arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 1010.0400nucl-thhep-ph
收藏

LHC能区质子-质子散射流体动力学演化的证据

Evidence for Hydrodynamic Evolution in Proton-Proton Scattering at LHC Energies

K. Werner, Iu. Karpenko, T. Pierog, M. Bleicher, K. Mikhailov

摘要:

在大型强子对撞机能量下的$pp$散射中,大量的元散射将有显著的贡献,相应的高多重性事件将特别令人感兴趣。基本散射是部分子阶梯,用彩色磁通管来标识。在高多重性事件中,这些通量管中的许多通量管在同一空间区域中产生,从而产生高能量密度。我们认为,有很好的理由采用成功的程序用于重离子碰撞:物质被假定为热化迅速,从磁通管的能量可以作为流体动力学膨胀的初始条件。这种情况得到了壮观的支持,从最近的结果在$pp$散射在900 GeV的大型强子对撞机的玻色-爱因斯坦相关性。

英文摘要:

In $pp$ scattering at LHC energies, large numbers of elementary scatterings will contribute significantly, and the corresponding high multiplicity events will be of particular interest. Elementary scatterings are parton ladders, identified with color flux-tubes. In high multiplicity events, many of these flux tubes are produced in the same space region, creating high energy densities. We argue that there are good reasons to employ the successful procedure used for heavy ion collisions: matter is assumed to thermalizes quickly, such that the energy from the flux-tubes can be taken as initial condition for a hydrodynamic expansion. This scenario gets spectacular support from very recent results on Bose-Einstein correlations in $pp$ scattering at 900 GeV at LHC.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑