论文标题
来自光谱重建的Yang-Mills胶合球质量
Yang-Mills glueball masses from spectral reconstruction
论文作者
论文摘要
我们从Landau Gauge Yang-Mills理论中的四连杆顶点的频谱重建中计算出两个最轻的胶球的质量。顶点的欧几里得空间敷料是通过功能性重态化组计算的。对于这些欧几里得数据的光谱重建，我们采用高斯过程回归。可以直接识别粘合球的共振，我们根据功能界限和lattice计算，获得$ m_ {sc} = 1870（75）〜$ meV以及$ m_ {ps} = 2700（120）〜$ MEV。
We compute masses of the two lightest glueballs from spectral reconstructions of timelike interaction channels of the four-gluon vertex in Landau gauge Yang-Mills theory. The Euclidean spacelike dressings of the vertex are calculated with the functional renormalisation group. For the spectral reconstruction of these Euclidean data, we employ Gaussian process regression. The glueball resonances can be identified straightforwardly and we obtain $m_{sc} = 1870(75)~$ MeV as well as $m_{ps} = 2700(120)~$ MeV, in accordance with functional bound state and lattice calculations.
