Transverse momentum and rapidity dependence of Hanbury-Brown-Twiss correlations in Au+Au collisions at sNN= 62.4 and 200 GeV

B. B. Back, M. D. Baker, M. Ballintijn, D. S. Barton, R. R. Betts, A. A. Bickley, R. Bindel, A. Budzanowski, W. Busza, A. Carroll, Z. Chai, M. P. Decowski, E. García, T. Gburek, N. George, K. Gulbrandsen, S. Gushue, C. Halliwell, J. Hamblen, M. HauerG. A. Heintzelman, C. Henderson, D. J. Hofman, R. S. Hollis, R. Hołyński, B. Holzman, A. Iordanova, E. Johnson, J. L. Kane, J. Katzy, N. Khan, W. Kucewicz, P. Kulinich, C. M. Kuo, W. T. Lin, S. Manly, D. McLeod, A. C. Mignerey, R. Nouicer, A. Olszewski, R. Pak, I. C. Park, H. Pernegger, C. Reed, L. P. Remsberg, M. Reuter, C. Roland, G. Roland, L. Rosenberg, J. Sagerer, P. Sarin, P. Sawicki, H. Seals, I. Sedykh, W. Skulski, C. E. Smith, M. A. Stankiewicz, P. Steinberg, G. S.F. Stephans, A. Sukhanov, J. L. Tang, M. B. Tonjes, A. Trzupek, C. Vale, G. J. Van Nieuwenhuizen, S. S. Vaurynovich, R. Verdier, G. I. Veres, E. Wenger, 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

39 引文 斯高帕斯(Scopus)

摘要

Two-particle correlations of identical charged pion pairs from Au+Au collisions at sNN=62.4 and 200 GeV were measured by the PHOBOS experiment at BNL Relativistic Heavy Ion Collider (RHIC). Data for the 15% most central events were analyzed with Bertsch-Pratt and Yano-Koonin-Podgoretskii parametrizations using pairs with rapidities of 0.4<yππ<1.3 and transverse momenta 0.1<kT<1.4 GeV/c. The Bertsch-Pratt radii Ro and R decrease as a function of pair transverse momentum. Ro and Rs are independent of collision energy, while R shows a slight increase. The source rapidity yYKP scales roughly with the pair rapidity yππ, indicating strong dynamical correlations.

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文章編號031901
期刊Physical Review C - Nuclear Physics
73
發行號3
DOIs
出版狀態已出版 - 2006

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