Preliminary Analysis of $D^*$-tagged $D^0 \rightarrow \pi^+ \pi^- \pi^0$ Decays in Early Belle II Data

The Belle II collaboration uses the asymmetric SuperKEKB collider run at the $\Upsilon(4S)$ resonance to study Standard Model and new physics at the intensity frontier. One major area of study is charge-parity violation (CPV), especially in the $c$-quark sector. The LHCb collaboration published the first observation of CPV in $D$ meson decays in 2019,\footnote{R. Aaij et al., \textbf{Phys. Rev. Lett.} 122, 211803} and the search for CPV in other decay modes continues to be a major area of interest in particle physics. To that end, we will perform a Dalitz analysis of the singly Cabibbo suppressed (SCS) decay $D^0 \rightarrow \pi^+ \pi^- \pi^0$, using $D^*$-tagged $D^0$ and $\overline{D}^0$ mesons. This presentation will show a preliminary analysis of this mode with 72fb$^{-1}$ of Belle II data.