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TINY

Financiado

Two Isotopes for Neutrinoless double beta decaY search

The TINY experiment will focus on the investigation of neutrinoless double beta decay (0n2b) with 96Zr and 150Nd isotopes. The search for 0n2b is a hot topic in particle physics, as the discovery of this rare nuclear process would... ver más

31/08/2028

CEA

2M€

Presupuesto del proyecto: 2M€

Líder del proyecto

COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENER... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

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Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2023-08-29

Línea de financiación objetivo El proyecto se financió a través de la siguiente ayuda:

ERC-2022-STG: ERC STARTING GRANTS

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Cerrada hace 2 años

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1 Participantes

CEA

2.41M€ | Lider

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Últimas noticias

25-11-2024: ECE En las últimas 48 horas el Organismo ECE ha otorgado 52 concesiones

25-11-2024: CMVAMADRID En las últimas 48 horas el Organismo CMVAMADRID ha otorgado 1 concesiones

25-11-2024: FUNDACION-EOI En las últimas 48 horas el Organismo FUNDACION EOI ha otorgado 6 concesiones

Duración del proyecto: 60 meses Fecha Inicio: 2023-08-29
Fecha Fin: 2028-08-31

Presupuesto del proyecto 2M€

Descripción del proyecto The TINY experiment will focus on the investigation of neutrinoless double beta decay (0n2b) with 96Zr and 150Nd isotopes. The search for 0n2b is a hot topic in particle physics, as the discovery of this rare nuclear process would establish the Majorana nature of neutrino, fix the neutrino mass scale, and prove lepton number non-conservation, setting the grounds for new physics beyond the Standard Model. The current and near-future large-scale searches for 0n2b do not include the nuclei chosen for the TINY project, due to the unavailability of an appropriate scalable detector technology for these candidates. Both 96Zr and 150Nd have the crucial advantage of very high transition energy for the 0n2b process, which would allow obtaining a higher sensitivity to the effective Majorana mass compared to other isotope candidates. Bolometric detectors with high energy resolution and active particle identification will be developed during the project execution. 96Zr will be embedded into ZrO2 crystals, measured with thermal sensors and coupled to auxiliary light detectors for active alpha particles rejection. 150Nd will be studied with magnetic NdGaO3 absorbers and athermal phonon sensors. Particle identification will be achieved via pulse shape discrimination. The first ever efficient measurement of a magnetic compound as a bolometer will open the way to new opportunities in low-temperature particle detection. The TINY pilot experiment, consisting of a-few-kg scale underground demonstrator, will be able to set the best limits worldwide on the 0n2b half-lives for both 96Zr and 150Nd isotopes. Very low background in the region of interest will be obtained thanks to high transition energy and alpha rejection. Not only will this project be competitive in the international context on a short time scale, but also it will open up new perspectives for ton-scale experiments that can surpass any existing technology in terms of sensitivity to the Majorana neutrino mass.

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