The European Research Council has recently funded HOLMES, a new experiment to directly measure the neutrino mass. HOLMES will perform a calorimetric measurement of the energy released in the decay of 163Ho. The calorimetric measurement eliminates systematic uncertainties arising from the use of external beta sources, as in experiments with beta spectrometers. This measurement was proposed in 1982 by A. De Rujula and M. Lusignoli, but only recently the detector technological progress allowed to design a sensitive experiment. HOLMES will deploy a large array of low temperature microcalorimeters with implanted 163Ho nuclei. The resulting mass sensitivity will be as low as 0.4 eV. HOLMES will be an important step forward in the direct neutrino mass measurement with a calorimetric approach as an alternative to spectrometry. It will also establish the potential of this approach to extend the sensitivity down to 0.1 eV. We outline here the project with its technical challenges and perspectives.

Alpert, B., Balata, M., Bennett, D., Biasotti, M., Boragno, C., Brofferio, C., et al. (2015). HOLMES: The electron capture decay of 163Ho to measure the electron neutrino mass with sub-eV sensitivity. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 75(3), 1-11 [10.1140/epjc/s10052-015-3329-5].

HOLMES: The electron capture decay of 163Ho to measure the electron neutrino mass with sub-eV sensitivity

BROFFERIO, CHIARA;DAY, PETER KENNETH;FAVERZANI, MARCO;FERRI, ELENA;GIACHERO, ANDREA;MAINO, MATTEO;NIZZOLO, RICCARDO;NUCCIOTTI, ANGELO ENRICO LODOVICO;PESSINA, GIANLUIGI EZIO;PUIU, PAUL ANDREI;RAGAZZI, STEFANO;SISTI, MONICA;TERRANOVA, FRANCESCO;
2015

Abstract

The European Research Council has recently funded HOLMES, a new experiment to directly measure the neutrino mass. HOLMES will perform a calorimetric measurement of the energy released in the decay of 163Ho. The calorimetric measurement eliminates systematic uncertainties arising from the use of external beta sources, as in experiments with beta spectrometers. This measurement was proposed in 1982 by A. De Rujula and M. Lusignoli, but only recently the detector technological progress allowed to design a sensitive experiment. HOLMES will deploy a large array of low temperature microcalorimeters with implanted 163Ho nuclei. The resulting mass sensitivity will be as low as 0.4 eV. HOLMES will be an important step forward in the direct neutrino mass measurement with a calorimetric approach as an alternative to spectrometry. It will also establish the potential of this approach to extend the sensitivity down to 0.1 eV. We outline here the project with its technical challenges and perspectives.
Articolo in rivista - Articolo scientifico
Microcalorimeter Detectors; Mare Experiment; Nuclear-Data; Probabilities
English
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Alpert, B., Balata, M., Bennett, D., Biasotti, M., Boragno, C., Brofferio, C., et al. (2015). HOLMES: The electron capture decay of 163Ho to measure the electron neutrino mass with sub-eV sensitivity. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 75(3), 1-11 [10.1140/epjc/s10052-015-3329-5].
Alpert, B; Balata, M; Bennett, D; Biasotti, M; Boragno, C; Brofferio, C; Ceriale, V; Corsini, D; Day, P; De Gerone, M; Dressler, R; Faverzani, M; Ferri, E; Fowler, J; Gatti, F; Giachero, A; Hays Wehle, J; Heinitz, S; Hilton, G; Köster, U; Lusignoli, M; Maino, M; Mates, J; Nisi, S; Nizzolo, R; Nucciotti, A; Pessina, G; Pizzigoni, G; Puiu, P; Ragazzi, S; Reintsema, C; Gomes, M; Schmidt, D; Schumann, D; Sisti, M; Swetz, D; Terranova, F; Ullom, J
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/96946
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