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Related papers: Muonization of supernova matter

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Neutrinos from core collapse supernovae can excite nuclei of some detector materials beyond their neutron emission thresholds. Detection of these neutrons can give valuable information about the supernova explosion mechanism and possibly…

High Energy Physics - Phenomenology · Physics 2021-04-14 Pijushpani Bhattacharjee , Kamales Kar

Neutrinos in a core-collapse supernova can undergo fast flavor conversions with a possible impact on the explosion mechanism and nucleosynthesis. We perform the first non-linear simulations of fast conversions in the presence of three…

High Energy Physics - Phenomenology · Physics 2021-01-04 Francesco Capozzi , Madhurima Chakraborty , Sovan Chakraborty , Manibrata Sen

The sun and core-collapse supernovae produce neutrino spectra that are sensitive to the effects of masses and mixing. Current results from solar neutrino experiments provide perhaps our best evidence for such new neutrino physics, beyond…

Nuclear Theory · Physics 2007-05-23 Wick Haxton

In the upcoming years, present and next-generation gravitational wave observatories will detect a larger number of binary neutron star (BNS) mergers with increasing accuracy. In this context, improving BNS merger numerical simulations is…

High Energy Astrophysical Phenomena · Physics 2023-04-12 Eleonora Loffredo , Albino Perego , Domenico Logoteta , Marica Branchesi

A neutron star harbors of order $10^{56}$ electrons in its core, and almost the same number of muons, with muon decay prohibited by Pauli blocking. However, as macroscopic properties of the star such as its mass, rotational velocity, or…

High Energy Astrophysical Phenomena · Physics 2023-12-15 Joachim Kopp , Toby Opferkuch

Diffuse neutrino fluxes attributed to two different physical processes in core collapse of massive stars are visited with their potentiality of exploring stellar physics more deeply being stressed. In this work, available models of thermal…

High Energy Astrophysical Phenomena · Physics 2026-02-24 Yosuke Ashida

The current picture of the collapse and explosion of massive stars and the formation of neutron stars is reviewed. According to the favored scenario, however by no means proven and undisputed, neutrinos deposit the energy of the explosion…

Astrophysics · Physics 2010-11-19 H. -Th. Janka , K. Kifonidis , M. Rampp

We explore the impact of magnetic field on neutrino-matter interactions in core-collapse supernova. We first derive the modified source terms for neutrino-nucleon scattering and neutrino absorption and emission processes in the moment…

High Energy Astrophysical Phenomena · Physics 2021-01-27 Takami Kuroda

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

All recent numerical simulations agree that stars in the main sequence mass range of 9-40 solar masses do not produce a prompt hydrodynamic ejection of the outer layers after core collapse and bounce. Rather they suggest that stellar core…

Astrophysics · Physics 2009-11-10 M. Liebendoerfer , U. -L. Pen , C. Thompson

We summarize the impact of sterile neutrino dark matter on core-collapse supernova explosions. We explore various oscillations between electron neutrinos or mixed $\mu-\tau$ neutrinos and right-handed sterile neutrinos that may occur within…

High Energy Astrophysical Phenomena · Physics 2016-09-21 MacKenzie L. Warren , Grant J. Mathews , Matthew Meixner , Jun Hidaka , Toshitaka Kajino

Almost 30 years have passed since the successful detection of supernova neutrinos from SN 1987A. In the last decades, remarkable progress has been made in neutrino detection technique, through which it may be possible to detect neutrinos…

High Energy Astrophysical Phenomena · Physics 2020-07-15 Chinami Kato , Koji Ishidoshiro , Takashi Yoshida

The neutrino burst from a galactic supernova can help determine the neutrino mass hierarchy and $\theta_{13}$, and provide crucial information about supernova astrophysics. Here we review our current understanding of the neutrino burst,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Amol Dighe

It has been suggested that a potentially large fraction of supernovae could be accompanied by relativistic outflows that stall below the stellar surface. In this letter we point out that internal shocks that are believed to accelerate…

Astrophysics · Physics 2007-11-30 Hylke B. J. Koers , Ralph A. M. J. Wijers

A core collapse in the Milky Way will produce an enormous burst of neutrinos in detectors world-wide. Such a burst has the potential to provide an early warning of a supernova's appearance. I will describe the nature of the signal, the…

Astrophysics · Physics 2009-06-23 K. Scholberg

We give the first self-consistent calculation of the effect of the scattered neutrino halo on flavor evolution in supernovae. Our example case is an O-Ne-Mg core collapse supernova neutronization neutrino burst. We find that the addition of…

High Energy Astrophysical Phenomena · Physics 2013-05-01 John F. Cherry , J. Carlson , Alexander Friedland , George M. Fuller , Alexey Vlasenko

We would like to discuss prospects for neutrino observations of the core-collapse supernova progenitor during neutrino-cooled stage. We will present new theoretical results on thermal neutrino and antineutrino spectra produced deep inside…

Astrophysics · Physics 2012-06-27 A. Odrzywolek , M. Misiaszek , M. Kutschera

Neutrinos are known to play important roles in many astrophysical scenarios from the early period of the big bang to current stellar evolution being a unique messenger of the fusion reactions occurring in the center of our sun. In…

High Energy Astrophysical Phenomena · Physics 2024-03-05 Tobias Fischer , Gang Guo , Karlheinz Langanke , Gabriel Martinez-Pinedo , Yong-Zhong Qian , Meng-Ru Wu

In this contribution we review the dynamics of hyperons with nucleons and nuclear matter, paying a special attention to hypernuclei. We also discuss the presence of hyperons in the inner core of neutron stars and the consequences for the…

Nuclear Theory · Physics 2022-02-16 Laura Tolos

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