Julian Hofmann , Matthias F. M. Lutz

The effect of color breaking on colored quarks' chiral condensates has been investigated at zero temperature and moderate baryon density. It is found that the influence of the diquark condensate on different colored quarks is very small.

High Energy Physics - Phenomenology · Physics 2017-08-23 Mei Huang , Pengfei Zhuang , Weiqin Chao

Through a quantitative comparative study of the properties of deuteron and nucleon-nucleon interaction with chiral quark model and quark delocalization color screening model. We show that the $\sigma$-meson exchange used in the chiral quark…

Nuclear Theory · Physics 2008-11-26 Lingzhi Chen , Hourong Pang , Hongxia Huang , Jialun Ping , Fan Wang

We propose a symmetry breaking scheme for QCD with three massless quarks at high baryon density wherein the color and flavor SU(3)_{color}xSU(3)_{L}xSU(3)_{R} symmetries are broken down to the diagonal subgroup SU(3)_{color+L+R} by the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Krishna Rajagopal

We propose a symmetry breaking scheme for QCD with three massless quarks at high baryon density wherein the color and flavor SU(3)_color times SU(3)_L times SU(3)_R symmetries are broken down to the diagonal subgroup SU(3)_{color+L+R} by…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. Alford , K. Rajagopal , F. Wilczek

The interaction of spatially extended heavy hadrons is investigated in the framework of lattice QCD with dynamical quarks. In addition to the baryon-baryon potential results for the baryon-antibaryon and for the meson-meson system are…

High Energy Physics - Lattice · Physics 2007-05-23 H. Markum , K. Rabitsch , W. Sakuler

Effective interaction models of quantum chromodynamics, based on quark degrees of freedom, have been successfully employed to compute the properties of a large array of ground and excited meson and baryon states, along with their…

High Energy Physics - Phenomenology · Physics 2026-01-12 Fábio L. Braghin , Bruno El-Bennich , Fernando E. Serna

The possible candidates of $S-$wave dibaryons with various strange numbers are studied under the chiral SU(3) quark model. It is shown that there are three types of baryon-baryon bound states. The states of the first type are called…

Nuclear Theory · Physics 2011-07-19 Q. B. Li , P. N. Shen , Z. Y. Zhang , Y. W. Yu

We study the $N \bar D$ system by means of a chiral constituent quark model. This model, tuned in the description of the baryon and meson spectra as well as the $NN$ interaction, provides parameter-free predictions for the charm -1…

High Energy Physics - Phenomenology · Physics 2012-05-21 T. F. Carames , A. Valcarce
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