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System, centrality, and transverse mass dependence of two-pion correlation radii in heavy ion collisions at 11.6A and 14.6A GeV/c

  • L. Ahle
  • , Y. Akiba
  • , K. Ashktorab
  • , M. D. Baker
  • , D. Beavis
  • , P. Beery
  • , H. C. Britt
  • , B. Budick
  • , J. Chang
  • , C. Chasman
  • , Z. Chen
  • , C. Y. Chi
  • , Y. Y. Chu
  • , V. Cianciolo
  • , B. A. Cole
  • , J. B. Costales
  • , H. J. Crawford
  • , J. B. Cumming
  • , R. Debbe
  • , J. C. Dunlop
  • W. Eldredge, J. Engelage, S. Y. Fung, E. Garcia, M. Gonin, S. Gushue, H. Hamagaki, L. F. Hansen, R. S. Hayano, S. Hayashi, G. Heintzelman, S. Homma, E. Judd, H. Kaneko, J. Kang, S. Kaufman, W. L. Kehoe, E. J. Kim, A. Kumagai, K. Kurita, R. J. Ledoux, J. H. Lee, M. J. LeVine, J. Luke, Y. Miake, A. Mignerey, D. P. Morrison, R. J. Morse, B. Moskowitz, M. Moulson, C. Müntz, S. Nagamiya, M. N. Namboodiri, T. K. Nayak, C. A. Ogilvie, J. Olness, C. G. Parsons, L. P. Remsberg, D. Roehrich, P. Rothschild, H. Sako, H. Sakurai, T. C. Sangster, R. Seto, J. Shea, K. Shigaki, R. A. Soltz, P. Stankus, S. G. Steadman, G. S.F. Stephans, T. W. Sung, Y. Tanaka, M. J. Tannenbaum, J. H. Thomas, S. R. Tonse, S. Ueno-Hayashi, J. H. Van Dijk, F. Videbæk, O. Vossnack, V. Vutsadakis, F. Wang, Y. Wang, H. E. Wegner, D. Woodruff, Y. Wu, H. Xiang, G. H. Xu, K. Yagi, X. Yang, H. Yao, D. Zachary, W. A. Zajc, F. Zhu
  • Massachusetts Institute of Technology
  • Lawrence Livermore National Laboratory
  • High Energy Accelerator Research Organization (KEK)
  • Brookhaven National Laboratory
  • University of California, Riverside
  • New York University
  • Columbia University
  • Oak Ridge National Laboratory
  • University of California, Space Sciences Laboratory
  • Yale University
  • University of Maryland, College Park
  • University of Illinois at Chicago
  • University of Tokyo
  • Kyoto University
  • Yonsei University
  • Argonne National Laboratory
  • University of Tsukuba
  • Rikkyo University
  • GSI Helmholtzzentrum fur Schwerionenforschung
  • Iowa State University
  • University of Bergen
  • U.S. Department of Energy
  • Kyushu University
  • Ernest Orlando Lawrence Berkeley National Laboratory
  • European Organization for Nuclear Research

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

54 Citations (Scopus)

Résumé

Two-pion correlation functions are analyzed at midrapidity for three systems (14.6A GeV/c Si+Al, Si+Au, and 11.6A GeV/c Au+Au), seven distinct centrality conditions, and different kT bins in the range 0.1-0.5 GeV/c. Source reference frames are determined from fits to the Yano-Koonin source parametrization. Bertsch-Pratt radius parameters are shown to scale linearly with both number of projectile and total participants as obtained from a Glauber model calculation. A finite lifetime parameter that increases linearly with system/centrality is also reported. The mT dependences of the Bertsch-Pratt radii for the central Si+Au and central Au+Au systems differ only by an overall normalization factor given by the measured system/centrality dependence.

langue originaleAnglais
Numéro d'article054906
Pages (de - à)549061-5490615
Nombre de pages4941555
journalPhysical Review C - Nuclear Physics
Volume66
Numéro de publication5
Les DOIs
étatPublié - 1 nov. 2002
Modification externeOui

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