HBT Parameters and Space-Momentum Correlations in Relativistic Heavy-Ion Collisions

• 来源期刊: 中国物理快报（英文版）
• 学科: 物理学
• 年，卷（期）: 2001,（12）
• 所属期刊栏目: NUCLEAR PHYSICS
• 页码范围: 1568-1570
• 页数: 3页
• 分类号: O4
• 语种: 英文

摘要

Using the relativistic quantum molecular dynamics approach, with a correlation after-burner, the physics of the transverse momentum dependence of the Hanbury-Brown and Twiss parameters is studied for Au t Au, Si + Si and p + p collisions at the centre-of-mass energy v s = 200 AGeV. The results indicate that the space-momentum correlations would affect such dependence in both heavy-ion and elementary collisions. The size parameters as a function of the transverse mass mt are sensitive to the degree of space-momentum correlations.