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Pion correlations in 1. 8 A GeV Ar on KCl and La and 1. 2 A GeV Xe on La

Journal Article · · Physical Review, C (Nuclear Physics); (United States)
 [1]; ; ; ;  [2];  [3]; ; ;  [4]; ;  [5];  [6];  [7]
  1. University of California, Davis, Davis, California 95616 (United States) Lawrence Berkeley Laboratory, Berkeley, California 94720 (United States)
  2. Nuclear Science Division, Lawrence Berkeley Laboratory, Berkeley, California 94720 (United States)
  3. Brookhaven National Laboratory, Upton, New York 11973 (United States)
  4. University of California, Davis, Davis, California 95616 (United States)
  5. University of California, Riverside, California 92521 (United States)
  6. Kent State University, Kent, Ohio 44242 (United States)
  7. Harbin Institute of Technology (China)
Results are presented for pion interferometry measurements of 1.8{ital A} GeV Ar+KCl and Ar+La, and 1.2{ital A} GeV Xe + La at the Lawrence Berkeley Laboratory Heavy Ion Spectrometer System. The parameters {ital R}, {tau}, {lambda}, {ital R}{sub {perpendicular}}, and {ital R}{sub {parallel}} are presented for all three projectile-target combinations. The correlation between the extracted size of the pion source and the centrality of the collision is investigated as well as the freeze-out densities and the dependence of the source size on the mean momentum of the pion pairs. The experimental setup and analysis are discussed and comparisons made with the results of others. The phase space covered is at forward angles in the center-of-mass system.
DOE Contract Number:
FG03-86ER40271; AC03-76SF00098
OSTI ID:
7105789
Journal Information:
Physical Review, C (Nuclear Physics); (United States), Journal Name: Physical Review, C (Nuclear Physics); (United States) Vol. 45:6; ISSN 0556-2813; ISSN PRVCA
Country of Publication:
United States
Language:
English