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First results from the AMoRE-Pilot neutrinoless double beta decay experiment

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dc.contributor.authorAlenkov, V.
dc.contributor.authorBae, H. W.
dc.contributor.authorBeyer, J.
dc.contributor.authorBoiko, R. S.
dc.contributor.authorKornoukhov, V.
dc.contributor.authorКорноухов, Василий Николаевич
dc.date.accessioned2024-11-22T06:39:04Z
dc.date.available2024-11-22T06:39:04Z
dc.date.issued2019
dc.description.abstract© 2019, The Author(s).The advanced molybdenum-based rare process experiment (AMoRE) aims to search for neutrinoless double beta decay (0 νββ) of 100Mo with ∼100kg of 100Mo-enriched molybdenum embedded in cryogenic detectors with a dual heat and light readout. At the current, pilot stage of the AMoRE project we employ six calcium molybdate crystals with a total mass of 1.9 kg, produced from 48Ca-depleted calcium and 100Mo-enriched molybdenum (48 deplCa 100MoO 4). The simultaneous detection of heat (phonon) and scintillation (photon) signals is realized with high resolution metallic magnetic calorimeter sensors that operate at milli-Kelvin temperatures. This stage of the project is carried out in the Yangyang underground laboratory at a depth of 700 m. We report first results from the AMoRE-Pilot 0 νββ search with a 111 kg day live exposure of 48 deplCa 100MoO 4 crystals. No evidence for 0 νββ decay of 100Mo is found, and a upper limit is set for the half-life of 0 νββ of 100Mo of T1/20ν>9.5×1022years at 90% C.L. This limit corresponds to an effective Majorana neutrino mass limit in the range ⟨mββ⟩≤(1.2-2.1)eV.
dc.identifier.citationFirst results from the AMoRE-Pilot neutrinoless double beta decay experiment / Alenkov, V. [et al.] // European Physical Journal C. - 2019. - 79. - № 9. - 10.1140/epjc/s10052-019-7279-1
dc.identifier.doi10.1140/epjc/s10052-019-7279-1
dc.identifier.urihttps://www.doi.org/10.1140/epjc/s10052-019-7279-1
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85073222701&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000487669900005
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/19672
dc.relation.ispartofEuropean Physical Journal C
dc.titleFirst results from the AMoRE-Pilot neutrinoless double beta decay experiment
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue9
oaire.citation.volume79
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