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Recent charm results at Belle

Published 13 Sep 2021 in hep-ex | (2109.05713v1)

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 $D{0}\to\phi\eta$; $D_{s}{+}\to K{+}\pi{0},\,K{+}\eta$ and $D_{s}{+}\to\pi{+}\pi{0},\,\pi{+}\eta$. (2) the branching fractions for the decays of charmed baryons, i.e. $\Lambda_{c}{+}\to p\pi{0},\,p\eta$; $\Lambda_{c}{+}\to\Lambda\pi{+}\eta,\,\Sigma0\pi{+}\eta$ and intermediate processes $\Lambda_{c}{+}\to\Lambda(1670)\pi{+},\,\eta\Sigma(1385)+$; $\Xi_c0\to\Lambda\bar{K}{*0},\,\Sigma0\bar{K}{*0}$ and $\Sigma+K{*-}$. (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 $\Xi_c(2970)+$.

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