Non-extensive statistics in Au-Au collisions

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URI: https://hdl.handle.net/10481/94336
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Autor
O. Costa, Juliana; Aguiar, Isabelle; L. Barauna, Jadna; Megías Fernández, Eugenio; Deppman, Airton; N. da Silva, Tiago; P. Menezes, Débora
Editorial
Elsevier
Materia
Heavy ion collisions
 
Au-Au collision
 
Non-extensive statistics
 
Fecha
2024-05-21
Referencia bibliográfica
J.O. Costa. et. al. 854 (2024) 138727. [https://doi.org/10.1016/j.physletb.2024.138727]
Patrocinador
project INCT-FNA Proc. No. 464898/2014- 5. D.P.M. was partially supported by Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq/Brazil) under grant 303490- 2021-7; CNPq grant number 409029/2021-1; Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq/Brazil) under grant 130432/2022-9; Coordenação de Aperfeiçoamento de Pessoal do Ensino Superior (Capes/Brazil) under grant 88887.672235/2022- 00; Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq/Brazil) under grant 130810/2024-0; project PID2020-114767GB-I00; Ramón y Cajal Program under Grant RYC-2016-20678; “FSE Investing in your future”, by the FEDER/Junta de Andalucía- Consejería de Economía y Conocimiento 2014-2020 Operational Programme under Grant A-FQM-178-UGR18, by Junta de Andalucía under Grant FQM-225, and by the “Prórrogas de Contratos Ramón y Cajal” Program of the University of Granada; Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq-Brazil), grant 306093/2022-7
Resumen
Particle production yields measured in central Au-Au collision at RHIC are obtained with free Fermi and Bose gases and also with a replacement of these statistics by non-extensive statistics. For the latter calculation, a set of different parameters was used with values of the Tsallis parameter q chosen between 1.01 and 1.25, with 1.16 generating the best agreement with experimental data, an indication that non-extensive statistics may be one of the underlying features in heavy ion-collisions.
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