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A 'soft + hard' model for heavy-ion collisions | K. Urmossy
; G. G. Barnaföldi
; Sz. Harangozó
; T. S. Biró
; Z. Xu
; | Date: |
10 Jan 2015 | Abstract: | We describe the spectra of neutral pions stemming from AuAu collisions at
$sqrt s$ = 200 AGeV in a ’soft + hard’ model. The model is based on the
assumptions that hadrons stemming from hard processes are described via
perturbative quantum chromodynamics improved parton model calculations, while
those stemming from the Quark-Gluon Plasma (we refer to as soft yields) can be
described in a super-statistical model induced by multiplicity fluctuations.
The obtained dependence of the parameters of the model on the event centrality
is compared to what is observed in PbPb collisions at $sqrt s$ = 2.76 ATeV. | Source: | arXiv, 1501.2352 | Services: | Forum | Review | PDF | Favorites |
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