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Related papers: Flavor Triangle of the Diffuse Supernova Neutrino …

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Fluxes of the diffuse supernova neutrino background (DSNB) are calculated based on a new modeling of galactic chemical evolution, where a variable stellar initial mass function (IMF) depending on the galaxy type is introduced and black hole…

High Energy Astrophysical Phenomena · Physics 2023-08-16 Yosuke Ashida , Ken'ichiro Nakazato , Takuji Tsujimoto

During the shock-wave propagation in a core-collapse supernova (SN), matter turbulence may affect neutrino flavor conversion probabilities. Such effects have been usually studied by adding parametrized small-scale random fluctuations (with…

Solar and Stellar Astrophysics · Physics 2015-06-17 Enrico Borriello , Sovan Chakraborty , Hans-Thomas Janka , Eligio Lisi , Alessandro Mirizzi

In a core collapse supernova, collective oscillations of neutrinos emitted by the proto-neutron star significantly modifies the partition of energy between different flavors in a way which is potentially important for the nucleosynthesis of…

High Energy Astrophysical Phenomena · Physics 2017-03-29 T. Bulmus , Y. Pehlivan

Neutrinos in a core-collapse supernova undergo coherent flavor transformations in their own background. We explore this phenomenon during the cooling stage of the explosion. Our three-flavor calculations reveal qualitatively new effects…

High Energy Physics - Phenomenology · Physics 2010-05-25 Alexander Friedland

We critically examine the ability of future neutrino telescopes, including Baikal-GVD, KM3NeT, P-ONE, TAMBO, and IceCube-Gen2, to determine the flavor composition of high-energy astrophysical neutrinos, ie, the relative number of $\nu_e$,…

High Energy Physics - Phenomenology · Physics 2021-04-28 Ningqiang Song , Shirley Weishi Li , Carlos A. Argüelles , Mauricio Bustamante , Aaron C. Vincent

I shall review some of the recent results concerning the astrophysics of a core collapse supernova (SN) and neutrino oscillations. Neutrinos play an important role in the SN explosion, and they also carry most of the energy of the collapse.…

High Energy Physics - Phenomenology · Physics 2009-11-10 Amol Dighe

The result of a search for neutrino bursts from supernova explosions using the Super-Kamiokande detector is reported. Super-Kamiokande is sensitive to core-collapse supernova explosions via observation of their neutrino emissions. The…

Astrophysics · Physics 2012-08-27 Kamiokande Collaboration , M. Ikeda , A. Takeda , Y. Fukuda , M. R. Vagins

We present a new method by which to retrieve energy spectrum for all flavor of neutrinos from core-collapse supernova (CCSN). In the retrieval process, we do not assume any analytic formulae to express the energy spectrum of neutrinos but…

High Energy Astrophysical Phenomena · Physics 2020-10-28 Hiroki Nagakura

The aim of these notes is to provide a brief review of the topic of neutrino astronomy and in particular of neutrinos from core collapse supernovae. They are addressed to a curious reader, beginning to work in a multidisciplinary area that…

Astrophysics · Physics 2009-11-10 Flavio Cavanna , Maria Laura Costantini , Ornella Palamara , Francesco Vissani

We show that non-standard neutrino self-interactions can lead to total flavor equipartition in a dense neutrino gas, such as those expected in core-collapse supernovae. In this first investigation of this phenomenon in the multi-angle…

High Energy Astrophysical Phenomena · Physics 2023-05-17 Sajad Abbar

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

The Diffuse Supernova Neutrino Background (DSNB) in the MeV regime represents the cumulative cosmic neutrino emission, predominantly due to core collapse supernovae. We estimate the DSNB flux for different Star Formation Rate Density (SFRD)…

High Energy Astrophysical Phenomena · Physics 2020-01-22 Samalka Anandagoda , Dieter H. Hartmann , Marco Ajello , Abhishek Desai

A suite of detectors around the world is poised to measure the flavor-energy-time evolution of the ten-second burst of neutrinos from a core-collapse supernova occurring in the Milky Way or nearby. Next-generation detectors to be built in…

High Energy Physics - Experiment · Physics 2017-12-19 Kate Scholberg

The importance of detecting neutrinos from a Milky Way core-collapse supernova is well known. An under-studied phase is proto-neutron star cooling. For SN 1987A, this seemingly began at about 2 s, and is thus probed by only 6 of the 19…

High Energy Astrophysical Phenomena · Physics 2021-01-27 Shirley Weishi Li , Luke F. Roberts , John F. Beacom

We investigate the collision-induced flavor instability in homogeneous, isotropic, dense neutrino gases in the two-flavor mixing scenario with energy-dependent scattering. We uncover a simple expression of the growth rate of this…

High Energy Physics - Phenomenology · Physics 2023-04-27 Yu-Chia Lin , Huaiyu Duan

The neutrinos from a Type II supernova provide perhaps our best opportunity to probe cosmologically interesting muon and/or tauon neutrino masses. This is because matter enhanced neutrino oscillations can lead to an anomalously hot nu_e…

Astrophysics · Physics 2010-12-02 G. M. Fuller , W. C. Haxton , G. C. McLaughlin

Neutrinos propagating in dense neutrino media such as core-collapse supernovae and neutron star merger remnants can experience the so-called fast flavor conversions on scales much shorter than those expected in vacuum. A very generic class…

High Energy Astrophysical Phenomena · Physics 2022-03-31 Sajad Abbar , Francesco Capozzi

There is a great interest in measuring the non-electronic component of neutrinos from core collapse supernovae by observing, for the first time, also neutral-current reactions. In order to assess the physics potential of the ultra-pure…

Solar and Stellar Astrophysics · Physics 2015-06-18 C. Lujan-Peschard , G. Pagliaroli , F. Vissani

We explore the effects of collective neutrino flavor oscillations due to neutrino-neutrino interactions on the neutrino heating behind a stalled core-collapse supernova shock. We carry out axisymmetric (2D) radiation-hydrodynamic…

Solar and Stellar Astrophysics · Physics 2014-03-06 Basudeb Dasgupta , Evan P. O'Connor , Christian D. Ott

We explore the impact of small-scale flavor conversions of neutrinos, the so-called fast flavor conversions (FFCs), on the dynamical evolution and neutrino emission of core-collapse supernovae (CCSNe). In order to do that, we implement FFCs…

High Energy Astrophysical Phenomena · Physics 2023-05-31 Jakob Ehring , Sajad Abbar , Hans-Thomas Janka , Georg Raffelt , Irene Tamborra
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