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NEW PROPERTIES OF z-SCALING: FLAVOR INDEPENDENCE AND SATURATION AT LOW z
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SYSNO ASEP 0329637 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title NEW PROPERTIES OF z-SCALING: FLAVOR INDEPENDENCE AND SATURATION AT LOW z Title Nové vlastnosti z-škálování: nezávislost na vůni a saturace při nízkých z Author(s) Zborovský, Imrich (UJF-V) RID, ORCID, SAI Source Title International Journal of Modern Physics. A - ISSN 0217-751X
Roč. 24, č. 7 (2009), s. 1417-1442Number of pages 26 s. Language eng - English Country SG - Singapore Keywords Proton-(anti)proton interactions ; high energy ; spectra Subject RIV BE - Theoretical Physics R&D Projects GA202/07/0079 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10480505 - UJF-V (2005-2011) UT WOS 000264555700006 Annotation Experimental data on inclusive cross-sections of particles produced in high energy proton -(anti)proton collisions at ISR, RHIC and Tevatron are analyzed in the framework of z-scaling. New features of the scaling function. psi(z) are established. These are flavor independence of.(z) including particles with heavy flavor content and saturation at low z. The flavor independence means that the shape of the scaling function.(z) is the same for different hadron species. The saturation corresponds to flattening of.(z) for z < 0.1. Relations of model parameters used in data z-presentation with some thermodynamical quantities (entropy, specific heat, temperature) are discussed. It is shown that behavior of the particle spectra at low z is controlled by a parameter c interpreted as a specific heat of the created medium associated with production of the inclusive particle. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2010
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