Andrzej Olszewski et al 2002 J. Phys. G: Nucl. Part. Phys. 28 1801 doi:10.1088/0954-3899/28/7/334
Andrzej Olszewski2,5 (for the PHOBOS Collaboration):, B B Back1, M D Baker2, D S Barton2, R R Betts1,3, R Bindel4, A Budzanowski5, W Busza6, A Carroll2, J Corbo2, M P Decowski6, E Garcia4, N George1, K Gulbrandsen6, S Gushue2, C Halliwell3, J Hamblen7, C Henderson6, D Hicks2, D J Hofman3, B Holzman3, R S Hollis3, R Hołyński5, A Iordanova3, E Johnson7, J L Kane6, J Katzy6, N Khan7, W Kucewicz3, P Kulinich6, C M Kuo8, W T Lin8, S Manly7, D McLeod3, J Michałowski5, A C Mignerey4, J Mülmenstädt6, R Nouicer3, A Olszewski2,5, R Pak2, I C Park7, H Pernegger6, M Rafelski2, M Rbeiz6, C Reed6, L P Remsberg2, M Reuter3, C Roland6, G Roland6, L Rosenberg6, J Sagerer3, P Sarin6, P Sawicki5, W Skulski7, S G Steadman6, P Steinberg2, G S F Stephans6, M Stodulski5, A Sukhanov2, J L Tang8, R Teng7, A Trzupek5, C Vale6, G J van Nieuwenhuizen6, R Verdier6, B Wadsworth6, F L H Wolfs7, B Wosiek5, K Woźniak2,5, A H Wuosmaa1, B Wysłouch6
Show affiliationsAn overview of results for interactions of Au+Au ions at centre-of-mass energies of √sNN = 56, 130 and 200 GeV obtained by the PHOBOS collaboration at RHIC is given. Measurements of primary charged particle density near mid-rapidity indicate that particle production grows logarithmically with collision energy and faster than linearly with the number of interacting nucleons. Elliptic flow is found to be much stronger at RHIC than at SPS energy. The effect is strongest in peripheral events and decreases for more central collisions and emission angles |η| > 1. The measured anti-particle to particle ratios of production rates for pions, kaons and protons in central Au+Au interactions at √sNN = 130 GeV are compatible with the statistical model of particle production, showing an increasingly baryon-free region in mid-rapidity with the increase of collision energy.
25.75.Dw Particle and resonance production
27.80.+w 190(less-than-or-equal-to)A(less-than-or-equal-to)219
24.60.-k Statistical theory and fluctuations
25.75.Nq Quark deconfinement, quark–gluon plasma production, and phase transitions
Issue 7 (July 2002)
Received 23 January 2002, in final form 4 March 2002
Published 12 June 2002
Andrzej Olszewski et al 2002 J. Phys. G: Nucl. Part. Phys. 28 1801
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