相对论重离子对撞机中Au+Au碰撞的净重子密度
Net baryon density in Au+Au collisions at the relativistic heavy ion collider.
作者信息
Bass Steffen A, Müller Berndt, Srivastava Dinesh K
机构信息
Department of Physics, Duke University, Durham, North Carolina 27708-0305, USA and RIKEN BNL Research Center, Brookhaven National Laboratory, Upton, New York 11973, USA.
出版信息
Phys Rev Lett. 2003 Aug 1;91(5):052302. doi: 10.1103/PhysRevLett.91.052302.
We calculate the net-baryon rapidity distribution in Au+Au collisions at the Relativistic Heavy Ion Collider (RHIC) in the framework of the parton cascade model (PCM). Parton rescattering and fragmentation leads to a substantial increase in the net-baryon density at midrapidity over the density produced by initial primary parton-parton scatterings. The PCM is able to describe the measured net-baryon density at RHIC.
我们在部分子级联模型（PCM）的框架下，计算了相对论重离子对撞机（RHIC）上金离子与金离子碰撞中的净重子快度分布。部分子再散射和碎裂导致中快度处的净重子密度相较于初始原初部分子-部分子散射产生的密度大幅增加。PCM能够描述在RHIC上测得的净重子密度。
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