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Abstract: Modified Altarelli-Parisi splitting functions were recenty proposed to modelmulti-parton radiation in a dense medium and describe jet quenching, one ofmost striking features of heavy-ion collisions. We implement medium-modifiedsplitting functions in the HERWIG parton shower algorithm, which satisfies theangular ordering prescription, and present a few parton-level results, such astransverse momentum, angle and energy-fraction distributions, which exhibitremarkable medium-induced effects. We also comment on the comparison withrespect to the results yielded by other implementations of medium-modifiedsplitting functions in the framework of virtuality-ordered parton cascades.



Autor: Nestor Armesto, Gennaro Corcella, Leticia Cunqueiro, Carlos A. Salgado

Fuente: https://arxiv.org/







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