SN1987A neutrino burst: limits on flavor conversion Pedro Dedin Neto, Marcos V. dos Santos, Pedro Cunha de Holanda and Ernesto Kemp Eur. Phys. J. C, 83 6 (2023) 459 Published online: 02 June 2023 DOI: 10.1140/epjc/s10052-023-11597-6