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Energy dependence of particle multiplicities in central Au+Au collisions.
Back, B B; Baker, M D; Barton, D S; Betts, R R; Bindel, R; Budzanowski, A; Busza, W; Carroll, A; Corbo, J; Decowski, M P; Garcia, E; George, N; Gulbrandsen, K; Gushue, S; Halliwell, C; Hamblen, J; Henderson, C; Hicks, D; Hofman, D; Hollis, R S; Holynski, R; Holzman, B; Iordanova, A; Johnson, E; Kane, J; Katzy, J; Khan, N; Kucewicz, W; Kulinich, P; Kuo, C M; Lin, W T; Manly, S; McLeod, D; Michalowski, J; Mignerey, A; Mülmenstädt, J; Nouicer, R; Olszewski, A; Pak, R; Park, I C; Pernegger, H; Rafelski, M; Rbeiz, M; Reed, C; Remsberg, L P; Reuter, M; Roland, C; Roland, G; Rosenberg, L; Sagerer, J.
Afiliación
  • Back BB; Physics Division, Argonne National Laboratory, Argonne, Illinois 60439-4843, USA.
Phys Rev Lett ; 88(2): 022302, 2002 Jan 14.
Article en En | MEDLINE | ID: mdl-11801006
ABSTRACT
We 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.
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Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Phys Rev Lett Año: 2002 Tipo del documento: Article País de afiliación: Estados Unidos
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Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Phys Rev Lett Año: 2002 Tipo del documento: Article País de afiliación: Estados Unidos