1994/10/17 by I. V. Andreev, M. Plümer, Andreev, I. V. +5
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph
paper · pdf · doi:10.48550/arxiv.hep-ph/9410303
17 pages,DMR-THEP-94-6/W
openalex publication_date 1994/10/17 · arxiv created 1994/10/20 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We compare and analyse Bose-Einstein correlation data for π+ p and K+ p collisions at √(s)=22 GeV obtained by the NA22-Collaboration and data for pp collisions at √(s)=630 GeV obtained by the UA1-Minimum-Bias-Collaboration. Using a parametrization for a longitudinally expanding source, we observe that correlation lengths and radii extracted from fits to the data change significantly if one goes from the NA22- to the UA1-data: the transverse radius of the chaotic source increases by about 50% while the correlation lengths in longitudinal and transverse directions decrease by about 50% and 30%, respectively. The chaoticity parameter remains approximately constant or increases. DMR-THEP-94-6/W