From ANAIS-25 towards ANAIS-250

Amaré Tafalla, Julio (Universidad de Zaragoza) ; Cebrián Guajardo, Susana (Universidad de Zaragoza) ; Cuesta, Clara ; García Abancens, Eduardo (Universidad de Zaragoza) ; Ginestra, Carlos ; Martínez, María ; Oliván Monge, Miguel Ángel (Universidad de Zaragoza) ; Ortigoza, Ysrael ; Ortiz de Solórzano Arousa, Alfonso (Universidad de Zaragoza) ; Pobes, Carlos ; Puimedón Santolaria, Jorge (Universidad de Zaragoza) ; Sarsa Sarsa, María Luisa (Universidad de Zaragoza) ; Villar Rivacoba, José Angel (Universidad de Zaragoza) ; Villar Gómez, Patricia (Universidad de Zaragoza)
From ANAIS-25 towards ANAIS-250
Resumen: The ANAIS (Annual modulation with NaI(Tl) Scintillators) experiment aims at the confirmation of the DAMA/LIBRA signal using the same target and technique at the Canfranc Underground Laboratory (LSC). 250 kg of ultra pure NaI(Tl) crystals will be used as target, divided into 20 modules, 12.5 kg mass each, and coupled to two high efficiency photomultiplier tubes from Hamamatsu. The ANAIS-25 set-up at the LSC consists of two prototypes, amounting 25 kg NaI(Tl), grown from a powder having a potassium level under the limit of our analytical techniques, and installed in a convenient shielding at the LSC. The background has been carefully analyzed and main results will be summarized in this paper, focusing on the alpha contamination identified in the prototypes and the related background contributions. Status of fulfillment of ANAIS experimental goals and prospects for the building of ANAIS-250 experiment will be also revised.
Idioma: Inglés
DOI: 10.1016/j.phpro.2014.12.026
Año: 2015
Publicado en: Physics procedia 61 (2015), 157-162
ISSN: 1875-3892

Factor impacto SCIMAGO: 0.262 - Physics and Astronomy (miscellaneous)

Financiación: info:eu-repo/grantAgreement/ES/MICINN/CPAN-CSD2007-00042
Financiación: info:eu-repo/grantAgreement/ES/MINECO/Consolider-Ingenio2010-MULTI-DARK-CSD2009-00064
Financiación: info:eu-repo/grantAgreement/ES/MINECO-FEDER/FPA2011-23749
Tipo y forma: Article (Published version)
Área (Departamento): Proy. investigación HCA (Dpto. Física Teórica)
Área (Departamento): Área Óptica (Dpto. Física Aplicada)
Área (Departamento): Área Física Atóm.Molec.y Nucl. (Dpto. Física Teórica)

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