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- Title
MARE-1 in Milan: Status and Perspectives.
- Authors
Ferri, E.; Arnaboldi, C.; Ceruti, G.; Faverzani, M.; Gatti, F.; Giachero, A.; Gotti, C.; Kilbourne, C.; Kraft-Bermuth, S.; Nucciotti, A.; Pessina, G.; Schaeffer, D.; Sisti, M.
- Abstract
The international project MARE (Microcalorimeter Array for a Rhenium Experiment) aims at the direct and calorimetric measurement of the electron neutrino mass with sub-eV sensitivity. Although the baseline of the MARE project consists in a large array of rhenium based thermal detectors, a different option for the isotope is also being considered. The different option is Ho. The potential of using Re for a calorimetric neutrino mass experiment has been already demonstrated. On the contrary, no calorimetric spectrum of Ho has been so far measured with the precision required to set a useful limit on the neutrino mass. The first phase of the project (MARE-1) is a collection of activities with the aim of sorting out both the best isotope and the most suited detector technology to be used for the final experiment. One of the MARE-1 activities is carried out in Milan by the group of Milano-Bicocca in collaboration with NASA/GSFC and Wisconsin groups. The Milan MARE-1 arrays are based on semiconductor thermistors, provided by the NASA/GSFC group, with dielectric silver perrhenate absorbers, AgReO. The experiment, which is presently being assembled, is designed to host up to 8 arrays. With 288 detectors, a sensitivity of 3 eV at 90% CL on the neutrino mass can be reached within 3 years. This contribution gives an outlook for the MARE activities for the active isotope selection. In this contribution the status and the perspectives of the MARE-1 in Milan are also reported.
- Subjects
MILAN (Italy); ITALY; NEUTRINO mass; DETECTORS; CALORIMETERS; RHENIUM; LOW temperature engineering; RADIOISOTOPES
- Publication
Journal of Low Temperature Physics, 2012, Vol 167, Issue 5/6, p1035
- ISSN
0022-2291
- Publication type
Article
- DOI
10.1007/s10909-011-0421-6