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First Search for Bosonic Superweakly Interacting Massive Particles with Masses up to 1 MeV/c(2) with GERDA

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dc.contributor.authorAgostini, M.
dc.contributor.authorBakalyarov, A. M.
dc.contributor.authorBalata, M.
dc.contributor.authorBarabanov, I.
dc.contributor.authorBelogurov, S.
dc.contributor.authorБелогуров, Сергей Геннадьевич
dc.date.accessioned2024-11-26T15:27:59Z
dc.date.available2024-11-26T15:27:59Z
dc.date.issued2020
dc.description.abstractWe present the first search for bosonic superweakly interacting massive particles (super-WIMPs) as keV-scale dark matter candidates performed with the GERDA experiment. GERDA is a neutrinoless double-beta decay experiment which operates high-purity germanium detectors enriched in Ge-76 in an ultralow background environment at the Laboratori Nazionali del Gran Sasso (LNGS) of INFN in Italy. Searches were performed for pseudoscalar and vector particles in the mass region from 60 keV/c(2) to 1 MeV/c(2). No evidence for a dark matter signal was observed, and the most stringent constraints on the couplings of super-WIMPS with masses above 120 keV/c(2) have been set. As an example, at a mass of 150 keV/c(2) the most stringent direct limits on the dimensionless couplings of axionlike particles and dark photons to electrons of g(ae) < 3 x 10 -12 and alpha'/alpha < 6.5 x 10(-24) at 90% credible interval, respectively, were obtained.
dc.identifier.citationFirst Search for Bosonic Superweakly Interacting Massive Particles with Masses up to 1 MeV/c(2) with GERDA / Agostini, M [et al.] // PHYSICAL REVIEW LETTERS. - 2020. - 125. - № 1. - 10.1103/PhysRevLett.125.011801
dc.identifier.doi10.1103/PhysRevLett.125.011801
dc.identifier.urihttps://www.doi.org/10.1103/PhysRevLett.125.011801
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000544526900004
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/22108
dc.relation.ispartofPHYSICAL REVIEW LETTERS
dc.titleFirst Search for Bosonic Superweakly Interacting Massive Particles with Masses up to 1 MeV/c(2) with GERDA
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue1
oaire.citation.volume125
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