Probing CP Asymmetries in Charm Baryons Decays

Abstract

With the first evidence of direct CP violation in $D^0\to K^{+}{K}^{-}/{\pi }^{+}{\pi }^{-}$ there is a strong reason to probe CP asymmetries in charm baryons in three-body final states ${\Lambda }_c\to p{\pi }^{+}{\pi }^{-}/p{K}^{+}{K}^{-}$ & ${\Lambda }_c\to p{K}^{+}{\pi }^{-}$ with ${\Lambda }_c\to p{K}^{-}{\pi }^{+}$ to calibrate them. Analyzing the Dalitz plots carefully allows to find the 'existence' of New Dynamics (ND) and its `features'. One can test different methods to probe CP asymmetries. Final data from CDF and D0 experiments have advantage by comparing ${\Lambda }_c$ with ${\bar{\Lambda }}_c$ directly from $p\bar{p}$ collisions. LHCb will need more data with ${\bar{\Lambda }}_c$ transitions.

Comments: 6 pages, no figures