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Related papers: Flavor Oscillations in Core-Collapse Supernovae

200 papers

Flavor-dependent neutrino emission is critical to the evolution of a supernova and its neutrino signal. In the dense anisotropic interior of the star, neutrino-neutrino forward-scattering can lead to fast collective neutrino oscillations,…

High Energy Physics - Phenomenology · Physics 2021-02-22 Soumya Bhattacharyya , Basudeb Dasgupta

Light sterile neutrinos, $\nu_s$, are often introduced to explain an anomalous deficit in the electron antineutrino flux from nuclear reactors. If they exist, sterile neutrinos would also be produced in collapsing massive stars through the…

High Energy Astrophysical Phenomena · Physics 2025-04-22 Kanji Mori , Tomoya Takiwaki , Kazunori Kohri , Hiroki Nagakura

We all know that in the dense anisotropic interior of the star, neutrino-neutrino forward-scattering can lead to fast collective neutrino oscillations, which has striking consequences on flavor dependent neutrino emission and can be crucial…

High Energy Physics - Phenomenology · Physics 2021-01-06 Soumya Bhattacharyya

We bring to light a novel mechanism through which turbulent matter density fluctuations can induce collective neutrino flavor conversions in core-collapse supernovae, i.e., the leakage of flavor instabilities between different Fourier…

High Energy Astrophysical Phenomena · Physics 2021-03-03 Sajad Abbar

In this paper we study the dynamics of flavor transformation for neutrinos propagating in the very dense environment of astrophysical compact objects as Type II supernova in post collapse phase and proto-neutron stars. The analysis is based…

High Energy Astrophysical Phenomena · Physics 2012-04-23 Marcello Baldo , Vincenzo Palmisano

The close connection between neutrino physics and the physics explored at rare isotope facilities is explored. The duality between the Hamiltonian describing the self-interacting neutrino gas near the proto-neutron star in a core-collapse…

Nuclear Theory · Physics 2015-06-15 A. B. Balantekin

Core-collapse supernova neutrinos undergo a variety of phenomena when they travel from the high neutrino density region and large matter densities to the Earth. We perform analytical calculations of the supernova neutrino fluxes including…

Solar and Stellar Astrophysics · Physics 2015-05-28 Daavid Väänänen , Cristina Volpe

Principally important for the description the physical processes in the collapsing stellar cores topics are surveyed. They are: the neutrino heat conduction theory, equation of state under the conditions of nuclear statistical equilibrium…

Solar and Stellar Astrophysics · Physics 2013-08-22 D. K. Nadyozhin , A. V. Yudin

Beyond-the-Standard-Model interactions of neutrinos among themselves -- {\it secret interactions} -- in the supernova core may prevent the shock revival, halting the supernova explosion. Besides, if supernova neutrinos en route to Earth…

High Energy Astrophysical Phenomena · Physics 2021-06-16 Shashank Shalgar , Irene Tamborra , Mauricio Bustamante

Core-collapse supernovae may depend sensitively on charged current neutrino interactions in warm, low density neutron rich matter. A proton in neutron rich matter is more tightly bound than is a neutron. This energy shift \Delta U increases…

High Energy Astrophysical Phenomena · Physics 2012-12-21 C. J. Horowitz , G. Shen , Evan O'Connor , Christian Ott

The dense neutrino medium in a core-collapse supernova or a neutron-star merger event can experience fast flavor conversions on time/distance scales that are much smaller than those of vacuum oscillations. It is believed that fast neutrino…

High Energy Astrophysical Phenomena · Physics 2020-01-14 Sajad Abbar , Huaiyu Duan , Kohsuke Sumiyoshi , Tomoya Takiwaki , Maria Cristina Volpe

While an understanding of supernova explosions will require sophisticated large-scale simulations, it is nevertheless possible to outline the most basic features of the neutrino emission resulting from stellar core collapse with a…

Astrophysics · Physics 2007-05-23 Christian Y. Cardall

On February 23, 1987 we collected 24 neutrinos from the explosion of a blue super-giant star in the Large Magellanic Cloud confirming the basic paradigm of core-collapse supernova. During the many years we have been waiting for a repeat of…

High Energy Physics - Phenomenology · Physics 2015-07-07 James P. Kneller

If $\nu_\mu$ or $\nu_\tau$ mix with $\nu_e$, neutrino oscillations and collisions in a supernova (SN) core allow these flavors effectively to participate in $\beta$ equilibrium and thus to obtain a large chemical potential. If a sterile…

Astrophysics · Physics 2009-10-22 G. Raffelt , G. Sigl

Neutrinos propagating in dense neutrino media such as those in core-collapse supernovae can experience fast flavor conversions on scales much shorter than those expected in vacuum. It is believed that a necessary condition for the…

High Energy Astrophysical Phenomena · Physics 2020-05-22 Sajad Abbar

We examine neutrino evolution in astrophysical environments where the neutrino flux is very large, including core-collapse supernovae and neutron star mergers. In these environments, the neutrino-neutrino and neutrino-antineutrino…

High Energy Physics - Phenomenology · Physics 2026-03-13 Joseph Carlson , Alessandro Roggero , Duff Neill

The role of weakly bound neutral clusters, such as dineutrons and tetraneutrons, in matter of high density and high temperature is discussed. Under such conditions, which are characteristic of core-collapse supernovae, the lifetime of…

Nuclear Theory · Physics 2020-04-01 I. V. Panov , A. V. Yudin

New facilities to measure neutrino-nucleus cross sections, such as those possible in conjunction with spallation neutron sources, could provide an experimental foundation for the many neutrino-nucleus weak interaction rates needed in…

Astrophysics · Physics 2008-11-26 W. R. Hix , A. Mezzacappa , O. E. B. Messer , S. W. Bruenn

Dense matter as it can be found in core-collapse supernovae and neutron stars is expected to exhibit different phase transitions which impact the matter composition and equation of state, with important consequences on the dynamics of…

Nuclear Theory · Physics 2015-06-11 F. Gulminelli , Ad. R. Raduta , J. Margueron , P. Papakonstantinou , M. Oertel

Dense matter as it can be found in core-collapse supernovae and neutron stars is expected to exhibit different phase transitions which impact the matter composition and the equation of state, with important consequences on the dynamics of…

Nuclear Theory · Physics 2013-02-18 F. Gulminelli , Ad-R. Raduta , J. Margueron , P. Papakonstantinou , M. Oertel