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In the dense-neutrino region at 50-400 km above the neutrino sphere in a supernova, neutrino-neutrino interactions cause large flavor transformations. We study when the multi-angle nature of the neutrino trajectories leads to flavor…

Astrophysics · Physics 2008-11-26 Andreu Esteban-Pretel , Sergio Pastor , Ricard Tomas , Georg G. Raffelt , Gunter Sigl

The existence of the coherent neutrino-nucleus scattering reaction requires to evaluate, for any detector devoted to WIMP searches, the irreducible background due to conventional neutrino sources and at same time, it gives a unique chance…

High Energy Physics - Phenomenology · Physics 2018-08-22 Giovanni De Lellis , Antonia Di Crescenzo , Andrea Gallo Rosso , Valerio Gentile , Francesco Vissani

A generalized phenomenological (3 + 2 + 1)-model with three active and three sterile neutrinos is considered for the calculation of the neutrino oscillation characteristics at normal mass hierarchy of active neutrinos and significant…

High Energy Physics - Phenomenology · Physics 2016-12-28 V. V. Khruschov , S. V. Fomichev , O. A. Titov

The flavor conversion of supernova neutrinos can lead to observable signatures related to the unknown neutrino parameters. As one of the determinants in dictating the efficiency of resonant flavor conversion, the local density profile near…

High Energy Physics - Phenomenology · Physics 2008-11-26 Shao-Hsuan Chiu

I try to give an overview of future prospects of the experimental exploration of the unknowns in the neutrino mass pattern and the lepton flavor mixing. Because of the nature of the lectures on which this manuscript is based, I give some…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hisakazu Minakata

In this paper, we propose a hexagonal description for the flavor composition of ultrahigh-energy (UHE) neutrinos and antineutrinos, which will hopefully be determined at the future large neutrino telescopes. With such a geometrical…

High Energy Physics - Phenomenology · Physics 2020-06-12 Shun Zhou

I review the physics of the Diffuse Supernova Neutrino flux (or Background, DSNB), in the context of future searches at the next generation of neutrino observatories. The theory of the DSNB is discussed in its fundamental elements, namely…

Cosmology and Nongalactic Astrophysics · Physics 2016-05-24 Cecilia Lunardini

Core-collapse supernovae emit of order $10^{58}$ neutrinos and antineutrinos of all flavors over several seconds, with average energies of 10--25 MeV. In the Sudbury Neutrino Observatory (SNO), which begins operations this year, neutrinos…

High Energy Physics - Phenomenology · Physics 2016-08-25 J. F. Beacom , P. Vogel

The Deep Underground Neutrino Experiment (DUNE) offers strong sensitivity to neutrinos from a Galactic core collapse supernova, providing a powerful probe of neutrino flavor conversion and the neutrino mass ordering. In this work, we study…

High Energy Physics - Phenomenology · Physics 2026-02-05 Adikiran Johny , Athulkrishna R , Rudra Majhi , Suchismita Sahoo

Many particles predicted by extensions of the Standard Model feature interactions with neutrinos, e.g., Majoron-like bosons $\phi$. If the mass of $\phi$ is larger than about 10 keV, they can be produced abundantly in the core of the next…

High Energy Physics - Phenomenology · Physics 2024-06-25 Bernanda Telalovic , Damiano F. G. Fiorillo , Pablo Martínez-Miravé , Edoardo Vitagliano , Mauricio Bustamante

Recent multi-dimensional (multi-D) core-collapse supernova (CCSN) simulations characterize gravitational waves (GWs) and neutrino signals, offering insight into universal properties of CCSN independent of progenitor. Neutrino analysis in…

High Energy Astrophysical Phenomena · Physics 2023-09-04 Hiroki Nagakura , David Vartanyan

The core of a massive star (M > 8 Msun) eventually collapses. This implosion usually triggers a supernova (SN) explosion that ejects most of the stellar envelope and leaves behind a neutron star (NS) with a mass of up to about 2 Msun.…

High Energy Astrophysical Phenomena · Physics 2026-03-31 Georg G. Raffelt , Hans-Thomas Janka , Damiano F. G. Fiorillo

Accurate neutrino transport is crucial for reliably modeling explosive astrophysical events like core-collapse supernovae (CCSNe) and neutron star mergers (NSMs). However, in these extremely neutrino-dense systems, flavor oscillations…

High Energy Astrophysical Phenomena · Physics 2025-08-29 Lucas Johns , Sherwood Richers , Meng-Ru Wu

We consider the neutrino physics of models with a sequentially broken U(2) flavor symmetry. Such theories yield the observed pattern of quark and lepton masses, while maintaining sufficient degeneracies between superparticles of the first…

High Energy Physics - Phenomenology · Physics 2014-11-17 Christopher D. Carone , Lawrence J. Hall

We calculate the distance-dependent performance of a few representative terrestrial neutrino detectors in detecting and measuring the properties of the $\nu_e$ breakout burst light curve in a Galactic core-collapse supernova. The breakout…

High Energy Astrophysical Phenomena · Physics 2016-02-17 Joshua Wallace , Adam Burrows , Joshua C. Dolence

The measurement of the flavor composition of the neutrino fluxes from astrophysical sources has been proposed as a method to study not only the nature of their emission mechanisms, but also the neutrino fundamental properties. It is however…

Astrophysics · Physics 2008-12-18 Paolo Lipari , Maurizio Lusignoli , Davide Meloni

The spectroscopy of electron capture neutrinos emitted from nearby pre-supernova collapsing stars before the neutrino trapping sets in, can yield useful information on the physical conditions and on the nuclear composition of the core. The…

Astrophysics · Physics 2011-05-23 F. K. Sutaria , A. Ray , J. A. Sheikh , P. Ring

In-ice radio-detection is a promising technique to discover and characterize ultra-high-energy (UHE) neutrinos, with energies above 100 PeV, adopted by present - ARA, ARIANNA, and RNO-G - and planned - IceCube-Gen2. So far, their ability to…

High Energy Astrophysical Phenomena · Physics 2024-08-02 Alan Coleman , Oscar Ericsson , Mauricio Bustamante , Christian Glaser

Neutrino-matter cross sections and interaction rates are central to the core-collapse supernova phenomenon and, very likely, to the viability of the explosion mechanism itself. In this paper, we describe the major neutrino scattering,…

Astrophysics · Physics 2009-11-10 Adam Burrows , Sanjay Reddy , Todd A. Thompson

Based on our recent three-dimensional core-collapse supernova (CCSN) simulations including both exploding and non-exploding models, we study the detailed neutrino signals in representative terrestrial neutrino observatories,…

High Energy Astrophysical Phenomena · Physics 2020-10-28 Hiroki Nagakura , Adam Burrows , David Vartanyan , David Radice