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Content archived on 2024-06-18

Direct neutrino mass determination with cryogenic microcalorimeters

Objective

Highly-sensitive energy detectors are a frontier and challenging R&D topic. Cryogenic microcalorimeters are currently the best detector candidates for X-rays, electrons, nuclear recoil, etc. The future direct neutrino mass determination international and funded experiments are using this technology. While the microcalorimeter operating principle is simple, the full detector performance and optimization, is not trivial, and still currently being under R&D. The theoretical predictions for its optimum performance has not been experimental reached and the modelling of such a behaviour is a state-of-the-art complex fundamental superconductivity topic, but also a key element for the detector performance and noise assessment. The intrinsic vortex dynamics and intermediate state evolution, within the superconducting film volume, are fundamental features to clarify for pushing an experimental detector sensitivity to the sub-eV sensitivity threshold necessary to MARE. The proposed work focuses on two topics: the better understanding of the superconducting-to-normal phase transition of the sensor, absorber and overall microcalorimeter; low noise high-sensitive unconventional microcalorimeter readout electronics. In particular, the study of superconducting transition edge sensors and its phase transition induced by radiation, while in a current biased mode. The scientific programme of this proposal is part of the MARE scientific programme performed by the international collaboration.

Fields of science (EuroSciVoc)

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Keywords

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Topic(s)

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Call for proposal

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FP7-PEOPLE-2007-2-2-ERG
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Funding Scheme

Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.

MC-ERG - European Re-integration Grants (ERG)

Coordinator

FUNDACAO DA UNIVERSIDADE DE LISBOA
EU contribution
€ 45 000,00
Address
Alameda da Universidade, Reitoria da Universidade de Lisboa
1649-004 LISBOA
Portugal

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Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

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