26/mar/21 – Effects of collisional fragmentation and scattering on the hot super-Earths formation (Bsc Leandro Esteves, UNESP/GDOP)

For simplicity, most planet formation models assume that collisions during the intermediate and final phases of planetary formation result in perfect accretion. This type of approach has been used both in solar system and exoplanet formation models. However, some studies have shown that fragmentation and scattering are a common result of collisions during this stage of planetary formation. The objective of this work is to use a realistic collisional treatment based on Leinhardt & Stewart (2011) to study the final stage of hot super-Earths formation. We revisit an important model for the formation of hot super-Earths, known as “Breaking The Chains”, and analyse the results of this formation process when we consider fragmentation and scattering events.