Old Data, New Forensics: The First Second of SN 1987A Neutrino Emission

Autor:	Li, Shirley Weishi, Beacom, John F., Roberts, Luke F., Capozzi, Francesco
Rok vydání:	2023
Předmět:	Astrophysics - High Energy Astrophysical Phenomena High Energy Physics - Phenomenology
Druh dokumentu:	Working Paper
Popis:	The next Milky Way supernova will be an epochal event in multi-messenger astronomy, critical to tests of supernovae, neutrinos, and new physics. Realizing this potential depends on having realistic simulations of core collapse. We investigate the neutrino predictions of nearly all modern models (1-, 2-, and 3-d) over the first $\simeq$1 s, making the first detailed comparisons of these models to each other and to the SN 1987A neutrino data. Even with different methods and inputs, the models generally agree with each other. However, even considering the low neutrino counts, the models generally disagree with data. What can cause this? We show that neither neutrino oscillations nor different progenitor masses appear to be a sufficient solution. We outline urgently needed work. Comment: Main text is 5 pages; total with references and Supplemental Material is 21 pages. Comments are welcome
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2306.08024 Zobrazit plný text záznamu View this record from Arxiv