The cosmic neutrino background is a central prediction of standard cosmology. Neutrino capture on tritium has emerged as a promising method for detecting it. We present the PTOLEMY experiment, aiming at the detection of relic neutrinos in this aproach. In addition, we will discuss the potential physics reach of a PTOLEMY-like experiment, like Majorana vs. Dirac neutrinos, clustering and annual modulation, and sterile neutrinos.
articles:
http://fr.arxiv.org/abs/1307.4738 Development of a Relic Neutrino Detection Experiment at PTOLEMY: Princeton Tritium Observatory for Light, Early-Universe, Massive-Neutrino Yield
http://fr.arxiv.org/abs/1404.0680 Annual Modulation of Cosmic Relic Neutrinos
http://fr.arxiv.org/abs/1407.0393 Measuring Anisotropies in the Cosmic Neutrino Background
SPP