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Low-background Underground Cryogenic Installation For Elusive Rates

Objective

In the field of fundamental particle physics the neutrino has become more and more important in the last few years, since the discovery of its mass. In particular, the ultimate nature of the neutrino (if it is a Dirac or a Majorana particle) plays a crucial role not only in neutrino physics, but in the overall framework of fundamental particle interactions and in cosmology. The only way to disentangle its ultimate nature is to search for the so-called Neutrinoless Double Beta Decay (0½DBD). The goal of LUCIFER is to build a background-free 0½DBD experiment with a discovery potential better than the future, already approved, funded experiments. Although aiming at a discover, in the case of insufficient sensitivity the LUCIFER technique will be the demonstrator for a higher mass experiment able to probe the entire inverted hierarchy region of the neutrino mass and to start approaching the direct one. The idea of LUCIFER is to join the bolometric technique proposed for the CUORE experiment (one of the few 0½DBD experiments in construction world-wide) with the bolometric light detection technique used in cryogenic dark matter experiments. The bolometric technique allows an extremely good energy resolution while its combination with the scintillation detection offers an ultimate tool for background rejection. Preliminary tests on several 0½DBD detectors have clearly demonstrated the excellent background rejection capabilities that arise from the simultaneous, independent, double readout (heat + scintillation).

Call for proposal

ERC-2009-AdG
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Host institution

ISTITUTO NAZIONALE DI FISICA NUCLEARE
Address
Via Enrico Fermi 54
00044 Frascati
Italy
Activity type
Research Organisations
EU contribution
€ 3 294 400
Principal investigator
Fernando Ferroni (Prof.)
Administrative Contact
Sabina Pellizzoni (Dr.)

Beneficiaries (1)

ISTITUTO NAZIONALE DI FISICA NUCLEARE
Italy
EU contribution
€ 3 294 400
Address
Via Enrico Fermi 54
00044 Frascati
Activity type
Research Organisations
Principal investigator
Fernando Ferroni (Prof.)
Administrative Contact
Sabina Pellizzoni (Dr.)