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Related papers: Neutrinos from Diffuse Supernova Background

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Neutrino-dominated accretion flows (NDAFs) are one of the important MeV neutrino sources and significantly contribute to the cosmic diffuse neutrino background. In this paper, we investigate the spectrum of diffuse NDAF neutrino background…

High Energy Astrophysical Phenomena · Physics 2024-03-26 Yun-Feng Wei , Tong Liu , Cui-Ying Song

Sub-GeV neutrinos produced in a stellar core may emerge from main sequence stars, white dwarfs and brown dwarfs producing possible observable signals of dark matter capture. A distribution of these stars near the Milky Way galactic center…

High Energy Physics - Phenomenology · Physics 2025-05-13 Debajit Bose , Rohan Pramanick , Tirtha Sankar Ray

Neutrino-matter cross sections and interaction rates are central to the core-collapse supernova phenomenon and, very likely, to the viability of the explosion mechanism itself. In this paper, we describe the major neutrino scattering,…

Astrophysics · Physics 2009-11-10 Adam Burrows , Sanjay Reddy , Todd A. Thompson

Neutrinos are the least known particle in the Standard Model of elementary particle physics. They play a crucial role in cosmology, governing the universe's evolution and shaping the large-scale structures we observe today. In this chapter,…

Cosmology and Nongalactic Astrophysics · Physics 2024-05-01 Eleonora Di Valentino , Stefano Gariazzo , Olga Mena

Neutrinos emitted during stellar core collapse leading to a supernova are primarily of the electron neutrino type at source which may undergo oscillation between flavor eigenstates during propagation to an earth-bound detector. Although the…

Astrophysics · Physics 2009-10-30 Debasish Majumdar , Kamales Kar , Alak Ray , Amitava Raychaudhuri , Firoza K. Sutaria

Energetic cosmic rays scatter off the cosmic neutrino background throughout the history of the Universe, yielding a diffuse flux of cosmic relic neutrinos boosted to high energies. We calculate this flux under different assumptions of the…

High Energy Physics - Phenomenology · Physics 2025-03-06 Gonzalo Herrera , Shunsaku Horiuchi , Xiaolin Qi

The sources of galactic charged cosmic rays are so far unknown, because their arrival directions are randomized in the galactic magnetic field. Objects accelerating hadrons are expected to produce high-energy neutrinos. In addition, a…

High Energy Astrophysical Phenomena · Physics 2024-05-16 A. Sandrock

Scalar (fermion) dark matter with mass in the MeV range coupled to ordinary neutrinos and another fermion (scalar) is motivated by scenarios that establish a link between radiatively generated neutrino masses and the dark matter relic…

High Energy Physics - Phenomenology · Physics 2015-06-18 Yasaman Farzan , Sergio Palomares-Ruiz

The observation of Earth matter effects in the spectrum of neutrinos coming from a next galactic core-collapse supernova (CCSN) could, in principle, reveal if neutrino mass ordering is normal or inverted. One of the possible ways to…

High Energy Physics - Phenomenology · Physics 2022-01-12 Edwin A. Delgado , Hiroshi Nunokawa , Alexander A. Quiroga

We study the cosmic MeV neutrino background from accretion disks formed during collapsars and the coalescence of compact-object mergers. We provide updated estimates, including detection rates, of relic neutrinos from collapsars, as well as…

High Energy Astrophysical Phenomena · Physics 2019-08-14 T. S. H. Schilbach , O. L. Caballero , G. C. McLaughlin

The existence of the coherent neutrino-nucleus scattering reaction requires to evaluate, for any detector devoted to WIMP searches, the irreducible background due to conventional neutrino sources and at same time, it gives a unique chance…

High Energy Physics - Phenomenology · Physics 2018-08-22 Giovanni De Lellis , Antonia Di Crescenzo , Andrea Gallo Rosso , Valerio Gentile , Francesco Vissani

We estimate the neutrino flux from different kinds of galactic sources and compare it with the recently diffuse neutrino flux detected by IceCube. We find that the flux from these sources may contribute to ~ 20% of the IceCube neutrino…

High Energy Astrophysical Phenomena · Physics 2024-05-13 Silvia Gagliardini , Aurora Langella , Dafne Guetta , Antonio Capone

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

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

Low-energy neutrinos are clean messengers from supernovae explosions and probably carry unique insights into the process of stellar evolution. We estimate the expected number of events considering coherent elastic scattering of neutrinos…

High Energy Physics - Phenomenology · Physics 2020-12-22 Ana Luisa Foguel , Eduardo Souza Fraga , Carla Bonifazi

The detection of neutrinos from SN1987A confirmed the core-collapse nature of SN II, but the neutrinos were not noticed until after the optical discovery. The current generation of neutrino experiments are both much larger and actively…

Astrophysics · Physics 2019-08-14 Alec Habig

Neutrinos from supernovae (SNe) are crucial probes of explosive phenomena at the deaths of massive stars and neutrino physics. High-energy neutrinos are produced through hadronic processes by cosmic rays, which are accelerated during…

High Energy Astrophysical Phenomena · Physics 2023-12-29 Kohta Murase

I give a brief discussion of possible sources of high energy neutrinos of astrophysical origin over the energy range from $\sim 10^{12}$ eV to $\sim 10^{25}$ eV. In particular I shall review predictions of the diffuse neutrino intensity.…

Astrophysics · Physics 2009-10-30 R. J. Protheroe

Development of large mass detectors for low-energy neutrinos and dark matter may allow supernova detection via neutrino-nucleus elastic scattering. An elastic-scattering detector could observe a few, or more, events per ton for a galactic…

Astrophysics · Physics 2009-11-07 C. J. Horowitz , K. J. Coakley , D. N. McKinsey

Dark matter (DM) annihilations in the Galaxy may produce high energy neutrinos, which can be detected by the neutrino telescopes, for example IceCube, ANTARES and Super-Kamiokande. The neutrinos can also arise from hadronic interaction…

Astrophysics · Physics 2009-11-13 Peng-fei Yin , Jia Liu , Qiang Yuan , Xiao-jun Bi , Shou-hua Zhu