Search for neutrinoless quadruple-$\beta$ decay of $^{150}$Nd with the NEMO-3 detector
PIQUEMAL, F.
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
Laboratoire Souterrain de Modane [LSMUMR6417]
< Réduire
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
Laboratoire Souterrain de Modane [LSMUMR6417]
Langue
en
Article de revue
Ce document a été publié dans
Physical Review Letters. 2017, vol. 119, n° 4, p. 041801
American Physical Society
Résumé en anglais
We report the results of a first experimental search for lepton number violation by four units in the neutrinoless quadruple-β decay of Nd150 using a total exposure of 0.19 kg yr recorded with the NEMO-3 detector at the ...Lire la suite >
We report the results of a first experimental search for lepton number violation by four units in the neutrinoless quadruple-β decay of Nd150 using a total exposure of 0.19 kg yr recorded with the NEMO-3 detector at the Modane Underground Laboratory. We find no evidence of this decay and set lower limits on the half-life in the range T1/2>(1.1–3.2)×1021 yr at the 90% C.L., depending on the model used for the kinematic distributions of the emitted electrons.< Réduire
Mots clés en anglais
lepton number: violation
neodymium
samarium
lifetime
nucleus
excited state
electron: energy spectrum
ground state
kinematics
experimental results
Origine
Importé de halUnités de recherche