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首页> 外文期刊>Physical review, C >Large baryon densities achievable in high-energy heavy-ion collisions outside the central rapidity region
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Large baryon densities achievable in high-energy heavy-ion collisions outside the central rapidity region

机译:中央迅速区外的高能量重离子碰撞中可实现的大型缩龙密度

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摘要

Nuclei are nearly transparent to each other when they collide at high energy, but the collisions do produce high-energy density matter in the central rapidity region where most experimental measurements are made. What happens to the receding nuclear fireballs? We calculate the energy loss of the nuclei using the color glass condensate model. We then use a simple space-time picture of the collision to calculate the baryon and energy densities of the receding fireballs. For central collisions of large nuclei at the BNL Relativistic Heavy Ion Collider and the CERN Large Hadron Collider we find baryon densities more than ten times that of normal nuclear matter. These results provide initial conditions for subsequent hydrodynamic evolution and could test the equation of state at very high baryon densities.
机译:当在高能量下碰撞时,核几乎彼此透明,但是碰撞确实在大多数实验测量的中央快速区域中产生高能密度物质。 后退的核火球会发生什么? 我们使用彩色玻璃冷凝水模型计算核的能量损失。 然后,我们使用一个简单的时空图片碰撞来计算后退火球的Baryon和能量密度。 对于BNL相对论重型离子撞机的大核的中央碰撞和CERN大强子撞机,我们发现Baryon密度超过正常核物质的十倍。 这些结果为随后的流体动力学演变提供了初始条件,并且可以在非常高的Baryon密度测试状态方程。

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