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Article

Pressure Distribution Inside Nucleons in a Tsallis-MIT Bag Model

by
Manuel A. Matías Astorga
and
Gerardo Herrera Corral
*
Physics Department, Centre for Research and Advanced Studies, CINVESTAV, P.O. Box 14 740, Mexico City 07360, Mexico
*
Author to whom correspondence should be addressed.
Entropy 2024, 26(3), 183; https://doi.org/10.3390/e26030183
Submission received: 10 December 2023 / Revised: 17 January 2024 / Accepted: 25 January 2024 / Published: 22 February 2024
(This article belongs to the Section Statistical Physics)

Abstract

We present a phenomenological framework based on the MIT bag model to estimate the pressure experienced by quarks and gluons inside nucleons. This is accomplished by implementing non-extensive Tsallis statistics for the two-component system. In this model of hadrons, the strong interaction generates correlations effectively described by the q-Tsallis parameter. The resulting hadron pressure exhibits general agreement with recent calculations derived from Lattice QCD. Additionally, we compared this pressure with data extracted from deep virtual Compton scattering experiments and gravitational form factor analyses. The extended bag model provides an alternative interpretation of bag pressure in terms of the q-Tsallis parameter. Consequently, the MIT bag model can be expressed without requiring the inclusion of the bag pressure parameter.
Keywords: hadrons; bag models; non-extensive statistics; Tsallis; QCD hadrons; bag models; non-extensive statistics; Tsallis; QCD

Share and Cite

MDPI and ACS Style

Matías Astorga, M.A.; Herrera Corral, G. Pressure Distribution Inside Nucleons in a Tsallis-MIT Bag Model. Entropy 2024, 26, 183. https://doi.org/10.3390/e26030183

AMA Style

Matías Astorga MA, Herrera Corral G. Pressure Distribution Inside Nucleons in a Tsallis-MIT Bag Model. Entropy. 2024; 26(3):183. https://doi.org/10.3390/e26030183

Chicago/Turabian Style

Matías Astorga, Manuel A., and Gerardo Herrera Corral. 2024. "Pressure Distribution Inside Nucleons in a Tsallis-MIT Bag Model" Entropy 26, no. 3: 183. https://doi.org/10.3390/e26030183

APA Style

Matías Astorga, M. A., & Herrera Corral, G. (2024). Pressure Distribution Inside Nucleons in a Tsallis-MIT Bag Model. Entropy, 26(3), 183. https://doi.org/10.3390/e26030183

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