Dynamical Scaling Law for Jet Tomography | Zendy

Carlos A. Salgado | Zendy; Urs Achim Wiedemann | Zendy

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Dynamical Scaling Law for Jet Tomography

Author(s) -

Carlos A. Salgado,

Urs Achim Wiedemann

Publication year - 2002

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.89.092303

Subject(s) - physics , parton , scaling , collision , fragmentation (computing) , quark–gluon plasma , large hadron collider , scattering , nuclear physics , scaling law , heavy ion , gluon , statistical physics , hadron , particle physics , ion , quark , quantum mechanics , geometry , mathematics , computer security , computer science , operating system

Medium modifications of parton fragmentation provide a novel tomographic toolfor the study of the hot and dense matter created in ultrarelativisticnucleus-nucleus collisions. Their quantitative analysis, however, iscomplicated by the strong dynamical expansion of the collision region. Here, weestablish for the multiple scattering induced gluon radiation spectrum ascaling law which relates medium effects in a collision of arbitrary dynamicalexpansion to that in an equivalent static scenario. Based on this scaling, wecalculate for typical kinematical values of the RHIC and LHC heavy ion programsmedium-modified parton fragmentation functions for heavy ion collisions withrealistic dynamical expansion.Comment: 4 pages, Latex, 3 eps-figure

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