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Published July 15, 2015 | Published
Book Section - Chapter Open

How difficult it would be to detect cosmic neutrino background?


Possible ways of detecting the cosmic neutrino background are described and their difficulties discussed. Among them, the capture on the radioactive tritium nuclei is challenging, but perhaps doable. The principal difficulty is the need for the combination of a very strong source and very good detector resolution. It is argued that if it turns out that the neutrino masses follow the degenerate scenario, i.e. if m_v ≥ 0.1 eV for all three massive neutrinos, then it is important to devote a substantial effort to develop a realistic detection experiment.

Additional Information

© 2015 AIP Publishing LLC. Collaboration with Cristina Volpe and Rimas Lazauskas are gratefully acknowledged. This work was supported in part by the National Science Foundation NSF-1205977 and the Physics Department, California Institute of Technology.

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