Recent charm results at Belle

Abstract

We present the selected recent charm results at Belle: (1) the $CP$ asymmetries and branching fractions for the decays of charm mesons, i.e. $D^0\to {\pi }^{+}{\pi }^{-}\eta ,K^{+}{K}^{-}\eta$ and $D^0\to \varphi \eta$; $D_s^{+}\to K^{+}{\pi }^0,K^{+}\eta$ and $D_s^{+}\to {\pi }^{+}{\pi }^0,{\pi }^{+}\eta$. (2) the branching fractions for the decays of charmed baryons, i.e. ${\Lambda }_c^{+}\to p{\pi }^0,p\eta$; ${\Lambda }_c^{+}\to \Lambda {\pi }^{+}\eta ,{\Sigma }^0{\pi }^{+}\eta$ and intermediate processes ${\Lambda }_c^{+}\to \Lambda (1670){\pi }^{+},\eta \Sigma (1385{)}^{+}$; ${\Xi }_c^0\to \Lambda {\bar{K}}^{\ast 0},{\Sigma }^0{\bar{K}}^{\ast 0}$ and ${\Sigma }^{+}{K}^{\ast -}$. (3) properties of excited charmed baryons, i.e. search for electromagnetic transition ${\Xi }_c(2790,2815{)}^{+,0}\to {\Xi }_c^{+,0}\gamma$; and determination of spin-parity of ${\Xi }_c(2970{)}^{+}$.

8 pages, 2 figures