Decay properties of light $1^{-+}$ hybrids

Juzheng Liang, Siyang Chen, Ying Chen +2

We explore the decay properties of the isovector and isoscalar $1^{-+}$ light hybrids, ${\pi }_1$ and ${\eta }_1$, in $N_f=2$ lattice QCD at a pion mass $m_{\pi }\approx 417\mathrm{MeV}$. The McN…