About: High-pT hadrons from nuclear collisions: Unifying pQCD with hydrodynamics

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://arxiv.org/abs/1310.3455
Description	Hadrons inclusively produced with large pT in high-energy collisions originate from the jets, whose initial virtuality and energy are of the same order, what leads to an extremely intensive gluon radiation and dissipation of energy at the early stage of hadronization. Besides, these jets have a peculiar structure: the main fraction of the jet energy is carried by a single leading hadron, so such jets are very rare. The constraints imposed by energy conservation enforce an early color neutralization and a cease of gluon radiation. The produced colorless dipole does not dissipate energy anymore and is evolving to form the hadron wave function. The small and medium pT region is dominated by the hydrodynamic mechanisms of hadron production from the created hot medium. The abrupt transition between the hydrodynamic and perturbative QCD mechanisms causes distinct minima in the pT dependence of the suppression factor R_{AA} and of the azimuthal asymmetry v2. Combination of these mechanisms allows to describe the data through the full range of pT at different collision energies and centralities. Hadrons inclusively produced with large pT in high-energy collisions originate from the jets, whose initial virtuality and energy are of the same order, what leads to an extremely intensive gluon radiation and dissipation of energy at the early stage of hadronization. Besides, these jets have a peculiar structure: the main fraction of the jet energy is carried by a single leading hadron, so such jets are very rare. The constraints imposed by energy conservation enforce an early color neutralization and a cease of gluon radiation. The produced colorless dipole does not dissipate energy anymore and is evolving to form the hadron wave function. The small and medium pT region is dominated by the hydrodynamic mechanisms of hadron production from the created hot medium. The abrupt transition between the hydrodynamic and perturbative QCD mechanisms causes distinct minima in the pT dependence of the suppression factor R_{AA} and of the azimuthal asymmetry v2. Combination of these mechanisms allows to describe the data through the full range of pT at different collision energies and centralities. (en)
Title	High-pT hadrons from nuclear collisions: Unifying pQCD with hydrodynamics High-pT hadrons from nuclear collisions: Unifying pQCD with hydrodynamics (en)
skos:prefLabel	High-pT hadrons from nuclear collisions: Unifying pQCD with hydrodynamics High-pT hadrons from nuclear collisions: Unifying pQCD with hydrodynamics (en)
skos:notation	RIV/68407700:21340/13:00226637!RIV15-GA0-21340___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA13-20841S)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Nemčík, Ján
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta jaderná a fyzikálně inženýrská
http://linked.open...dnocenehoVysledku	77423
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/13:00226637
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	heavy ion collisions; nuclear suppression; nuclear modification factor; azimuthal asymmetry; transport coefficient; hydrodynamics (en)
http://linked.open.../riv/klicoveSlovo	hydrodynamics azimuthal asymmetry nuclear modification factor transport coefficient heavy ion collisions nuclear suppression
http://linked.open...ontrolniKodProRIV	[EBADD68FD71E]
http://linked.open...in/vavai/riv/obor	JB
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Studium jaderné hmoty v ultra-relativistických jaderných srážkách na urychlovači RHIC
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Nemčík, Ján Karpenko, Yu A Kopeliovich, B Z Potashnikova, I K Sinyukov, Yu M
http://localhost/t...ganizacniJednotka	21340

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