论文标题
偏振重子产生的分析模型研究
Analytic model studies of polarized baryon production
论文作者
论文摘要
我们研究了已知的流体动力学的确切溶液，并得出了用于冷冻时产生的重子的极化的分析公式。这种极化（在高能重型离子实验中观察到）传达了有关夸克 - 胶原等离子体（SQGP）的时间演变的信息，我们的结果对这种测量和SQGP的动力学性能之间的联系提供了首先分析洞察力（例如涡度）。我们提出了旋转和加速扩展解决方案的结果，还为如何使用Buda-Lund参数化的旋转扩展来计算极化。
We investigate known exact solutions of hydrodynamics and derive analytic formulas for the polarization of baryons produced at freeze-out. Such polarization (observed in high energy heavy-ion experiments) carries information on the time evolution of the quark-gluon plasma (sQGP), and our results give first analytic insight into the connection between this type of measurements and dynamical properties of the sQGP (e.g. vorticity). We present results for a rotating and acceleratingly expanding solution and also give hints on how to calculate the polarization using a rotating extension of the Buda--Lund parameterization.
