Search for periodic modulations of the rate of double-β decay of Mo100 in the NEMO-3 detector

The NEMO-3 Collaboration

doi:10.1103/PhysRevC.104.L061601

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The NEMO-3 Collaboration. (2021). Search for periodic modulations of the rate of double-β decay of Mo100 in the NEMO-3 detector. Physical Review C, 104(6), Article L061601. https://doi.org/10.1103/PhysRevC.104.L061601

Julkaistu sarjassa

Physical Review C

Tekijät

The NEMO-3 Collaboration

Päivämäärä

2021

Tekijänoikeudet

Double-beta decays of 100Mo from the 6.0195-year exposure of a 6.914 kg high-purity sample were recorded by the NEMO-3 experiment that searched for neutrinoless double-beta decays. These ultrarare transitions to 100Ru have a half-life of approximately 7×1018 years and have been used to conduct the first-ever search for periodic variations of this decay mode. The Lomb-Scargle periodogram technique, and its error-weighted extension, were employed to look for periodic modulations of the half-life. Data show no evidence at the 95% confidence level of modulations with amplitude greater than 2.5% in the frequency range of 0.33225yr−1 to 360yr−1.

Julkaisija

American Physical Society (APS)

ISSN Hae Julkaisufoorumista

2469-9985

Lisätietoja rahoituksesta

We acknowledge support by the grant agencies of the Czech Republic, CNRS/IN2P3 in France, RFBR in Russia (NCNIL No19-52-16002), APVV in Slovakia, the Science and Technology Facilities Council, part of U.K. Research and Innovation, and the NSF in the USA.

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