LArGe: active background suppression using argon scintillation for the Gerda $$0\nu \beta \beta $$ 0 ν β β -experiment
نویسندگان
چکیده
منابع مشابه
The background in the 0νββ experiment Gerda
The GERmanium Detector Array (Gerda)experimentattheGranSassoundergroundlaboratory(LNGS)of INFN is searching for neutrinoless double beta (0���)decay of 76Ge. The signature of the signal is a monoen-ergetic peak at 2039 keV, the Q�� value of the decay. Toavoid bias in the signal search, the present analysis does notconsider all those events, that fall in a 40 keV wide regioncentered around Q . T...
متن کاملLArGe: Background suppression using liquid argon (LAr) scintillation for 0νββ decay search with enriched germanium (Ge) detectors
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 det...
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The progress in the development of the new international Gerda (GErmanium Detector Array) experiment is presented. Main purpose of the experiment is to search for the neutrinoless double beta decay of Ge. The experimental set up is under construction in the underground laboratory of LNGS. Gerda will operate with bare germanium semiconductor detectors (enriched in Ge) situated in liquid argon. I...
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This article describes measurements of angular-correlation coefficients in the decay of free neutrons with the superconducting spectrometer PERKEO II. A method for measuring the β-asymmetry coefficient A is presented, as well as a new method for determining the neutrino-asymmetry coefficient B, which allows a value for the proton-asymmetry coefficient C to be obtained for the first time. An ong...
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We investigate in a geometrical way the sieving process of 021 β 3 for obtaining the Delone set 0 β 4 051 β 3 of β integers where β is a Perron number in the context of linear asymptotic invariants associated with a canonical inductive system constructed from β . When β is a Pisot number, we exhibit a canonical cut-and-project scheme, a model set associated with 0 β and so prove that it is a Me...
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ژورنال
عنوان ژورنال: The European Physical Journal C
سال: 2015
ISSN: 1434-6044,1434-6052
DOI: 10.1140/epjc/s10052-015-3681-5