Detection Prospects of the Cosmic Neutrino Background

Abstract

The existence of the cosmic neutrino background (CnuB) is a fundamental prediction of the standard Big Bang cosmology. Although current cosmological probes provide indirect observational evidence, the direct detection of the CnuB in a laboratory experiment is a great challenge to the present experimental techniques. We discuss the future prospects for the direct detection of the CnuB, with the emphasis on the method of captures on beta-decaying nuclei and the PTOLEMY project. Other possibilities using the electron-capture (EC) decaying nuclei, the annihilation of extremely high-energy cosmic neutrinos (EHEC\nus) at the Z-resonance, and the atomic de-excitation method are also discussed in this review.

arXiv comment10 pages, 5 figures, to be published in the Proceedings of International Conference on Massive Neutrinos, Singapore, February 9-13, 2015

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Cited by in corpus (5)

• A White Paper on keV Sterile Neutrino Dark Matter
• Neutrino Mass Ordering from Oscillations and Beyond: 2018 Status and Future Prospects
• Calculation of the local density of relic neutrinos
• Relic neutrinos: Antineutrinos of Primordial Nucleosynthesis
• Spectral features of non-equilibrium antineutrinos of primordial nucleosynthesis