Optimization of temperature for 39 K: the Gray Molasses technique - Bagnato, Vanderlei Salvador; Salcedo, Edward Gutenberg Iraita; Gutierrez, Emmanuel David Mercado; Castilho, Patricia Christina Marques; Oliveira, Gustavo Alves de; Mazo, Pedro; Farias, Kilvia Mayre (Semana Integrada do Instituto de Física de São Carlos - SIFSC, 2020)