6533b832fe1ef96bd129a186

RESEARCH PRODUCT

Measurement of theββDecay Half-Life ofTe130with the NEMO-3 Detector

Ts. VylovO.i. KochetovF. MaugerB. GuillonJ. L. ReyssV. KovalenkoV. KovalenkoV. KovalenkoB. RichardsG. SzklarzJouni SuhonenF. PiquemalF. PiquemalJ. BakerS. TorreF. MamedovC. AugierM. KauerR. B. PahlkaCh. MarquetCh. MarquetYu. ShitovYu. ShitovV. VasilievA. ChaponC. HugonZ. J. LiptakKarol LangX. GarridoPh. HubertPh. HubertA.a. SmolnikovV. B. BrudaninG. Broudin-bayG. Broudin-bayI. VanyushinS. JullianFedor ŠImkovicIgor NemchenokJ. MottGuillaume LutterGuillaume LutterC. M. JacksonF. NovaA ZukauskasT. LamhamdiV. G. EgorovR. SaakyanX. SarazinL. VálaA. S. BarabashA. Basharina-freshvilleA. J. CaffreyJ. GrozierV. V. TimkinA. NachabA. NachabJuergen ThomasS. I. KonovalovP. NovellaJ. Martín-alboA. A. KlimenkoL. SimardC. H. NguyenC. H. NguyenC. H. NguyenF. PerrotF. PerrotC.s. SuttonV. I. UmatovD. LalanneR. ArnoldR. L. FlackS. BlondelJ. S. RicolJ. S. RicolM. BongrandVl. I. TretyakVl. I. TretyakS. Söldner-remboldI. SteklVit VorobelE. ChauveauH. OhsumiDominique Durand

subject

PhysicsIsotope010308 nuclear & particles physicsStable isotope ratioGeneral Physics and AstronomyHalf-lifechemistry.chemical_element01 natural sciencesBeta decayNuclear physicschemistryDouble beta decay0103 physical sciencesNeutrino Ettore Majorana Observatory010306 general physicsTelluriumRadioactive decay

description

This Letter reports results from the NEMO-3 experiment based on an exposure of 1275 days with 661g of 130Te in the form of enriched and natural tellurium foils. With this data set the double beta decay rate of 130Te is found to be non-zero with a significance of 7.7 standard deviations and the half-life is measured to be T1/2 = (7.0 +/- 0.9(stat) +/- 1.1(syst)) x 10^{20} yr. This represents the most precise measurement of this half-life yet published and the first real-time observation of this decay.

https://doi.org/10.1103/physrevlett.107.062504