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EUROPEAN PHYSICAL JOURNAL PLUS
Volume 138, Issue 4, Pages -Publisher
SPRINGER HEIDELBERG
DOI: 10.1140/epjp/s13360-023-03976-5
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This study reports the analysis of fitting the experimental p(T) spectra of heavy flavour hadrons, including D-0, D-s(+), and Lambda(+)(c) hadrons, using the thermodynamically consistent Tsallis distribution function. The fitting is based on data from the ALICE experiment at LHC. The results show that Tsallis fits with fixed mu=0 have better quality than those with fitted mu value. The extracted q values for different hadrons are found to be compatible with previous results for light hadrons in high-energy proton-proton collisions. The effective Tsallis temperature for heavy flavor hadrons increases with multiplicity in proton-proton collisions at root s = 13 TeV.
We report the analysis by performing the fitting on the experimental p(T) spectra of heavy flavour hadrons, including prompt D-0, D-s(+), and Lambda(+)(c) hadrons, in proton-proton collisions at root s = 13 TeV at midrapidity (|y| < 0.5), using the thermodynamically consistent Tsallis distribution function. The data for the fitting is taken from the ALICE experiment at LHC. The quality of the Tsallis fits with fixed mu=0 chemical potential has proved to be significantly better than those with fitted mu value. The extracted nonextensivity parameter q values for D-0 and D-s(+) mesons proved to be compatible with those obtained earlier for the charged pions and kaons in high-energy proton-proton collisions. The extracted q values for Lambda(+)(c) baryons are found to be compatible with those obtained earlier for the protons and antiprotons in high-energy proton-proton collisions. We have confirmed the relation q(mesons) > q(bar yons) for heavy flavor hadrons, obtained for light hadrons in high-energy pp collisions. The effective Tsallis temperature for the heavy flavor hadrons increases with multiplicity in proton-proton collisions at root s = 13 TeV.
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