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Overwhelming evidence has accumulated in recent years that supernova explosions are intrinsically 3-dimensional phenomena with significant departures from spherical symmetry. We review the evidence derived from spectropolarimetry that has…

Astrophysics · Physics 2008-12-18 Lifan Wang , J. Craig Wheeler

Cosmic rays scattering with neutrinos produced in supernovae induce a flux of supernova neutrinos boosted to high energies. We calculate the neutrino flux arising from this new mechanism in environments with large cosmic-ray and supernova…

High Energy Physics - Phenomenology · Physics 2025-08-19 Gonzalo Herrera , Shunsaku Horiuchi

In this work we consider the effects of Lorentz Invariance Violation over the observed flux of very high-energy neutrinos. For that, we study the neutrino propagation in a Modified Dispersion Relation scenario with a superluminal velocity.…

High Energy Physics - Phenomenology · Physics 2026-01-22 J. M. Carmona , J. L. Cortés , J. J. Relancio , M. A. Reyes

We show that the bump in the electron number density profile at the base of the hydrogen envelope in O-Ne-Mg core-collapse supernovae causes an interesting interplay between neutrino-electron and neutrino-neutrino forward scattering effects…

High Energy Astrophysical Phenomena · Physics 2013-05-30 John F. Cherry , Meng-Ru Wu , Joe Carlson , Huaiyu Duan , George M. Fuller , Yong-Zhong Qian

Core-collapse supernovae are among the most fascinating phenomena in astrophysics and provide a formidable challenge for theoretical investigation. They mark the spectacular end of the lives of massive stars and, in an explosive eruption,…

Solar and Stellar Astrophysics · Physics 2012-11-08 H. -Thomas Janka , Florian Hanke , Lorenz Huedepohl , Andreas Marek , Bernhard Mueller , Martin Obergaulinger

A precise description of neutrino-nucleus reactions will play a key role in addressing fundamental questions such as the leptonic CP violation and the neutrino mass hierarchy through analyzing data from next-generation neutrino oscillation…

Nuclear Theory · Physics 2017-04-12 S. X. Nakamura , H. Kamano , Y. Hayato , M. Hirai , W. Horiuchi , S. Kumano , T. Murata , K. Saito , M. Sakuda , T. Sato , Y. Suzuki

The quantitative description of the effects of nuclear dynamics on the measured neutrino-nucleus cross sections -- needed to reduce the systematic uncertainty of long baseline neutrino oscillation experiments -- involves severe…

Nuclear Theory · Physics 2015-08-19 Omar Benhar , Noemi Rocco

We calculate the differential scattering rate for thermal neutrinos in a hot and dilute gas of interacting neutrons using linear response theory. The dynamical structure factors for density and spin fluctuations of the strongly interacting…

Nuclear Theory · Physics 2018-08-08 Paulo F. Bedaque , Sanjay Reddy , Srimoyee Sen , Neill C. Warrington

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

We investigate the effects of fluctuations of the nuclear surface on the harmonic oscillator elastic charge form factor of light nuclei, while simultaneously approximating the short-range correlations through a Jastrow correlation ~factor.…

Nuclear Theory · Physics 2009-10-28 S. E. Massen , V. P. Garistov , M. E. Grypeos

Weak magnetism increases antineutrino mean free paths in core collapse supernovae. The parity violating interference between axial and vector currents makes antineutrino-nucleon cross sections smaller then those for neutrinos. We calculate…

Astrophysics · Physics 2014-10-13 C. J. Horowitz

Neutrinos play a critical role of transporting energy and changing the lepton density within core-collapse supernovae and neutron star mergers. The quantum kinetic equations (QKEs) combine the effects of neutrino-matter interactions treated…

High Energy Astrophysical Phenomena · Physics 2024-09-13 Sherwood A. Richers , Gail C. McLaughlin , James P. Kneller , Alexey Vlasenko

{We calculate the neutrino emissivity of superfluid neutron matter in the inner crust of neutron stars. We find that neutrino emission due to fluctuations resulting from the formation of Cooper pairs at finite temperature is highly…

Nuclear Theory · Physics 2009-01-21 Andrew W. Steiner , Sanjay Reddy

The effects of three-flavor neutrino oscillation on the supernova neutrino spectrum are studied. We calculate the expected event rate and energy spectra, and their time evolution at the Superkamiokande (SK) and the Sudbury Neutrino…

High Energy Physics - Phenomenology · Physics 2010-05-28 K. Takahashi , M. Watanabe , K. Sato , T. Totani

The diffuse supernova neutrino background (DSNB) is the constant flux of neutrinos and antineutrinos emitted by all past core collapses in the observable Universe. We study the potential to extract information on the neutrino lifetime from…

High Energy Physics - Phenomenology · Physics 2024-01-29 Pilar Iváñez-Ballesteros , M. Cristina Volpe

Neutrinos play a crucial role in the core-collapse supernova (CCSN) explosion mechanism. The requirement of accurately calculating the transport of neutrinos makes simulations of the CCSN mechanism extremely challenging and computationally…

High Energy Astrophysical Phenomena · Physics 2018-12-05 Kuo-Chuan Pan , Carlos Mattes , Evan P. O'Connor , Sean M. Couch , Albino Perego , Almudena Arcones

The effect of fluctuations on the nuclear magnetic resonance (NMR) relaxation rate, $W$, is studied in a complete phase diagram of a 2D superconductor above the upper critical field line $H_{c2}(T)$ . In the region of relatively high…

Superconductivity · Physics 2015-09-02 Andreas Glatz , Alexey Galda , Andrey A. Varlamov

If neutrino flavor changes really exist, to say: $\mu$-neutrino oscillating into a sterile neutrino, then, it can be expected that due to neutrino oscillations and non-spherical distortion of the resonance surface induced by the magnetic…

Astrophysics · Physics 2007-05-23 Herman J. Mosquera Cuesta

Large amplitude oscillations between the states of a quantum system can be stimulated by sinusoidal external potentials with frequencies that are similar to the energy level splitting of the states or a fraction thereof. Situations when the…

High Energy Physics - Phenomenology · Physics 2015-06-04 James P. Kneller , Gail C. McLaughlin , Kelly M. Patton

Anisotropic neutrino emission from a core-collapse supernova (CCSN) causes a permanent change in the local space-time metric, called the gravitational wave (GW) memory. Long considered unobservable, this effect will be detectable in the…

High Energy Astrophysical Phenomena · Physics 2022-05-18 Mainak Mukhopadhyay