LArGe: Background suppression using liquid argon (LAr) scintillation for 0νββ decay search with enriched germanium (Ge) detectors

M. Di Marco, P. Peiffer, S. Schönert

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

14 Zitate (Scopus)

Abstract

Measurements with a bare p-type high purity germanium diode (HPGe) submerged in a 19 kg liquid argon (LAr) scintillation detector at MPIK-Heidelberg are reported. The liquid argon-germanium system (LArGe) is operated as a 4π anti-Compton spectrometer to suppress backgrounds in the HPGe. This R&D is carried out in the framework of the Gerda experiment which searches for 0νββ decays with HPGe detectors enriched in 76Ge. The goal of this work is to develop a novel method to discriminate backgrounds in 0νββ search which would ultimately allow to investigate the effective neutrino mass free of background events down to the inverse mass hierarchy scale. Other applications in low-background counting are expected.

OriginalspracheEnglisch
Seiten (von - bis)45-48
Seitenumfang4
FachzeitschriftNuclear Physics B (Proceedings Supplements)
Jahrgang172
DOIs
PublikationsstatusVeröffentlicht - Okt. 2007
Extern publiziertJa

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