Particle decays in the presence of a neutrino background

Abstract

Several non-threshold reactions which may be used to detect the cosmic neutrino background are presented. The corresponding cross sections are calculated analytically within the Standard Model. These reactions are sensitive not only to the electron neutrinos but also to the muon and tau neutrinos. Some possibilities of experimental observation of the neutrino background are indicated.

14 pages, 5 figures. A more detailed discussion on the observability of neutrino capture by muons is added

References in corpus (8)

• Primordial Neutrinos
• Anomaly mediated neutrino-photon interactions at finite baryon density
• Prospects for cosmic neutrino detection in tritium experiments in the case of hierarchical neutrino masses
• Direct Detection of the Cosmic Neutrino Background Including Light Sterile Neutrinos
• Sensitivity of Neutrino Mass Experiments to the Cosmic Neutrino Background
• Study of the Radivative Pion Decay
• Pion stability in a hot dense media
• Exclusive production of pseudoscalar mesons in neutrino-photon interactions