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Azimuthal anisotropy of pi(0) production in Au plus Au collisions at root s(NN)=200 GeV: Path-length dependence of jet quenching and the role of initial geometry

SYSNO ASEP	0356725
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Azimuthal anisotropy of pi(0) production in Au plus Au collisions at root s(NN)=200 GeV: Path-length dependence of jet quenching and the role of initial geometry
Author(s)	Adare, A. (US) Afanasiev, S. (RU) Aidala, C. (US) Mašek, L. (CZ) Mikeš, P. (CZ) Růžička, Pavel (FZU-D) Tomášek, Lukáš (FZU-D)_{RID, ORCID} Vrba, Václav (FZU-D)_{RID, ORCID}
Source Title	Physical Review Letters. - : American Physical Society - ISSN 0031-9007 Roč. 105, č. 14 (2010), 142301/1-142301/7
Number of pages	7 s.
Language	eng - English
Country	US - United States
Keywords	PHENIX ; azimuthal anisotropy
Subject RIV	BF - Elementary Particles and High Energy Physics
R&D Projects	LA08015 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
CEZ	AV0Z10100502 - FZU-D (2005-2011)
UT WOS	000282175300004
DOI	10.1103/PhysRevLett.105.142301
Annotation	We have measured the azimuthal anisotropy of Pi0 production for 1 < pT < 18 GeV/c for Au+Au collisions at psNN = 200 GeV. The observed anisotropy shows a gradual decrease for 3 less than or similar to p(T) less than or similar to 7-10 GeV/c, but remains positive beyond 10 GeV/c. The magnitude of this anisotropy is underpredicted, up to at least similar to 10 GeV/c, by current perturbative QCD (PQCD) energy-loss model calculations.
Workplace	Institute of Physics
Contact	Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
Year of Publishing	2011

Number of the records: 1