论文标题
$ d $ MESON LOOP效果
In-medium $J/ψ$ mass shift by the $D$ meson loop effect
论文作者
论文摘要
通过有效的Lagrangian Plus QCD Sum-Rule方法，我们研究了介质中$ J/ψ$状态的质量转移，在对称核物质中，温度为零和有限的温度以及冷奇怪的物质。 $ j/ψ$状态的中等质量通过中级伪库斯卡尔$ d $ -Meson循环进行评估，用于$ J/ψ$自我能源。培养基的效果是通过使用手性SU（3）型号加QCD Sum-Rule方法计算的$ D $ MESON的中等内质量纳入的。使用偶极子形式的现象学形式正规化自能环的积分。我们将结果与文献中的一些结果进行比较。目前的结果应该有助于更好地了解重离子碰撞实验（例如CBM和PANDA）的预期数据。
By an effective Lagrangian plus QCD sum-rule approach, we investigate the mass shift of the $J/ψ$ state in medium, in symmetric nuclear matter with zero and finite temperature, and cold strange matter. The in-medium mass of the $J/ψ$ state is evaluated through the intermediate pseudoscalar $D$-meson loop for the $J/ψ$ self-energy. The effect of medium is incorporated through the in-medium mass of $D$ meson calculated using chiral SU(3) model plus QCD sum-rule approach. The self energy loop integral is regularized using the phenomenological form factor of the dipole form. We compare our results with some of the results in the literature. The present results should be helpful to understand better the expected data from heavy ion collision experiments, such as CBM and PANDA.
