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BINGO

Financiado

Bi Isotope 0n2b Next Generation Observatory

BINGO will set the grounds for a large-scale bolometric experiment searching for neutrinoless double beta decay with a background index of about 10-5 counts/(keV kg y) and with very high energy resolution – of the order of 1.5‰ –... ver más

31/03/2026

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

Ver 2 Participantes

Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2020-04-21

ERC-2019-COG: ERC Consolidator Grant

I+D

Cerrada hace 5 años

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2 Participantes

CEA

2.42M€ | Lider

INNAVES

249.00K€ | Participante

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Duración del proyecto: 71 meses Fecha Inicio: 2020-04-21
Fecha Fin: 2026-03-31

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

Presupuesto del proyecto 2M€

Descripción del proyecto BINGO will set the grounds for a large-scale bolometric experiment searching for neutrinoless double beta decay with a background index of about 10-5 counts/(keV kg y) and with very high energy resolution – of the order of 1.5‰ – in the region of interest. These features will enable a search for lepton number violation with unprecedented sensitivity. The BINGO approach can lead to the demonstration of the Majorana nature of neutrino even in the unfavourable case of direct ordering of neutrino masses. BINGO is based on luminescent bolometers for the rejection of the dominant alpha surface background. It will focus on two extremely promising isotopes – 100Mo and 130Te – that have complementary merits and deserve to be both considered for future large-scale searches. The project will bring three original ingredients to the well-established technology of hybrid heat-light bolometers: i) the light-detector sensitivity will be increased by an order of magnitude thanks to Neganov-Luke amplification; (ii) a revolutionary detector assembly will reduce the total surface radioactivity contribution by at least one order of magnitude; (iii) for the first time in an array of macrobolometers, an internal active shield, based on ultrapure ZnWO4 scintillators with bolometric light readout, will suppress the external gamma background. These challenging technologies will be extensively tested in a two-isotope demonstrator, dubbed MINI‑BINGO, which will be located in an underground laboratory in a dedicated cryogenic infrastructure built with ERC funds. The BINGO approach can be implemented in the next-generation search CUPID, a proposed follow up of the CUORE experiment. BINGO can improve dramatically the sensitivity of CUPID, using two isotopes at the same time and providing the demonstration of its background goal. Subsequently, the intrinsic modularity of the bolometric technique would make sensible to proceed to further expansions, capable of penetrating the direct-ordering band.

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