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Self-similarity of pion production in AA collisions at RHIC
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SYSNO ASEP 0369177 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Self-similarity of pion production in AA collisions at RHIC Author(s) Tokarev, M. V. (RU)
Zborovský, Imrich (UJF-V) RID, ORCID, SAISource Title Physics of Particles and Nuclei Letters. - : Pleiades Publishing - ISSN 1547-4771
Roč. 7, č. 3 (2010), s. 171-184Number of pages 14 s. Language eng - English Country RU - Russian Federation Keywords heavy-ion collisions ; RHIC Subject RIV BE - Theoretical Physics CEZ AV0Z10480505 - UJF-V (2005-2011) DOI 10.1134/S1547477110030039 Annotation Experimental data on inclusive spectra of pions produced in heavy-ion collisions at RHIC are analyzed in the framework of z-scaling. The data indicate similarity as a characteristic feature of the mechanism of pion production at high energies. It is argued that this property includes structure of the colliding objects, interaction of their constituents, and character of the fragmentation process. A microscopic scenario of nucleus interactions at a constituent level in terms of momentum fractions is developed. The centrality dependence of the shape of the scaling function Ψ( z) and the fractal dimention ɛ AA of the fragmentation process is studied. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2013
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