Radiative Decay Modes of the $D^{0}$ Meson

TL;DR

This study searched for specific radiative decay modes of the D0 meson using CLEO-II data and set upper limits on their branching ratios, contributing to understanding charm meson decay processes.

Contribution

First experimental search for four radiative decay modes of the D0 meson, establishing upper limits on their branching ratios.

Findings

Set 90% CL upper limits on decay modes' branching ratios

Provided constraints on theoretical models of D0 decays

Enhanced understanding of charm meson radiative decays

Abstract

Using data recorded by the CLEO-II detector at CESR we have searched for four radiative decay modes of the $D^0$ meson: $D^0\to\phi\gamma$, $D^0\to\omega\gamma$, $D^0\to\bar{K}^{*}\gamma$, and $D^0\to\rho^0\gamma$. We obtain 90% CL upper limits on the branching ratios of these modes of $1.9\times 10^{-4}$, $2.4\times 10^{-4}$, $7.6\times 10^{-4}$ and $2.4\times 10^{-4}$ respectively.