Event-by-event hexb pt hexb fluctuations in Au-Au collisions atsqrt(sNN) = 130 GeV
Journal Article
·
· Physical Review C
OSTI ID:860370
We present the first large-acceptance measurement of event-wise <p{sub t}> fluctuations in Au-Au collisions at {radical}s{sub NN} = 130 GeV. Significant nonstatistical fluctuations are observed. The measured fractional r.m.s. width excess of the event-wise <p{sub t}> distribution for the 15% most-central events for charged hadrons within |{eta}| < 1 and 0.15 {le} p{sub t} {le} 2 GeV/c is 13.7 {+-} 0.1(stat) {+-}1.3(syst)% relative to a statistical reference. The variation of charge-independent fluctuation excess with centrality is non-monotonic but smooth. Charge-dependent nonstatistical fluctuations are also observed.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Director. Office of Science. Office of NuclearPhysics; National Science Foundation (NSF); BMBF Germany, IN2P3 and RA and RPLand EMN France, EPSRC United Kingdom, FAPESP Brazil, Russian Ministry ofScience and Technology, Ministry of Education and NNSFC China, SFOM CzechRepublic, DAE and DST and CSIR India, Swiss National ScienceFoundation
- DOE Contract Number:
- DE-AC02-05CH11231
- OSTI ID:
- 860370
- Report Number(s):
- LBNL-55123; R&D Project: NRNC; BnR: KB0201022; TRN: US0504902
- Journal Information:
- Physical Review C, Vol. 71, Issue 6; Related Information: Journal Publication Date: 06/2005
- Country of Publication:
- United States
- Language:
- English
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