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Hyper-Kamiokande is a proposed next-generation water Cherenkov detector. If a galactic supernova happens, it will deliver a high event rate ($\mathcal{O}(10^5)$ neutrino events in total) as well as event-by-event energy information. Recent…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Jost Migenda

The current supernova detection technique used in IceCube relies on the sudden deviation of the summed photomultiplier noise rate from its nominal value during the neutrino burst, making IceCube a $\approx 3$ Megaton effective detection…

Instrumentation and Methods for Astrophysics · Physics 2015-05-28 L. Demiroers , M. Ribordy , M. Salathe

Different types of core-collapse supernovae (SNe) have been considered as candidate sources of high-energy cosmic neutrinos. Stripped-envelope SNe, including energetic events like hypernovae and super-luminous SNe, are of particular…

High Energy Physics - Phenomenology · Physics 2018-12-11 Arman Esmaili , Kohta Murase

Super-Kamiokande has reported a small excess of electron antineutrino events in the 20 MeV energy range, in the search for the diffuse supernova neutrino background. We interpret this signal as a possible indication of dark matter that…

High Energy Physics - Phenomenology · Physics 2026-05-20 Alessandro Granelli , Silvia Pascoli , Salvador Rosauro-Alcaraz

We present a new strategy for measuring the electron neutrino mass ($\mnue$) by future detection of a Galactic supernova in large underground detectors such as the Super-Kamiokande (SK). This method is nearly model-independent and one can…

Astrophysics · Physics 2009-10-30 Tomonori Totani

Rapidly rotating and strongly magnetized protoneutron stars (PNSs) created in core-collapse supernovae can drive relativistic magnetized winds. Ions and neutrons can be co-accelerated while they remain coupled through elastic collisions. We…

High Energy Astrophysical Phenomena · Physics 2024-10-11 Jose Alonso Carpio , Nick Ekanger , Mukul Bhattacharya , Kohta Murase , Shunsaku Horiuchi

Neutrinos allow the probing of stellar interiors during core collapse, helping to understand the different stages and processes in the collapse. To date, supernova neutrinos have only been detected from a single event, SN1987A. Most studies…

High Energy Astrophysical Phenomena · Physics 2023-07-11 Sean Heston , Emily Kehoe , Yudai Suwa , Shunsaku Horiuchi

Core-collapse supernovae are powerful neutrino sources. The observation of a future (extra-)galactic supernova explosion or of the relic supernova neutrinos might provide important information on the supernova dynamics, on the supernova…

Astrophysics · Physics 2009-11-13 J. Gava , C. Volpe

The eV-scale sterile neutrino has been proposed to explain some anomalous results in experiments, \textit{such as} the deficit of reactor neutrino fluxes and the excess of $\bar{\nu}_\mu\to\bar{\nu}_e$ in LSND. This hypothesis can be tested…

High Energy Physics - Phenomenology · Physics 2021-03-19 Jian Tang , TseChun Wang , Meng-Ru Wu

A very massive star with a carbon-oxygen core in the range of $64$ M$_{\odot}<M_{\mathrm{CO}}<133$ M$_{\odot}$ is expected to undergo a very different kind of explosion known as a pair instability supernova. Pair instability supernovae are…

High Energy Astrophysical Phenomena · Physics 2017-11-22 Warren P. Wright , Matthew S. Gilmer , Carla Fröhlich , James P. Kneller

The direct detection of cosmic neutrino background (CNB) has been a longstanding challenge in particle physics, due to its low number density and tiny neutrino masses. In this work, we consider the spectrum of the CNB boosted by cosmic rays…

High Energy Physics - Phenomenology · Physics 2021-12-28 Wei Chao , Jing-jing Feng , Mingjie Jin , Tong Li

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 and latter potentially gain the energy up to $\sim…

High Energy Astrophysical Phenomena · Physics 2021-01-13 Hiroki Nagakura , Kenta Hotokezaka

New optical sensors with a segmented photosensitive area are being developed for the next generation of neutrino telescopes at the South Pole. In addition to increasing sensitivity to high-energy astrophysical neutrinos, we show that this…

High Energy Astrophysical Phenomena · Physics 2022-05-03 Cristian Jesús Lozano Mariscal , Lew Classen , Martin Antonio Unland Elorrieta , Alexander Kappes

This is the first of two articles aimed at providing comprehensive predictions for the day-night (D-N) effect for the Super-Kamiokande detector in the case of the MSW $\nu_e \to \numt$ transition solution of the solar neutrino problem. The…

High Energy Physics - Phenomenology · Physics 2009-10-30 Q. Y. Liu , M. Maris , S. T. Petcov

I study the diffuse flux of electron antineutrinos from stellar collapses with direct black hole formation (failed supernovae). This flux is more energetic than that from successful supernovae, and therefore it might contribute…

Solar and Stellar Astrophysics · Physics 2009-07-23 Cecilia Lunardini

Self-consistent, multidimensional core-collapse supernova (SN) simulations, especially in 3D, have achieved tremendous progress over the past 10 years. They are now able to follow the entire evolution from core collapse through bounce,…

High Energy Astrophysical Phenomena · Physics 2026-02-13 H. -Thomas Janka

The study of how neutron stars cool over time can provide invaluable insights into fundamental physics such as the nuclear equation of state and superconductivity and superfluidity. A critical relation in neutron star cooling is the one…

High Energy Astrophysical Phenomena · Physics 2019-07-23 Wynn C. G. Ho , M. J. P. Wijngaarden , Philip Chang , Craig O. Heinke , Dany Page , Mikhail Beznogov , Daniel J. Patnaude

RES-NOVA is a new proposed experiment for the investigation of astrophysical neutrino sources with archaeological Pb-based cryogenic detectors. RES-NOVA will exploit Coherent Elastic neutrino-Nucleus Scattering (CE$\nu$NS) as detection…

We derive new constraints on combination of dark matter - electron cross-section ($\sigma_{\chi e}$) and dark matter - neutrino cross-section ($\sigma_{\chi \nu}$) utilising the gain in kinetic energy of the dark matter (DM) particles due…

High Energy Physics - Phenomenology · Physics 2022-05-30 Diptimoy Ghosh , Atanu Guha , Divya Sachdeva

We investigate to what extent the oscillation or conversion of neutrinos enhances the expected event rate of the supernova relic neutrino background (SRN) at the Super-Kamiokande detector (SK). The SRN \bar\nu_e's can be almost completely…

High Energy Physics - Phenomenology · Physics 2009-10-28 Tomonori Totani , Katsuhiko Sato