Dynamics of metastable particle and neutrinos in the primordial era
IFT Seminar Room/Red Room Instituto de Física Teórica (IFT) -C. Nicolás Cabrera, 13-15, Fuencarral-El Pardo, Madrid, SpainCosmological observations like BBN and CMB offer crucial insights into the Early Universe enabling us to trace its evolution back to lifetimes as short as 0.01 seconds and testing different extensions of the Standard model if they decay at such times.