Nonleptonic two-body decays of ${\Lambda }_b\to {\Lambda }_c\pi ,{\Lambda }_{c}K$ in the perturbative QCD approach

Chao-Qi Zhang, Jia-Ming Li, Meng-Kun Jia +1

We study the color-allowed ${\Lambda }_b\to {\Lambda }_c\pi ,{\Lambda }_{c}K$ decays in the perturbative QCD approach (PQCD) to lowest order in strong coupling constant ${\alpha }_s$. Both the factorizable and…