Lifetime of doubly charmed baryons

Chao-Hsi Chang, Tong Li, Xue-Qian Li +1

In this work, we evaluate the lifetimes of the doubly charmed baryons ${\Xi }_{cc}^{+}$, ${\Xi }_{cc}^{++}$ and ${\Omega }_{cc}^{+}$. We carefully calculate the non-spectator contributions at the qu…