About: Observation of Direct-Photon Collective Flow in Au+Au Collisions at root sNN=200 GeV

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About: Observation of Direct-Photon Collective Flow in Au+Au Collisions at root sNN=200 GeV 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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://link.aps.org/doi/10.1103/PhysRevLett.109.122302
Description	The second Fourier component v2 of the azimuthal anisotropy with respect to the reaction plane is measured for direct photons at midrapidity and transverse momentum (pT) of 1-12 GeV/c in Au+Au collisions at root sNN=200 GeV. Previous measurements of this quantity for hadrons with pT<6 GeV/c indicate that the medium behaves like a nearly perfect fluid, while for pT>6 GeV/c a reduced anisotropy is interpreted in terms of a path-length dependence for parton energy loss. In this measurement with the PHENIX detector at the Relativistic Heavy Ion Collider we find that for pT>4 GeV/c the anisotropy for direct photons is consistent with zero, which is as expected if the dominant source of direct photons is initial hard scattering. The second Fourier component v2 of the azimuthal anisotropy with respect to the reaction plane is measured for direct photons at midrapidity and transverse momentum (pT) of 1-12 GeV/c in Au+Au collisions at root sNN=200 GeV. Previous measurements of this quantity for hadrons with pT<6 GeV/c indicate that the medium behaves like a nearly perfect fluid, while for pT>6 GeV/c a reduced anisotropy is interpreted in terms of a path-length dependence for parton energy loss. In this measurement with the PHENIX detector at the Relativistic Heavy Ion Collider we find that for pT>4 GeV/c the anisotropy for direct photons is consistent with zero, which is as expected if the dominant source of direct photons is initial hard scattering. (en)
Title	Observation of Direct-Photon Collective Flow in Au+Au Collisions at root sNN=200 GeV Observation of Direct-Photon Collective Flow in Au+Au Collisions at root sNN=200 GeV (en)
skos:prefLabel	Observation of Direct-Photon Collective Flow in Au+Au Collisions at root sNN=200 GeV Observation of Direct-Photon Collective Flow in Au+Au Collisions at root sNN=200 GeV (en)
skos:notation	RIV/68407700:21340/12:00196399!RIV13-MSM-21340___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(LA08015)
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Virius, Miroslav Liška, Tomáš
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
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	155527
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/12:00196399
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	photon: direct production; jet: fragmentation; angular distribution: anisotropy; path length: dependence; photon: thermal; PHENIX (en)
http://linked.open.../riv/klicoveSlovo	PHENIX photon: direct production angular distribution: anisotropy jet: fragmentation path length: dependence photon: thermal
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[F1BA61925979]
http://linked.open...i/riv/nazevZdroje	Physical Review Letters
http://linked.open...in/vavai/riv/obor	BF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	385 (xsd:int)
http://linked.open...vavai/riv/projekt	Collaboration of the Czech Republic with CERN
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	109
http://linked.open...iv/tvurceVysledku	Adare, A. Liška, Tomáš Virius, Miroslav Vrba, Václav Král, A.
http://linked.open...ain/vavai/riv/wos	000308878500006
issn	0031-9007
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevLett.109.122302
http://localhost/t...ganizacniJednotka	21340

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