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arXiv 1102.1403nucl-thhep-phnucl-ex
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重离子碰撞中脊的起伏

The Rise and Fall of the Ridge in Heavy Ion Collisions

Paul Sorensen, Boris Bolliet, Agnes Mocsy, Yadav Pandit, Navneet Pruthi

摘要:

最近的数据从重离子碰撞在RHIC显示出意想不到的大的近角的相关性,扩大纵向中心增加。这种脊状相关的幅度迅速上升,达到最大值,然后在最中心的碰撞下降。在这封信中,我们解释了这种行为如何可以解释为初始状态坐标空间各向异性转换为最终状态动量空间相关。我们建议$v_n^2/ε_{n,\mathrm{part}}^{2}$作为一个有用的方法来研究长度尺度,并提供了一个预测的脊在铅+铅碰撞$\sqrt{s_{\mathrm{NN}}}=$ 2.76 TeV。

英文摘要:

Recent data from heavy ion collisions at RHIC show unexpectedly large near-angle correlations that broaden longitudinally with increasing centrality. The amplitude of this ridge-like correlation rises rapidly, reaches a maximum, and then falls in the most central collisions. In this letter we explain how this behavior can be explained as initial-state coordinate-space anisotropies converted into final-state momentum-space correlations. We propose $v_n^2/ε_{n,\mathrm{part}}^{2}$ as a useful way to study length scales and provide a prediction for the ridge in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=$ 2.76 TeV.

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。

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