Improved analysis of the rare decay processes of Λb
Ren-hao Deng,Yong-lu Liu,Ming-qiu Huang
Figure 4. Process ${{\rm{\Lambda }}}_{b}\to {\rm{\Lambda }}{l}^{+}{l}^{-}$ decay rate relate with the transfer momentum q2 in (a) CZ-type current and (b) Ioffe-type current.