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29 March 2024
 
  » pubmed » pmid11801006

 Article overview


Energy dependence of particle multiplicities in central Au+Au collisions
B B Back ; M D Baker ; D S Barton ; R R Betts ; R Bindel ; A Budzanowski ; W Busza ; A Carroll ; J Corbo ; M P Decowski ; E Garcia ; N George ; K Gulbrandsen ; S Gushue ; C Halliwell ; J Hamblen ; C Henderson ; D Hicks ; D Hofman ; R S Hollis ; R Ho?y?ski ; B Holzman ; A Iordanova ; E Johnson ; J Kane ; J Katzy ; N Khan ; W Kucewicz ; P Kulinich ; C M Kuo ; W T Lin ; S Manly ; D McLeod ; J Micha?owski ; A Mignerey ; J Mülmenstädt ; R Nouicer ; A Olszewski ; R Pak ; I C Park ; H Pernegger ; M Rafelski ; M Rbeiz ; C Reed ; L P Remsberg ; M Reuter ; C Rol ; G Rol ; L Rosenberg ; J Sagerer ; P Sarin ; P Sawicki ; W Skulski ; S G Steadman ; P Steinberg ; G S F Stephans ; M Stodulski ; A Sukhanov ; J-L Tang ; R Teng ; A Trzupek ; C Vale ; G J van Nieuwenhuizen ; R Verdier ; B Wadsworth ; F L H Wolfs ; B Wosiek ; K Wo?niak ; A H Wuosmaa ; B Wys?ouch ; ;
Date 14 Jan 2002
Journal Phys Rev Lett, 88 (2), 022302
AbstractWe present the first measurement of the pseudorapidity density of primary charged particles in Au+Au collisions at root square[s(NN)] = 200 GeV. For the 6% most central collisions, we obtain dN(ch)/d(eta)/(/eta/<1) = 650+/-35(syst). Compared to collisions at root square[s(NN)] = 130 GeV, the highest energy studied previously, an increase by a factor of 1.14+/-0.05 at 90% confidence level, is found. The energy dependence of the pseudorapidity density is discussed in comparison with data from proton-induced collisions and theoretical predictions.
Source PubMed, pmid11801006
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