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The neutrinos emitted from the proto-neutron star created in a core-collapse supernova must run through a significant amount of turbulence before exiting the star. Turbulence can modify the flavor evolution of the neutrinos imprinting…

High Energy Physics - Phenomenology · Physics 2015-07-22 James P. Kneller , Neel V. Kabadi

Neutrino oscillations affect light element synthesis through the neutrino-process in supernova explosions. The 7Li and 11B yields produced in a supernova explosion of a 16.2 solar-mass star model increase by factors of 1.9 and 1.3 in the…

Astrophysics · Physics 2008-11-26 T. Yoshida , T. Kajino , H. Yokomakura , K. Kimura , A. Takamura , D. H. Hartmann

In core-collapse supernovae, neutrinos and antineutrinos are initially subject to significant self-interactions induced by weak neutral currents, which may induce strong-coupling effects on the flavor evolution (collective transitions). The…

High Energy Physics - Phenomenology · Physics 2008-09-19 G. L. Fogli , E. Lisi , A. Marrone , A. Mirizzi

(Abridged) We present results from dynamical models of core-collapse supernovae in one spatial dimension, employing a newly-developed Boltzmann neutrino radiation transport algorithm, coupled to Lagrangean hydrodynamics and a consistent…

Astrophysics · Physics 2009-11-07 Todd A. Thompson , Adam Burrows , Philip A. Pinto

We calculate coherent neutrino and antineutrino flavor transformation in the supernova environment, for the first time including a self-consistent treatment of forward scattering-induced coupling and entanglement of intersecting…

Astrophysics · Physics 2008-11-26 Huaiyu Duan , George M. Fuller , J. Carlson , Yong-Zhong Qian

We present results of large-scale numerical simulations of the evolution of neutrino and antineutrino flavors in the region above the late-time post-supernova-explosion proto-neutron star. Our calculations are the first to allow explicit…

Astrophysics · Physics 2007-05-23 Huaiyu Duan , George M. Fuller , J Carlson , Yong-Zhong Qian

The supernova (SN) neutronization phase produces mainly electron ($\nu_e$) neutrinos, the oscillations of which must take place within a few mean-free-paths of their resonance surface located nearby their neutrinosphere. The…

Astrophysics · Physics 2009-11-13 Herman J. Mosquera Cuesta , Gaetano Lambiase

In the dense supernova core, self-interactions may align the flavor polarization vectors of neutrinos and antineutrinos, and induce collective flavor transformations. Different alignment ansatzes are known to describe approximately the…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. L. Fogli , E. Lisi , A. Marrone , A. Mirizzi , I. Tamborra

In this review, the effect of flavor oscillations on the neutrinos released during supernova explosion after core collapse is described. In some scenarios there are large enhancement of the number of events compared to the no oscillation…

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

A core-collapse supernova (SN) releases almost all of its energy in the form of neutrinos, which provide a unique opportunity to probe the working machinery of a SN. These sites are prone to neutrino-neutrino refractive effects, which can…

High Energy Physics - Phenomenology · Physics 2024-06-03 Manibrata Sen

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

We study the impact of a small-scale dynamo in core-collapse supernovae using a 3D neutrino magnetohydrodynamics simulation of a $15 M_\odot$ progenitor. The weak seed field is amplified exponentially in the gain region once neutrino-driven…

High Energy Astrophysical Phenomena · Physics 2020-08-11 Bernhard Müller , Vishnu Varma

Multi-dimensional core-collapse supernova simulations exhibit turbulence of large amplitude and over large scales. As neutrinos pass through the supernova mantle the turbulence is expected to modify their evolution compared to the case…

High Energy Physics - Phenomenology · Physics 2010-12-24 James P. Kneller , Cristina Volpe

We present a linear stability analysis of the fast-pairwise neutrino flavor conversion based on a result of our latest axisymmetric core-collapse supernova (CCSN) simulation with full Boltzmann neutrino transport. In the CCSN simulation,…

High Energy Astrophysical Phenomena · Physics 2020-01-08 Hiroki Nagakura , Taiki Morinaga , Chinami Kato , Shoichi Yamada

We present a comprehensive study of neutrino shock acceleration in core-collapse supernova (CCSN). The leading players are heavy leptonic neutrinos, $\nu_{\mu}$ and $\nu_{\tau}$; the former and latter potentially gain the energy up to $\sim…

High Energy Astrophysical Phenomena · Physics 2021-01-13 Hiroki Nagakura , Kenta Hotokezaka

We investigate the effect of matter density fluctuations on supernova collective neutrino flavor oscillations. In particular, we use full multi-angle, 3-flavor, self-consistent simulations of the evolution of the neutrino flavor field in…

High Energy Astrophysical Phenomena · Physics 2013-05-29 John F. Cherry , Meng-Ru Wu , Joe Carlson , Huaiyu Duan , George M. Fuller , Yong-Zhong Qian

We examine the flavor evolution of neutrinos emitted from the disk-like remnant (hereafter called \lq\lq neutrino disk\rq\rq) of a binary neutron star (BNS) merger. We specifically follow the neutrinos emitted from the center of the disk,…

High Energy Astrophysical Phenomena · Physics 2017-08-08 James Y. Tian , Amol V. Patwardhan , George M. Fuller

Nonstandard interactions (NSI) of neutrinos with matter can significantly alter neutrino flavor evolution in supernovae with the potential to impact explosion dynamics, nucleosynthesis, and the neutrinos signal. In this paper, we explore,…

High Energy Physics - Phenomenology · Physics 2016-12-07 Charles J. Stapleford , Daavid J. Väänänen , James P. Kneller , Gail C. McLaughlin , Brandon T. Shapiro

The collapse of supermassive stars (SMSs, $M\gtrsim10^4\,M_\odot$) to black holes is accompanied by a prodigious flux of neutrinos of all flavors. These are produced thermally via $e^\pm$ annihilations, mostly in the core and just before…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-07 Kyle S. Kehrer , George M. Fuller , Ian Padilla-Gay , Chad T. Kishimoto

Core-collapse supernovae are, despite their spectacular visual display, neutrino events. Virtually all of the 10^53 ergs of gravitational binding energy released in the formation of the nascent neutron star is carried away in the form of…

Astrophysics · Physics 2009-09-25 O. E. B. Messer , A. Mezzacappa , S. W. Bruenn , M. W. Guidry