HBT Parameters for Au+Au Collisions at RHIC Energy

ZHANG Jing-Bo; HUO Lei; ZHANG Wei-Ning; LIU Yi-Ming

Chinese Physics C> 2001, Vol. 25> Issue(12) : 1253-1257

HBT Parameters for Au+Au Collisions at RHIC Energy

Department of Physics,Harbin Institute of Technology,Harbin 150001,China2 Nuclear Science Division,Lawrence Berkeley National Laboratory,CA 94720,USA

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Abstract：
Using the dynamical transport approach RQMD with a correlation afterburner,the behavior of two-pion HBT parameters is studied for Au+Au collisions at RHIC energy s=200GeV/u. We find that the HBT size parameters do reflect the source geometry at freeze-out for both central and non-central collisions. The transverse momentum dependence of HBT size parameters is insensitive to the pressure developed during the early stage of the collisions,rather,it is sensitive to the degree of spacemomentum correlation.

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ZHANG Jing-Bo, HUO Lei, ZHANG Wei-Ning and LIU Yi-Ming. HBT Parameters for Au+Au Collisions at RHIC Energy[J]. Chinese Physics C, 2001, 25(12): 1253-1257.

ZHANG Jing-Bo, HUO Lei, ZHANG Wei-Ning and LIU Yi-Ming. HBT Parameters for Au+Au Collisions at RHIC Energy[J]. Chinese Physics C, 2001, 25(12): 1253-1257. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

HBT Parameters for Au+Au Collisions at RHIC Energy

Corresponding author: ZHANG Jing-Bo,

Department of Physics,Harbin Institute of Technology,Harbin 150001,China2 Nuclear Science Division,Lawrence Berkeley National Laboratory,CA 94720,USA

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 2001-12-05

Abstract: Using the dynamical transport approach RQMD with a correlation afterburner,the behavior of two-pion HBT parameters is studied for Au+Au collisions at RHIC energy s=200GeV/u. We find that the HBT size parameters do reflect the source geometry at freeze-out for both central and non-central collisions. The transverse momentum dependence of HBT size parameters is insensitive to the pressure developed during the early stage of the collisions,rather,it is sensitive to the degree of spacemomentum correlation.