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Study of the production of mesons composed of heavy quarks in collisions between relativistic heavy-ions using the non-extensive statistics

Grant number: 22/00856-1
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Start date: March 01, 2022
End date: December 31, 2022
Field of knowledge:Physical Sciences and Mathematics - Physics - Nuclear Physics
Principal Investigator:Marcelo Gameiro Munhoz
Grantee:Pedro Mariano Marques Mendes
Host Institution: Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

This project aims at the application of non-extensive statistics, more specifically that proposed by C. Tsallis, in the study of the transverse momentum distribution of mesons composed of heavy quarks (charm and beauty) produced in collisions between heavy ions at relativistic energies. Non-extensive statistics have been very successful in describing transverse momentum spectra of particles produced in hadronic collisions at high energies, whose interpretation of the non-extensive parameter q has been widely discussed. The success of this description has demonstrated precisely the degree of equilibrium reached in these collisions, an important condition for a broad understanding of their dynamics. This question is particularly important for heavy quarks in collisions between heavy ions, given their unique character in investigating the medium formed in these collisions. This work is part of a broader program of the group, which seeks to study the interaction of heavy quarks with the medium formed in these collisions. The identification of a possible thermodynamic equilibrium of these quarks in the medium, can reveal important properties of such medium.(AU)

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