About: Kaon femtoscopy in root s(NN)=200 GeV central Au plus Au collsions at STAR

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About: Kaon femtoscopy in root s(NN)=200 GeV central Au plus Au collsions at STAR Goto Sponge NotDistinct Permalink

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
Description	Three-dimensional analyses of the pion source revealed a heavy, non-Gaussian tail in the direction of the pair transverse momentum. The interpretation of these pion sources in terms of pure hydrodynamical evolution is, however, complicated by the strong contribution of feed-down from long-lived resonances to the source. On the other hand, kaons provide a much cleaner probe of the expanding fireball. Here we present a recent three-dimensional kaon correlation analysis using Cartesian harmonics decomposition technique. In contrary to pions, the three-dimensional source function of kaons is largely Gaussian. Comparison with thermal simulations and a hydrokinetic model show that resonance decays, as well as non-zero emission duration and/or rescattering in the hadronic phase play an important role. The analysis of the three dimensional extent of the kaon source w.r.t. the pair transverse momentum favors the hydrokinetic model over the exact m(T)-scaling featured by perfect hydrodynamical models. Three-dimensional analyses of the pion source revealed a heavy, non-Gaussian tail in the direction of the pair transverse momentum. The interpretation of these pion sources in terms of pure hydrodynamical evolution is, however, complicated by the strong contribution of feed-down from long-lived resonances to the source. On the other hand, kaons provide a much cleaner probe of the expanding fireball. Here we present a recent three-dimensional kaon correlation analysis using Cartesian harmonics decomposition technique. In contrary to pions, the three-dimensional source function of kaons is largely Gaussian. Comparison with thermal simulations and a hydrokinetic model show that resonance decays, as well as non-zero emission duration and/or rescattering in the hadronic phase play an important role. The analysis of the three dimensional extent of the kaon source w.r.t. the pair transverse momentum favors the hydrokinetic model over the exact m(T)-scaling featured by perfect hydrodynamical models. (en)
Title	Kaon femtoscopy in root s(NN)=200 GeV central Au plus Au collsions at STAR Kaon femtoscopy in root s(NN)=200 GeV central Au plus Au collsions at STAR (en)
skos:prefLabel	Kaon femtoscopy in root s(NN)=200 GeV central Au plus Au collsions at STAR Kaon femtoscopy in root s(NN)=200 GeV central Au plus Au collsions at STAR (en)
skos:notation	RIV/61389005:_____/14:00429960!RIV15-AV0-61389005
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(LA09013)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Vértesi, Robert
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav jaderné fyziky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	23944
http://linked.open...ai/riv/idVysledku	RIV/61389005:_____/14:00429960
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	STAR; heavy ion collisions; kaon source (en)
http://linked.open.../riv/klicoveSlovo	kaon source STAR heavy ion collisions
http://linked.open...ontrolniKodProRIV	[36D990DC1D1E]
http://linked.open...v/mistoKonaniAkce	Birmingham
http://linked.open...i/riv/mistoVydani	Bristol
http://linked.open...i/riv/nazevZdroje	Journal of Physics Conference Series
http://linked.open...in/vavai/riv/obor	BG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Participation of the Czech Republic in the STAR experiment at Brookhaven National Laboratory, U.S.A.
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Vértési, Robert
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000337194300042
http://linked.open.../riv/zahajeniAkce	2013-07-22 (xsd:date)
issn	1742-6588
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/1742-6596/509/1/012042
http://purl.org/ne...btex#hasPublisher	IOP Publishing Ltd

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