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dc.contributor.authorPOMME STEFAANen_GB
dc.contributor.authorSTROH HEIKOen_GB
dc.contributor.authorPAEPEN JANen_GB
dc.contributor.authorVAN AMMEL RAFen_GB
dc.contributor.authorMAROULI MARIAen_GB
dc.contributor.authorALTZITZOGLOU TIMOTHEOSen_GB
dc.contributor.authorHULT MIKAELen_GB
dc.contributor.authorKOSSERT K.en_GB
dc.contributor.authorNÄHLE O.en_GB
dc.contributor.authorSCHRADER H.en_GB
dc.contributor.authorJUGET F.en_GB
dc.contributor.authorBAILAT C.en_GB
dc.contributor.authorNEDJADI Y.en_GB
dc.contributor.authorBOCHUD F.en_GB
dc.contributor.authorBUCHILLIER T.en_GB
dc.contributor.authorMICHOTTE C.en_GB
dc.contributor.authorCOURTE Sen_GB
dc.contributor.authorVAN ROOY M. W.en_GB
dc.contributor.authorVAN STADEN M. J.en_GB
dc.contributor.authorLUBBE J.en_GB
dc.contributor.authorSIMPSON B. R. S.en_GB
dc.contributor.authorFAZIO A.en_GB
dc.contributor.authorDE FELICE P.en_GB
dc.contributor.authorJACKSON T. W.en_GB
dc.contributor.authorVAN WYNGAARDT W. M.en_GB
dc.contributor.authorREINHARD M. I.en_GB
dc.contributor.authorGOLYA J.en_GB
dc.contributor.authorBOURKE S.en_GB
dc.contributor.authorROY T.en_GB
dc.contributor.authorGALEA R.en_GB
dc.contributor.authorKEIGHTLEY J. D.en_GB
dc.contributor.authorFERREIRA K. M.en_GB
dc.contributor.authorCOLLINS S. M.en_GB
dc.contributor.authorCECCATELLI A.en_GB
dc.contributor.authorVERHEYEN L.en_GB
dc.contributor.authorBRUGGEMAN M.en_GB
dc.contributor.authorVODENIK BRANKOen_GB
dc.contributor.authorKORUN M.en_GB
dc.contributor.authorCHISTE V.en_GB
dc.contributor.authorAMIOT M.-N.en_GB
dc.date.accessioned2019-05-01T00:04:27Z-
dc.date.available2017-03-22en_GB
dc.date.available2019-05-01T00:04:27Z-
dc.date.created2017-03-14en_GB
dc.date.issued2017en_GB
dc.date.submitted2016-09-28en_GB
dc.identifier.citationMETROLOGIA vol. 54 no. 1 p. 19en_GB
dc.identifier.issn0026-1394en_GB
dc.identifier.urihttp://iopscience.iop.org/article/10.1088/1681-7575/54/1/19en_GB
dc.identifier.urihttp://publications.jrc.ec.europa.eu/repository/handle/JRC103199-
dc.description.abstractClaims that proximity to the Sun causes variations of decay constants at the permille level have been investigated for beta-minus decaying nuclides. Repeated activity measurements of 3H, 14C, 60Co, 85Kr, 90Sr, 124Sb, 134Cs, 137Cs, and 154Eu sources were performed over periods of 259 days up to 5 decades at various nuclear metrology institutes. Residuals from the exponential decay curves were inspected for annual oscillations. Systematic deviations from a purely exponential decay curve differ in amplitude and phase from one data set to another and appear attributable to instabilities in the instrumentation and measurement conditions. Oscillations in phase with Earth's orbital distance to the sun could not be observed within 10-4-10-5 range precision. The most stable activity measurements of beta-minus decaying sources set an upper limit of 0.003%-0.007% to the amplitude of annual oscillations in the decay rate. There are no apparent indications for systematic oscillations at a level of weeks or months.en_GB
dc.description.sponsorshipJRC.G.2-Standards for Nuclear Safety, Security and Safeguardsen_GB
dc.format.mediumOnlineen_GB
dc.languageENGen_GB
dc.publisherIOP PUBLISHING LTDen_GB
dc.relation.ispartofseriesJRC103199en_GB
dc.titleOn decay constants and orbital distance to the Sun – Part II: Beta minus decayen_GB
dc.typeArticles in periodicals and booksen_GB
dc.identifier.doi10.1088/1681-7575/54/1/19en_GB
JRC Directorate:Nuclear Safety and Security

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