Non-thermal neutrinos created by shock acceleration in successful and failed core-collapse supernova

We present a comprehensive study of neutrino shock acceleration in core-collapse supernova (CCSN). The leading players are heavy leptonic neutrinos, $\nu_{\mu}$ and $\nu_{\tau}$; the former latter potentially gain energy up to $\sim 100$ MeV 200$ MeV, respectively, through acceleration. Demonstrating by Monte Carlo transport, we make statement that it commonly occurs early post bounce phase ($\lesssim 50$ ms after bounce) for all massive stellar collapse experiencing nuclear would reoccur late ($\gtrsim ms) failed CCSNe. This opens new possibility detect high neutrinos terrestrial detectors from Galactic CCSNe; hence, estimate event counts Hyper(Super)-Kamiokande, DUNE, JUNO. find count with $\gtrsim 80$ is few orders magnitude higher than thermal regardless detectors, muon production may also happen these MeV. signals provide precious information on deciphering inner dynamics CCSN placing constraint physics oscillation; indeed, detection charged current reaction channels will be smoking gun evidence flavor conversion.