论文标题
核中的Quenched $ {g_a} $在核和重型量表对称性中
The Quenched ${g_A}$ in Nuclei and Emergent Scale Symmetry in Baryonic Matter
论文作者
论文摘要
从$^{100} $ sn的超允许的gamow-telller过渡中的Quenched $ g_a $的最新实验表明，在异常尺寸$β^\ prime $ prime $ prime $ prime $ prime $ prime $ {该观察结果为在Nambu-Goldstone模式下实现的IR固定点（在手性极限）中实现的IR固定点（在手性极限）中出现的隐藏量表对称性的概念提供了支持。我们建议在核介质中表现出一个类比，以在低密度（在光核中）到高密度（紧凑型恒星）以低密度（在光核中）到DILATON极限的连续性。在限制之间，例如，在正常的核物质密度下，对称性不可见，因此隐藏了。
A recent RIKEN experiment on the quenched $g_A$ in the superallowed Gamow-Telller transition from $^{100}$Sn indicates a role of scale anomaly encoded in the anomalous dimension $β^\prime$ of the gluonic stress tensor ${\rm Tr \ G}_{μν}^2$. This observation provides a support to the notion of hidden scale symmetry emerging by strong nuclear correlations with an IR fixed point realized -- in the chiral limit -- in the Nambu-Goldstone mode. We suggest there is an analogy in the way scale symmetry manifests in nuclear medium to the continuity from the unitarity limit at low density (in light nuclei) to the dilaton limit at high density (in compact stars). In between the limits, say, at normal nuclear matter density, the symmetry is not visible, hence hidden.
