Centrality dependence of the charged particle multiplicity near midrapidity in Au+Au collisions at √sNN=130 and 200

B. B. Back, M. Ballintijn, M. D. Baker, D. S. Barton, R. R. Betts, A. Bickley, 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, G. Heintzelman, C. HendersonD. Hicks, D. Hofman, R. S. Hollis, R. Hołyński, 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. Michałowski, 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. Roland, G. Roland, 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. Woźniak, A. H. Wuosmaa, B. Wysłouch

研究成果: 雜誌貢獻期刊論文同行評審

177 引文 斯高帕斯(Scopus)

摘要

The PHOBOS experiment has measured the charged particle multiplicity at midrapidity in [Formula Presented] collisions at [Formula Presented] as a function of the collision centrality. Results on [Formula Presented] divided by the number of participating nucleon pairs [Formula Presented] are presented as a function of [Formula Presented] As was found from similar data at [Formula Presented] the data can be equally well described by parton saturation models and two-component fits, which include contributions that scale as [Formula Presented] and the number of binary collisions [Formula Presented] We compare the data at the two energies by means of the ratio [Formula Presented] of the charged particle multiplicity for the two different energies as a function of [Formula Presented] For events with [Formula Presented] we find that this ratio is consistent with a constant value of [Formula Presented].

原文???core.languages.en_GB???
文章編號061901
頁(從 - 到)4
頁數1
期刊Physical Review C - Nuclear Physics
65
發行號6
DOIs
出版狀態已出版 - 2002

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