Deciphering the properties of the medium produced in heavy ion collisions at RHIC by a pQCD analysis of quenched largep⊥π0spectra | Zendy

R. Baier | Zendy; Dominique Schiff | Zendy

Open Access

Deciphering the properties of the medium produced in heavy ion collisions at RHIC by a pQCD analysis of quenched largep_⊥π⁰spectra

Author(s) -

R. Baier,

Dominique Schiff

Publication year - 2006

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2006/09/059

Subject(s) - physics , perturbative qcd , hadron , spectral line , heavy ion , quark–gluon plasma , particle physics , plasma , order (exchange) , ion , jet quenching , nuclear physics , gluon , quenching (fluorescence) , quark , quantum mechanics , finance , economics , fluorescence

We discuss the question of the relevance of perturbative QCD calculations foranalyzing the properties of the dense medium produced in heavy ion collisions.Up to now leading order perturbative estimates have been worked out andconfronted with data for quenched large $p_{\perp}$ hadron spectra. Some ofthem are giving paradoxical results, contradicting the perturbative frameworkand leading to speculations such as the formation of a strongly interactingquark-gluon plasma. Trying to bypass some drawbacks of these leading orderanalysis and without performing detailed numerical investigations, we collectevidence in favour of a consistent description of quenching and of thecharacteristics of the produced medium within the pQCD framework.Comment: 10 pages, 3 figure

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