Status of the MARE experiment in Milan

An international collaboration has grown around the project of Microcalorimeter Arrays for a Rhenium Experiment (MARE) for a direct and calorimetric measurement of the electron antineutrino mass with sub-electronvolt sensitivity. MARE is divided into two phases. The first phase (MARE-1) consists of...

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Bibliographic Details
Main Authors: Ferri, E, Arnaboldi, C, Ceruti, G, Kilbourne, C, Kraft-Bermuth, S, Nucciotti, A, Pessina, G, Schaeffer, D
Format: Conference Proceeding
Language:English
Subjects:
CALORIMETERS
CALORIMETRY
CRYOGENICS
ELECTRON ANTINEUTRINOS
EV RANGE
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
MULTIPARTICLE SPECTROMETERS
NEUTRINO DETECTION
PARTICLE IDENTIFICATION
RADIATION DETECTORS
REST MASS
RHENIUM
RHENIUM OXIDES
SENSITIVITY
SILICON
SILVER COMPOUNDS
SUPERCONDUCTING DEVICES
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Summary:An international collaboration has grown around the project of Microcalorimeter Arrays for a Rhenium Experiment (MARE) for a direct and calorimetric measurement of the electron antineutrino mass with sub-electronvolt sensitivity. MARE is divided into two phases. The first phase (MARE-1) consists of two independent experiments using the presently available detector technology to reach a sensitivity of m(v) , 2 eV/c2. The goal of the second phase (MARE-2) is to achieve a sub-electronvolt sensitivity on the neutrino mass. The Milan MARE-1 experiment is based on arrays of silicon implanted microcalorirneters, produced by NASA/GSFC, with dielectric silver perrhenate absorbers, AgReO4. We present here the status of MARE-1 in Milan which is starting data taking with 2 arrays (72 detectors). In this configuration a sensitivity of about 5 eV can be achieved in two years. We describe in details the experimental setup which is designed to host up to 8 arrays (288 detectors). With 8 arrays, two years of measurement would improve the sensitivity to about 3 eV. This talk reports on the activity of the group for the MARE project in Milan.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.3292405