Volume 398 - The European Physical Society Conference on High Energy Physics (EPS-HEP2021) - T04: Neutrino Physics
The Electron Capture in 163 Ho Experiment - a Short Update
N. Kovac*, F. Ahrens, A. Barth, S. Berndt, K. Blaum, M. Brass, E. Bruer, M. Door, H. Dorrer, C. Düllmann, S.M. Eliseev, C. Enss, P. Filianin, A. Fleischmann, L. Gastaldo, A. Göggelmann, M. Griedel, R. Hammann, M. Haverkort, D. Hengstler, M. Herbst, W. Holzmann, J. Jochum, K. Johnston, N. Karcher, S. Kempf, T. Kieck, N. Kneip, U. Köster, K. Kromer, F. Mantegazzini, B. Marsh, M. Neidig, Y. Novikov, A. Reifenberger, D. Richter, S. Rothe, O. Sander, R. Schüssler, C. Schweiger, T. Stora, C. Velte, M. Weber, M. Wegner, K. Wendt and T. Wickenhäuseret al. (click to show)
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Pre-published on: March 15, 2022
Published on: May 12, 2022
Abstract
The definition of the absolute neutrino mass scale is one of the main goals of the Particle Physics today.
The study of the end-point regions of the $\beta$- and electron capture (EC) spectrum offers a possibility to determine the effective electron (anti-)neutrino mass in a completely model independent way, as it only relies on the energy and momentum conservation.
The ECHo (Electron Capture in $^{163}$Ho) experiment has been designed in the attempt to measure the effective mass of the electron neutrino by performing high statistics and high energy resolution measurements of the $^{163}$Ho electron capture spectrum. To achieve this goal, large arrays of low temperature metallic magnetic calorimeters (MMCs) implanted with with $^{163}$Ho are used.
Here we report on the structure and the status of the experiment.
DOI: https://doi.org/10.22323/1.398.0211
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