Diffuse Cosmic Neutrino Background from Population III Stars

Abstract

We study the expected diffuse cosmic neutrino flux produced by Population III (PopIII) stars during their nuclear burning phases as well as from their final stages of evolution (core collapse). Assuming a fraction f_III=10^(-3) of all baryons forms PopIII stars, our flux estimate is comparable to the diffuse neutrino flux produced by the ordinary stars and by the ordinary core-collapse supernovae in the universe, i.e. of order 1-10 cm^(-2) s^(-1). Due to the large cosmic redshift, however, the typical energies are in the MeV and sub-MeV range where the solar and geophysical neutrino fluxes are much larger. A direct detection of the diffuse cosmic flux is out of the question with presently known experimental techniques.

17 pages, 7 figures

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Cited by in corpus (24)

• The Diffuse Supernova Neutrino Background
• Stochastic Gravitational Wave Background from Cosmological Supernovae
• Diffuse supernova neutrinos at underground laboratories
• Dark matter annihilation effects on the first stars
• Magnetorotational Collapse of Population III Stars
• Diffuse Supernova Neutrino Background from extensive core-collapse simulations of $8$-$100{\mathrm{M}}_{\odot }$ progenitors
• Gravitational Waves from the First Stars
• Hierarchical Growth and Cosmic Star Formation: Enrichment, Outflows and Supernova Rates
• Dips in the Diffuse Supernova Neutrino Background
• Synoptic Sky Surveys and the Diffuse Supernova Neutrino Background: Removing Astrophysical Uncertainties and Revealing Invisible Supernovae
• Neutrino Spectrum from SN 1987A and from Cosmic Supernovae
• Impact of binary interactions on the diffuse supernova neutrino background
• High Energy neutrino signals from the Epoch of Reionization
• Gravitational Collapse and Neutrino Emission of Population III Massive Stars
• Upper limits on the diffuse supernova neutrino flux from the SuperKamiokande data
• New Test of Supernova Electron Neutrino Emission using Sudbury Neutrino Observatory Sensitivity to the Diffuse Supernova Neutrino Background
• Neutrino Signatures from the First Stars
• High Energy Neutrino Emission from the Earliest Gamma-Ray Bursts
• Diffuse neutrino background from past core-collapse supernovae
• Impact of late-time neutrino emission on the diffuse supernova neutrino background
• Impact of Rotation on Neutrino Emission and Relic Neutrino Background from Population III Stars
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• The Relic Neutrino Backround from the First Stars