简介：AdeuteriumclusterjetproducedinthesupersonicexpansionintovacuumofdeuteriumgasatliquidnitrogentemperatureandmoderatebackingpressuresarestudiedbyRayleighscatteringtechniques.Theexperimentalresultsshowthatdeuteriumclusterscanbecreatedatmoderategasbackingpressuresrangingfrom8to23bar,andamaximumaverageclustersizeof350atomsperclusterisestimated.Thetemporalevolutionoftheclusterjetgeneratedatthebackingpressureof20bardemonstratesatwo-plateaustructure.Thepossiblemechanismresponsibleforthisstructureisdiscussed.Theformerplateauwithhigheraverageatomandclusterdensitiesismoresuitableforthegenerallaser-clusterinteractionexperiments.
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