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Related papers: Developing Pre-Supernova Neutrino Support for snto…

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Neutrino telescopes, including IceCube, can detect galactic supernova events by observing the collective rise in photomultiplier count rates with a sub-second time resolution. Leveraging precise timing, we demonstrate the ability of…

High Energy Physics - Phenomenology · Physics 2025-06-13 Jeff Lazar , Ying-Ying Li , Carlos A. Arguelles , Vedran Brdar

A suite of detectors around the world is poised to measure the flavor-energy-time evolution of the ten-second burst of neutrinos from a core-collapse supernova occurring in the Milky Way or nearby. Next-generation detectors to be built in…

High Energy Physics - Experiment · Physics 2017-12-19 Kate Scholberg

Aims: We present neutrino light curves and energy spectra for two representative type Ia supernova explosion models: a pure deflagration and a delayed detonation. Methods: We calculate the neutrino flux from $\beta$ processes using nuclear…

Solar and Stellar Astrophysics · Physics 2011-03-29 A. Odrzywolek , T. Plewa

One of the main challenges in modeling massive stars to the onset of core collapse is the computational bottleneck of nucleosynthesis during advanced burning stages. The number of isotopes formed requires solving a large set of…

In the event of a black hole (BH) forming stellar collapse, the neutrino signal should terminate abruptly at the moment of BH formation, after a phase of steady accretion. Since neutrinos are expected to reach Earth hours before the…

High Energy Astrophysical Phenomena · Physics 2022-01-12 Lila Sarfati , Rasmus S. L. Hansen , Irene Tamborra

Observation of supernovae (SN) through their neutrino emission is a fundamental point to understand both SN dynamics and neutrino physical properties. JUNO is a 20kton liquid scintillator detector, under construction in Jiangmen, China. The…

High Energy Astrophysical Phenomena · Physics 2019-10-09 C. Martellini , S. M. Mari , P. Montini , G. Settanta

We discuss the importance of observing supernova neutrinos. By analyzing the SN1987A observations of Kamiokande-II, IMB and Baksan, we show that they provide a 2.5{\sigma} support to the standard scenario for the explosion. We discuss in…

High Energy Physics - Phenomenology · Physics 2015-05-19 F. Vissani , G. Pagliaroli , F. Rossi-Torres

Neutrinos being massive could undergo non-radiative decay, a property for which the diffuse supernova neutrino background has a unique sensitivity. We extend previous analyses to explore our ability to disentangle predictions for the…

High Energy Physics - Phenomenology · Physics 2024-12-20 Noah Roux , M. Cristina Volpe

During a failed core-collapse supernova, the protoneutron star eventually collapses under its own gravitational field and forms a black hole. This collapse happens quickly, on the dynamical time of the protoneutron star, $\lesssim$0.5 ms.…

High Energy Astrophysical Phenomena · Physics 2022-03-09 Samuel Gullin , Evan O'Connor , Jia-Shian Wang , Jeff Tseng

We investigate the late-time neutrino emission powered by fallback mass accretion onto proto-neutron star (PNS), using neutrino radiation-hydrodynamic simulations with full Boltzmann neutrino transport. We follow the time evolution of…

High Energy Astrophysical Phenomena · Physics 2024-01-10 Ryuichiro Akaho , Hiroki Nagakura , Thierry Foglizzo

We present a new calculation of the neutrino flux received at Earth from a massive star in the $\sim 24$ hours of evolution prior to its explosion as a supernova (presupernova). Using the stellar evolution code MESA, the neutrino emissivity…

High Energy Astrophysical Phenomena · Physics 2017-12-20 Kelly M. Patton , Cecilia Lunardini , Robert J. Farmer , F. X. Timmes

Neutrinos from supernovae (SNe) are crucial probes of explosive phenomena at the deaths of massive stars and neutrino physics. High-energy neutrinos are produced through hadronic processes by cosmic rays, which are accelerated during…

High Energy Astrophysical Phenomena · Physics 2023-12-29 Kohta Murase

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

We present a new technique to directly reconstruct the spectra of mu/tau neutrinos and antineutrinos from a supernova, using neutrino-proton elastic scattering events (nu+p to nu+p) at scintillator detectors. These neutrinos, unlike…

High Energy Physics - Phenomenology · Physics 2015-03-19 Basudeb Dasgupta , John F. Beacom

We perform an extensive investigation of the sensitivity to non-vanishing tau-neutrino mass in a large water Cherenkov detector, developing an analysis method for neutrino events originated by a supernova explosion. This approach, based on…

Astrophysics · Physics 2014-10-13 Gianni Fiorentini , Camillo Acerbi

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 unique constraints on neutrino oscillations which can be obtained by measuring the energy spectrum of supernova $\bar{\nu}_e$'s are first discussed. The focus is on 4-neutrino mass and mixing models capable of explaining the LSND…

High Energy Physics - Phenomenology · Physics 2007-05-23 Michel Sorel

The next Galactic core-collapse supernova (CCSN) presents a once-in-a-lifetime opportunity to make astrophysical measurements using neutrinos, gravitational waves, and electromagnetic radiation. CCSNe local to the Milky Way are extremely…

High Energy Astrophysical Phenomena · Physics 2023-08-04 Spencer Griswold , Segev BenZvi

Advances in our understanding and the modeling of stellar core-collapse and supernova explosions over the past 15 years are reviewed, concentrating on the evolution of hydrodynamical simulations, the description of weak interactions and…

Astrophysics · Physics 2008-11-26 H. -Th. Janka , K. Langanke , A. Marek , G. Martinez-Pinedo , B. Mueller