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Baryon production probability via the nuclear configurational entropy
The European Physical Journal Plus ( IF 2.8 ) Pub Date : 2021-01-23 , DOI: 10.1140/epjp/s13360-021-01076-w
G. Karapetyan

We study the net-baryon production at forward rapidities within the Color Glass Condensate paradigm. At high energy regime, the leading baryon production mechanism is shown to change from recombination to independent fragmentation. The nuclear configurational entropy (NCE) constructed upon forward scattering amplitudes allows to predict the two free parameters that govern the anomalous dimension of the target gluon distribution. The global minimum of the NCE indicates a point of stability in pp/pA/AA collisions at LHC energies, corroborating and matching RHIC data for hadron spectra measured in pp and dAu collisions at RHIC energies, with accuracy between 1.2 and 1.8%, respectively, for the two free parameters.



中文翻译:

通过核构型熵产生重子的概率

我们在彩色玻璃冷凝物范式中以正向速度研究净重子生产。在高能状态下,主要的重子产生机制显示为从重组变为独立碎片。基于正向散射幅度构造的核构型熵(NCE)可以预测控制目标胶子分布异常尺寸的两个自由参数。NCE的全局最小值表示在LHC能量下pp / pA / AA碰撞的稳定点,证实和匹配了在RHIC能量下pp和dAu碰撞中测得的强子光谱的RHIC数据,其准确度分别在1.2%和1.8%之间,对于两个自由参数。

更新日期:2021-01-24
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