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Resonant spin-flavour (RSF) conversions of supernova neutrinos, which is induced by the interaction between the nonzero neutrino magnetic moment and supernova magnetic fields, are studied for both normal and inverted mass hierarchy. As the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Shin'ichiro Ando , Katsuhiko Sato

Self-induced flavor conversion of supernova (SN) neutrinos is a generic feature of neutrino-neutrino dispersion. The corresponding run-away modes in flavor space can spontaneously break the original symmetries of the neutrino flux and in…

High Energy Physics - Phenomenology · Physics 2016-04-04 Sovan Chakraborty , Rasmus Sloth Hansen , Ignacio Izaguirre , Georg Raffelt

Predicting the flavor composition of neutrinos from supernovae is a challenging task, primarily due to the high neutrino densities at their core. In such an environment, neutrino self-interactions give rise to collective effects that have…

High Energy Physics - Phenomenology · Physics 2025-06-03 Antonio Capanema , Yago Porto , Maria Manuela Saez

Neutrinos and antineutrinos of all three flavours are emitted during the post bounce phase of a core collapse supernova with $\numu/\nutau (\anumu/\anutau)$ having average energies more than that of $\nue(\anue)$. They can be detected by…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sandhya Choubey , Debasish Majumdar , Kamales Kar

Supernova (SN) neutrinos can excite the nuclei of various detector materials beyond their neutron emission thresholds through charged current (CC) and neutral current (NC) interactions. The emitted neutrons, if detected, can be a signal for…

High Energy Astrophysical Phenomena · Physics 2017-03-29 Abhijit Bandyopadhyay , Pijushpani Bhattacharjee , Sovan Chakraborty , Kamales Kar , Satyajit Saha

As a unique probe for geophysical research, geoneutrinos can reveal the distribution of internal heat sources in the Earth by detecting electron antineutrinos produced by the radioactive decay of $^{238}$U, $^{232}$Th, and $^{40}$K.…

High Energy Physics - Experiment · Physics 2026-03-27 Keyu Han , Juncheng Qian , Shaomin Chen

The possibility of observing supernova (SN) neutrinos through the process of coherent elastic neutrino-nucleus scattering (CENNS) in future ton scale detectors designed primarily for direct detection of dark matter is investigated. In…

High Energy Astrophysical Phenomena · Physics 2014-02-05 Sovan Chakraborty , Pijushpani Bhattacharjee , Kamales Kar

Detection of 5 events by the Liquid Scintillation Detector (LSD) on February, 23, 1987 was interpreted in the literature as the detection of neutrinos from the first stage of the two-stage supernova collapse. We pose rigid constraints on…

Astrophysics · Physics 2008-11-03 Oleg Lychkovskiy

(Abridged) In order to decode the neutrino burst signal from a Galactic core-collapse supernova and reveal the complicated inner workings of the explosion we need a thorough understanding of the neutrino flavor evolution from the…

High Energy Astrophysical Phenomena · Physics 2013-08-09 Tina Lund , James P. Kneller

We investigate resonant spin-flavor (RSF) conversions of supernova neutrinos which are induced by the interaction of neutrino magnetic moment and supernova magnetic fields. From the formulation which includes all three-flavor neutrinos and…

High Energy Physics - Phenomenology · Physics 2016-09-06 Shin'ichiro Ando , Katsuhiko Sato

Neutrino masses and mixings produce vacuum oscillations, an established quantum mechanical phenomenon. In matter, the Mikheev-Smirnov-Wolfenstein effect, due to neutrino interactions with the background particles, triggers resonant flavor…

High Energy Physics - Phenomenology · Physics 2024-10-11 M. Cristina Volpe

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

Supernova (SN) neutrinos detected on the Earth are subject to the shock wave effects, the Mikheyev-Smirnov-Wolfenstein (MSW) effects, the neutrino collective effects and the Earth matter effects. Considering the recent experimental result…

High Energy Physics - Phenomenology · Physics 2015-10-20 Jing Xu , Ming-Yang Huang , Xin-Heng Guo , Bing-Lin Young

Neutrinos propagating in a dense neutrino gas, such as those expected in core-collapse supernovae (CCSNe) and neutron star mergers (NSMs), can experience fast flavor conversions on relatively short scales. This can happen if the neutrino…

High Energy Astrophysical Phenomena · Physics 2023-05-17 Sajad Abbar

Supernova neutrino flavor transitions during the shock wave propagation are known to encode relevant information not only about the matter density profile but also about unknown neutrino properties, such as the mass hierarchy (normal or…

High Energy Physics - Phenomenology · Physics 2009-11-11 G. L. Fogli , E. Lisi , A. Mirizzi , D. Montanino

The neutrinos from galactic supernovae can be detected by the Sudbury Neutrino Observatory and the Super-Kamiokande. The effect of neutrino mass can show up in the observed neutrino signal by (i) delay in the time of flight and (ii)…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sandhya Choubey , Kamales Kar

We revisit the flavor composition of neutrinos from core-collapse supernovae (SN), focusing on robust predictions that are insensitive to the poorly known dynamics of collective flavor conversion in the inner core. Assuming that the many…

High Energy Physics - Phenomenology · Physics 2025-12-22 Antonio Capanema , Yago Porto , Maria Manuela Saez

Developments of main notions and concepts behind the MSW effect (1978 - 1985) are described. They include (i) neutrino refraction, matter potential, and evolution equation in matter, (ii) mixing in matter, resonance and level crossing;…

High Energy Physics - Phenomenology · Physics 2019-02-05 A Y Smirnov

Measuring core-collapse supernova neutrinos, both from individual supernovae within the Milky Way and from past core collapses throughout the Universe (the diffuse supernova neutrino background, or DSNB), is one of the main goals of current…

High Energy Physics - Phenomenology · Physics 2022-12-21 Sebastian Baum , Francesco Capozzi , Shunsaku Horiuchi

Neutrinos from a supernova (SN) might undergo fast flavor conversions near the collapsed stellar core. We perform a detailed study of this intriguing possibility, analyzing time-dependent state-of-the-art 3D SN models of 9 and 20 Msun. Both…

High Energy Astrophysical Phenomena · Physics 2020-03-11 Robert Glas , H. -Thomas Janka , Francesco Capozzi , Manibrata Sen , Basudeb Dasgupta , Alessandro Mirizzi , Guenter Sigl