The Shanghai Jiaotong University Exhibition Group proposes a new method for detecting superstandard model interactions using supernova neutrinos

Recently, the top international astrophysics journal "The Astrophysical Journal Letters" [The Astrophysical Journal Letters 923, L26 (2021)] published the title of "Supernova Preshock Neutronization Burst" by the Shanghai Jiao Tong University School of Physics and Astronomy.

Studies have shown that for a star with a mass greater than about 8 times the mass of the sun, a nuclear collapse supernova will occur in the later stage of its evolution.

Figure 1 The evolution of total neutrino number flux (a) and energy flux (b) with time (tbounce) during the evolution of a supernova with 15 times the mass of the sun when using different neutrino-quark superstandard model interactions Shrink the rebound time for the supernova)

Modern supernova models generally predict that nuclear collapse supernovas will produce shock-breakout neutrino bursts and preshock neutrino bursts.

For a long time, the pre-shock neutrino explosion has not received much attention

This work opens a new window for studying the interaction between neutrinos and matter beyond the standard model

The first author of this work is Huang Xurun, a doctoral student in the School of Physics and Astronomy, and the corresponding author is Professor Lien Wen.

Link to the paper: https://iopscience.