Results from the Project 8 phase-1 cyclotron radiation emission spectroscopy detector
Abstract
The Project 8 collaboration seeks to measure the absolute neutrino mass scale by means of precision spectroscopy of the beta decay of tritium. Our technique, cyclotron radiation emission spectroscopy, measures the frequency of the radiation emitted by electrons produced by decays in an ambient magnetic field. Because the cyclotron frequency is inversely proportional to the electron's Lorentz factor, this is also a measurement of the electron's energy. In order to demonstrate the viability of this technique, we have assembled and successfully operated a prototype system, which uses a rectangular waveguide to collect the cyclotron radiation from internal conversion electrons emitted from a gaseous Kr source. Here we present the main design aspects of the first phase prototype, which was operated during parts of 2014 and 2015. We will also discuss the procedures used to analyze these data, along with the features which have been observed and the performance achieved to date.
Keywords
Cite
@article{arxiv.1703.05760,
title = {Results from the Project 8 phase-1 cyclotron radiation emission spectroscopy detector},
author = {A Ashtari Esfahani and S Böser and C Claessens and L de Viveiros and P J Doe and S Doeleman and M Fertl and E C Finn and J A Formaggio and M Guigue and K M Heeger and A M Jones and K Kazkaz and B H LaRoque and E Machado and B Monreal and J A Nikkel and N S Oblath and R G H Robertson and L J Rosenberg and G Rybka and L Saldaña and P L Slocum and J R Tedeschi and T Thümmler and B A Vandevender and M Wachtendonk and J Weintroub and A Young and E Zayas},
journal= {arXiv preprint arXiv:1703.05760},
year = {2017}
}
Comments
3 pages; 2 figures; Proceedings of Neutrino 2016, XXVII International Conference on Neutrino Physics and Astrophysics, 4-9 July 2016, London, UK