IGEX 76Ge neutrinoless double-beta decay experiment:: Prospects for next generation experiments -: art. no. 092007

被引：369

作者：

Aalseth, CE ^{[1
]}

Avignone, FT

Brodzinski, RL

Cebrian, S

Garcia, E

Gonzalez, D

Hensley, WK

Irastorza, IG

Kirpichnikov, IV

Klimenko, AA

Miley, HS

Morales, A

Morales, J

de Solorzano, AO

Osetrov, SB

Pogosov, VS

Puimedon, J

Reeves, JH

Sarsa, ML

Smolnikov, AA

Starostin, AS

Tamanyan, AG

Vasenko, AA

Vasiliev, SI

Villar, JA

机构：

[1] Pacific NW Natl Lab, Richland, WA 99352 USA

[2] Univ S Carolina, Columbia, SC 29208 USA

[3] Univ Zaragoza, E-50009 Zaragoza, Spain

[4] Inst Theoret & Expt Phys, Moscow 117259, Russia

[5] Baksan Neutrino Observ, Inst Nucl Res, Neutrino 361609, Russia

[6] Yerevan Phys Inst, Yerevan 375036, Armenia

来源：

PHYSICAL REVIEW D | 2002年 / 65卷 / 09期

关键词：

D O I：

10.1103/PhysRevD.65.092007

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The International Germanium Experiment (IGEX) has analyzed 117 mol yr of Ge-76 data from its isotopically enriched (86% Ge-76) germanium detectors. Applying pulse-shape discrimination to the more recent data, the lower bound on the half-life for neutrinoless double-beta decay of Ge-76 is T-1/2(0nu) >1.57 x 10(25) yr (90% C.L.). This corresponds to an upper bound in the Majorana neutrino mass parameter, [m(nu)], between 0.33 and 1.35 eV, depending on the choice of theoretical nuclear matrix elements used in the analysis.

引用

页数：6

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