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Related papers: Interactions of the $\chi_{c1}(4274)$ state with l…

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In this work we study the interactions of the multiquark state $Z_{cs} (3985)^-$ with light mesons in a hot hadron gas. Using an Effective Lagrangian framework, we estimate the vacuum cross sections as well as the thermal cross sections of…

High Energy Physics - Phenomenology · Physics 2022-10-20 L. M. Abreu , F. S. Navarra , H. P. L. Vieira

In a previous work we computed the thermally-averaged cross sections for the production and absorption of the $\chi_{c1}(4274)$ state in the hot hadron gas formed in heavy ion collisions. In the present work we estimate the final yield of…

High Energy Physics - Phenomenology · Physics 2023-10-09 L. M. Abreu , A. L. M. Britto , F. S. Navarra , H. P. L. Vieira

The particle production in photon-photon ($\gamma \gamma$) interactions present in electron-ion collisions is investigated. We present calculations for the total cross sections and event rates related to the production of light mesons…

High Energy Physics - Phenomenology · Physics 2024-09-04 Carlos A. Bertulani , Reinaldo Francener , Victor P. Goncalves , Juciene T. de Souza

We study the production of heavy multiquark states in the heavy ion collisions performed at the LHC. We assume that they are produced at the end of the quark-gluon plasma phase and then interact with light hadrons during the hadron gas…

High Energy Physics - Phenomenology · Physics 2022-09-09 L. M. Abreu , F. S. Navarra , M. Nielsen , H. P. L. Vieira

We calculate the absorbtion cross-sections of $B_{c}$ mesons by $\pi$ and $\rho$ mesons including anomalous processes using an effective hadronic Lagrangian. The enhancement of Bc production is expected due to QGP formation in heavy-ion…

Nuclear Theory · Physics 2019-12-25 Shaheen Irfan , Faisal Akram , Bilal Masud

The physical processes behind the production of light nuclei in heavy ion collisions are unclear. The nice theoretical description of experimental yields by thermal models conflicts with the very small binding energies of the observed…

High Energy Physics - Phenomenology · Physics 2021-03-17 Kai Gallmeister , Carsten Greiner

Collisions of heavy ions (nuclei) at ultra-relativistic energies (sqrt(s_NN) >> 10 GeV per nucleon-nucleon collision in the centre of mass system) are regarded as a unique tool to produce in the laboratory a high energy density and high…

High Energy Physics - Phenomenology · Physics 2010-12-21 A. Dainese

Electromagnetic interactions are introduced in the effective chiral Lagrangian for heavy mesons which includes light vector particles. A suitable notion of vector meson dominance is formulated. The constraints on the heavy meson -light…

High Energy Physics - Phenomenology · Physics 2014-11-17 Pankaj Jain , Arshad Momen , Joseph Schechter

In ultrarelativistic heavy ion collisions the produced high temperature, high energy density state will cross different phases of the strongly interacting matter. The original idea of quark-gluon plasma formation has been evolved and the…

Nuclear Theory · Physics 2009-11-11 P. Levai

This dissertation investigates exotic hadrons with heavy-quark content that may be understood as being generated dynamically from the hadron-hadron interaction. This interaction is derived from a suitable effective Lagrangian and properly…

High Energy Physics - Phenomenology · Physics 2022-07-25 Glòria Montaña

By using the Reggeometric Pomeron model for vector meson production which successfully describes the high energy lepton-nucleon data, we analyse the light meson production in ultra-peripheral heavy ion collisions at the Large Hadron…

High Energy Physics - Phenomenology · Physics 2023-04-05 László Jenkovszky , Érison S. Rocha , Magno V. T. Machado

We investigate the {\Upsilon} production in heavy ion collisions at LHC energy in the frame of a dynamical transport approach. Both the initial production and in-medium regeneration and both the cold and hot nuclear matter effects are…

High Energy Physics - Phenomenology · Physics 2015-06-22 Kai Zhou , Nu Xu , Pengfei Zhuang

We study the equation of state of hot and dense hadronic matter using an extended Chiral Mean Field (CMF) model framework where the addition is the inclusion of interactions of thermally excited mesons. This is implemented by calculating…

The meson production cross sections are estimated considering photon-photon interactions in hadron - hadron collisions at CERN LHC energies. We consider a large number of mesons with photon-photon partial decay width well constrained by the…

High Energy Physics - Phenomenology · Physics 2014-05-27 V. P. Goncalves , D. T. da Silva , W. K. Sauter

This article gives an overview of recent highlights from experimental measurements of heavy-ion collisions at ultra-relativistic energies: Measurements of electroweak probes constrain both the initial collision geometry and the nuclear…

Nuclear Experiment · Physics 2020-12-17 Yvonne Pachmayer

Due to coherence, there are strong electromagnetic fields of short duration in very peripheral collisions. They give rise to photon-photon and photon-nucleus collisions with high flux up to an invariant mass region hitherto unexplored…

High Energy Physics - Phenomenology · Physics 2009-09-25 G. Baur , K. Hencken , D. Trautmann , S. Sadovsky , Yu. Kharlov

We calculate electromagnetic production from highly excited hadronic matter created in heavy ion collisions. The rates include the usual lowest order processes in quark-gluon plasma plus the usual reactions in the hadronic phase, related…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. M. Hung , E. V. Shuryak

The charmonium dissociation by mesons in relativistic heavy-ion reactions is analyzed within the Regge approach. It is shown that the inclusion of the initial and final state interactions in the dissociation of J/Psi to bar{D}* D* close to…

High Energy Physics - Phenomenology · Physics 2008-11-26 Gennady I. Lykasov , Wolfgang Cassing

The shapes of invariant differential cross section for charged particle production as function of transverse momentum measured in heavy-ion collisions are analyzed. The data measured at RHIC and LHC are treated as function of energy density…

High Energy Physics - Phenomenology · Physics 2013-05-03 A. A. Bylinkin , A. A. Rostovtsev , N. S. Chernyavskaya

Meson-baryon systems with strangeness content provide a unique laboratory for investigating the strong interaction and testing theoretical models of hadron structure and dynamics. In this work, the measured correlation functions for…

Nuclear Experiment · Physics 2025-09-30 ALICE Collaboration
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