A next-generation neutrinoless double beta decay experiment based on ZnMoO4 scintillating bolometers

被引：88

作者：

Beeman, J. W. ^{[3
]}

Danevich, F. A. ^{[4
]}

Degoda, V. Ya. ^{[5
]}

Galashov, E. N. ^{[6
]}

Giuliani, A. ^{[1
,2
,7
]}

Kobychev, V. V. ^{[4
]}

Mancuso, M. ^{[1
,2
,7
]}

Marnieros, S. ^{[1
,2
]}

Nones, C. ^{[1
,2
]}

Olivieri, E. ^{[1
,2
]}

Pessina, G. ^{[8
]}

Rusconi, C. ^{[7
]}

Shlegel, V. N. ^{[6
]}

Tretyak, V. I. ^{[4
]}

Vasiliev, Ya. V. ^{[6
]}

机构：

[1] CNRS, Ctr Spectrometrie Nucl & Spectrometrie Masse, F-91405 Orsay, France

[2] Univ Paris 11, F-91405 Orsay, France

[3] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[4] Inst Nucl Res, UA-03680 Kiev, Ukraine

[5] Kyiv Natl Taras Shevchenko Univ, UA-03680 Kiev, Ukraine

[6] Nikolaev Inst Inorgan Chem, Novosibirsk 630090, Russia

[7] Univ Insubria, Dipartimento Matemat & Fis, I-22100 Como, Italy

[8] Ist Nazl Fis Nucl, Sez Milano Bicocca, I-20126 Milan, Italy

来源：

PHYSICS LETTERS B | 2012年 / 710卷 / 02期

基金：

欧洲研究理事会;

关键词：

Double beta decay; Neutrino mass; Low background; Bolometrique technique; Scintillation; PARTICLE; SEARCH; CUORE; IDENTIFICATION; RADIOACTIVITY; RADIATION; DETECTORS; CUORICINO; PHYSICS; EVENTS;

D O I：

10.1016/j.physletb.2012.03.009

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The search for neutrinoless double beta decay probes lepton number conservation with high sensitivity and investigates the neutrino nature and mass scale. Experiments presently in preparation will cover the quasi-degeneracy region of the neutrino mass pattern. Probing the inverted hierarchy region requires improved sensitivities and next-generation experiments, based either on large expansions of the present searches or on new ideas. We examine here a novel technology relying on ZnMoO4 scintillating bolometers, which can provide an experiment with background close to zero in the ton x year exposure scale. The promising performance of a pilot detector is presented, both in terms of energy resolution and background control. A preliminary study of the sensitivities of future experiments shows that the inverted hierarchy region is within the reach of the technique here proposed. A realistic phased approach program towards a next-generation search is presented and briefly discussed. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：318 / 323

页数：6

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