التفاصيل البيبلوغرافية
| العنوان: |
Heavy-flavor transport and hadronization in a small fireball. |
| المؤلفون: |
Beraudo, Andrea, De Pace, Arturo, Pablos, Daniel, Prino, Francesco, Monteno, Marco, Nardi, Marzia |
| المصدر: |
EPJ Web of Conferences; 6/26/2024, Vol. 296, p1-4, 4p |
| مصطلحات موضوعية: |
HADRONS, HEAVY ion collisions, CHARM quark, DIQUARKS, BARYONS |
| مستخلص: |
We study heavy-flavor hadron production in high-energy pp collisions, assuming the formation of a small, deconfined and expanding fireball where charm quarks can undergo rescattering and hadronization. We adopt the same in-medium hadronization mechanism developed for heavy-ion collisions, which involves Local Color-Neutralization (LCN) through recombination of charm quarks with nearby opposite color charges from the background fireball. Diquark excitations in the hot medium favor the formation of charmed baryons. The recombination process, involving closely aligned partons from the same fluid cell, effectively transfers the collective flow of the system to the final charmed hadrons. This framework can qualitatively reproduce the observed experimental findings in heavy-flavor particle-yield ratios, pT -spectra and ellipticflow coefficients. Our results provide new, complementary support to the idea that the collective phenomena observed in small systems have the same origin as those observed in heavy-ion collisions. [ABSTRACT FROM AUTHOR] |
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