2-10 Progress of the Nuclear Astrophysics Group in 2016

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摘要 Thescientificprogramofthegroupcoversbigbangnucleosynthesis,hydrostaticburninginstarsandexplosivenucleosynthesisinsupernova.Byconsideringnon-equilibriumstatistics,wesuggestapossiblewaytosolvetheLiprobleminbigbangnucleosynthesis.The13C(α,n)16Oisthemajorneutronsourceforthes-processhappeninginAGBstars.The19F(p,α)16Oisrelevanttotheproductionoffluorine.WearedevelopingexperimentalplatformstostudytheimportantreactionforthefirsttimedirectlyattheirstellarenergiesinJinpingUndergroundLaboratory.The59Festellardecayrateisimportantfortheproductionof60Fe,animportantisotopewhosegammarayhasbeenobservedbysatellites.WedetermineitsstellardecayrateforthefirsttimeusingexperimentalB(GT)strength.Thenewratereducesthediscrepancyofthe60Feyieldsbetweenthemodelpredictionsandtheobservations.Theundergroundexperimentisexpectedtobeginin2018.
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出版日期 2016年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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