Current Population Statistics Do Not Favor Photoevaporation over Core-Powered Mass Loss as the Dominant Cause of the Exoplanet Radius Gap

R. O. P. Loyd, Evgenya L. Shkolnik, Adam C. Schneider +4

We search for evidence of the cause of the exoplanet radius gap, i.e. the dearth of planets with radii near $1.8R_{\oplus }$. If the cause was photoevaporation, the radius gap shoul…