Study of Excited $\hat{I}{ž}_c$ States Decaying into $\hat{I}{ž}_c^0$ and $\hat{I}{ž}_c^{+}$ Baryons

Abstract

Using a data sample of 980 ${\mathrm{fb}}^{-1}$ of $e^{+}{e}^{-}$ annihilation data taken with the Belle detector operating at the KEKB asymmetric-energy $e^{+}{e}^{-}$ collider, we report the results of a study of excited $\hat{I}{ž}_c$ states that decay, via the emission of photons and/or charged pions, into $\hat{I}{ž}_c^0$ or $\hat{I}{ž}_c^{+}$ ground state charmed-strange baryons. We present new measurements of the masses of all members of the $\hat{I}{ž}_c^{\prime }$, $\hat{I}{ž}_c(2645)$, $\hat{I}{ž}_c(2790)$, $\hat{I}{ž}_c(2815)$, and $\hat{I}{ž}_c(2980)$ isodoublets, measurements of the intrinsic widths of those that decay strongly, and evidence of previously unknown transitions.

Submitted to PRD