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Related papers: Pre-Supernova Alert System for Super-Kamiokande

200 papers

We explore the potential of current and future liquid scintillator neutrino detectors of O (10) kt mass to localize a pre-supernova neutrino signal in the sky. In the hours preceding the core collapse of a nearby star (at distance D < 1…

High Energy Astrophysical Phenomena · Physics 2020-10-08 Mainak Mukhopadhyay , Cecilia Lunardini , F. X. Timmes , Kai Zuber

The Diffuse Supernova Neutrino Background (DSNB) is the weak glow of MeV neutrinos and antineutrinos from distant core-collapse supernovae. The DSNB has not been detected yet, but the Super-Kamiokande (SK) 2003 upper limit on the electron…

High Energy Astrophysical Phenomena · Physics 2011-02-18 John F. Beacom

The $\nu_\mu$ and $\nu_\tau$ neutrinos (and their antiparticles) from a Galactic core-collapse supernova can be observed in a water-\v{C}erenkov detector by the neutral-current excitation of $^{16}$O. The number of events expected is…

High Energy Physics - Phenomenology · Physics 2010-11-30 J. F. Beacom , P. Vogel

Neutrinos in water can be detected thanks to several reactions. The most important one is the inverse beta decay $\bar\nu_{e}+p \rightarrow n+e^{+}$ . The detection of 2.2 MeV from neutron capture on free protons is very difficult. The…

High Energy Physics - Phenomenology · Physics 2018-09-26 Paraskevi C. Divari

The next Galactic core-collapse supernova (SN) should yield a large number of observed neutrinos. Using Bayesian techniques, we show that with an SN at a known distance up to 25 kpc, the neutrino events in a water Cherenkov detector similar…

High Energy Astrophysical Phenomena · Physics 2022-05-11 Jackson Olsen , Yong-Zhong Qian

The Diffuse Supernova Neutrino Background (DSNB) provides an immediate opportunity to study the emission of MeV thermal neutrinos from core-collapse supernovae. The DSNB is a powerful probe of stellar and neutrino physics, provided that the…

Astrophysics · Physics 2009-05-01 Shunsaku Horiuchi , John F. Beacom , Eli Dwek

Providing an early warning of a galactic supernova using neutrino signals is of importance in studying both supernova dynamics and neutrino physics. The Daya Bay reactor neutrino experiment, with a unique feature of multiple liquid…

Instrumentation and Detectors · Physics 2019-08-14 Hanyu Wei

While neutrinos are often treated as a background for many dark matter experiments, these particles offer a new avenue for physics: the detection of core-collapse supernovae. Supernovae are extremely energetic, violent and complex events…

A future galactic SN can be located several hours before the optical explosion through the MeV-neutrino burst, exploiting the directionality of $\nu$-$e$-scattering in a water Cherenkov detector such as Super-Kamiokande. We study the…

High Energy Physics - Phenomenology · Physics 2009-11-10 R. Tomas , D. Semikoz , G. G. Raffelt , M. Kachelriess , A. S. Dighe

If a galactic supernova explosion occurs in the future, it will be critical to rapidly alert the community to the direction of the supernova by utilizing neutrino signals in order to enable the initiation of follow-up optical observations.…

Instrumentation and Methods for Astrophysics · Physics 2024-02-02 Fumi Nakanishi , Shota Izumiyama , Masayuki Harada , Yusuke Koshio

The signal produced in neutrino observatories by the pair-annihilation neutrinos emitted from a 20 $M_{\odot}$ pre-supernova star at the silicon burning phase is estimated. The spectrum of the neutrinos with an average energy $\sim$2 MeV is…

Astrophysics · Physics 2007-05-23 A. Odrzywolek , M. Misiaszek , M. Kutschera

The next galactic supernova presents a once-in-a-lifetime opportunity to obtain detailed information about the explosion of a star and the extreme conditions found within its core. A core-collapse supernova will produce a neutrino burst…

High Energy Astrophysical Phenomena · Physics 2021-07-20 Spencer Griswold

The detection of supernova relic neutrinos could provide precious information on the evolution of the universe, the formation of stars, the mechanism of supernova bursts and the related neutrino physics. Many experiments, such as Kamland,…

High Energy Physics - Experiment · Physics 2016-11-03 Yang Zhang

The diffuse cosmic supernova neutrino background (DSNB) is observational target of the gadolinium-loaded Super-Kamiokande (SK) detector and the forthcoming JUNO and Hyper-Kamiokande detectors. Current predictions are hampered by our still…

High Energy Astrophysical Phenomena · Physics 2021-03-24 Daniel Kresse , Thomas Ertl , Hans-Thomas Janka

Considering general relativistic, two-dimensional (2D) supernova (SN) explosion models of progenitor stars between 8.1 and 27 solar masses, we systematically analyze the properties of the neutrino emission from core collapse and bounce to…

Solar and Stellar Astrophysics · Physics 2014-06-27 B. Müller , H. -Th. Janka

Antineutrino detectors are practical, non-intrusive tools capable of remotely monitoring the activity of nuclear reactors. Here we explore the sensitivity of the Super-Kamiokande water-Cherenkov detector, following gadolinium loading, to…

Instrumentation and Detectors · Physics 2018-04-12 Michael Leyton , Stephen Dye

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

Measuring precise all-flavor neutrino information from a supernova is crucial for understanding the core-collapse process as well as neutrino properties. We apply a chi-squared analysis for different detector setups to explore determination…

High Energy Astrophysical Phenomena · Physics 2018-01-30 Alex Nikrant , Ranjan Laha , Shunsaku Horiuchi

The IceCube Neutrino Observatory is uniquely sensitive to MeV neutrinos emitted during a core-collapse supernova. The Supernova Data Acquisition System (SNDAQ) monitors in real-time the detector rate deviation searching for bursts of MeV…

High Energy Astrophysical Phenomena · Physics 2023-11-20 Nora Valtonen-Mattila

We re-examine the data taken by the neutrino detectors during the supernova SN1987A. It is found that the Kamiokande data, in addition to the well known burst at 7:35 hours UT, show another one at 7:54 hours, with seven pulses in 6.2…

General Relativity and Quantum Cosmology · Physics 2008-10-22 P. Galeotti , G. V. Pallottino , G. Pizzella