| Texto completo | |
| Autor(es): Mostrar menos - |
Caffer, A. M.
;
Goncalves, R. G.
;
Pizzi, H. B.
;
Passos, D. S.
;
Carvalho, M. H.
;
Reis, C.
;
Mazali, I. O.
;
Cardoso, D.
;
Soccol, R.
;
Bianchi, P.
;
Noriler, D.
;
dos Santos, C. R. A.
;
Fontes, M.
;
Correia, D.
;
da Motta, H.
;
Demolin, F.
;
Augusto, A.
;
Doubnik, R.
;
Montanari, D.
;
Alegre, T. P. M.
;
Machado, A. A.
;
Segreto, E.
;
Adriano, C.
;
Assaf, Elisabete M.
;
Assaf, J. M.
;
Pagliuso, P. G.
Número total de Autores: 26
|
| Tipo de documento: | Artigo Científico |
| Fonte: | Journal of Instrumentation; v. 20, n. 3, p. 8-pg., 2025-03-01. |
| Resumo | |
In this work, we have explored the potential of oxygen capture in Liquid Argon (LAr) of the innovative CuO dispersive layered double hydroxide media (R-LDH) and the Ce-doped R-LDH. Low-temperature experiments in the LAr Purification Cryostat (PuLArC) at IFGW/Unicamp were performed using LAr circulation through two filters, one containing the R-LDH (or the Ce-doped R-LDH) material and the other the BASF commercial copper material (Cu-02265 - proposed as a reference O2 getter media by Fermilab) for comparison. Interestingly, the experiments performed in PuLArC revealed that the R-LDH and Ce-doped R-LDH innovative media were capable of capturing O2 from recirculating LAr in PuLArC. For instance, the R-LDH media reduced the O2 contaminants concentration by 80% of its initial values after 200 min of LAr circulation. As for the reference media BASF Cu-S0226, this media reduced the O2 concentration by 40% of its initial value in the same time window. The performance/kg of the studied media will be compared and we will discuss the putative higher potential of the innovative Ce-doped and pure R-LDH media for O2 capturing in LAr which may invoke further tests of these media in larger scale LAr cryostats, possibly at Fermilab and CERN. (AU) | |
| Processo FAPESP: | 24/07128-7 - Instrumentação avançada para grandes colaborações em Física de Altas Energias: Purificação de LAr e Fotodetecção para o LBNF-DUNE |
| Beneficiário: | Pascoal Jose Giglio Pagliuso |
| Modalidade de apoio: | Auxílio à Pesquisa - Projetos Especiais |
| Processo FAPESP: | 20/01609-2 - Otimização dos procedimentos de purificação, regeneração e condensação de argônio para instalações de grande escala |
| Beneficiário: | Pascoal Jose Giglio Pagliuso |
| Modalidade de apoio: | Auxílio à Pesquisa - Regular |