The r-Process Nucleosynthesis in Neutrino-/Magnetocentrifugally-Driven Winds

Nagataki Shigehiro; Kohri Kazunori

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The r-Process Nucleosynthesis in Neutrino-/Magnetocentrifugally-Driven Winds

机译：中微子/磁悬浮离心风中的r-过程核合成

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Weconsidertheeffectsoftherotationandmagneticfieldsontherapidneutroncapturenucleosynthesis(r-processnucleosynthesis)inneutrino-drivenwinds.WeexaminethefeaturesofsteadyandsubsonicwindsolutionswhichextendthemodelofWeberandDavis(1967,Astron.Jahresber.67.6776),whichisarepresentativesolar-windmodel.Then,wefindthattheentropyperbaryonbecomeslowerandthedynamicaltimescalebecomeslongerastheangularvelocitybecomeshigher.Theresultsareinappropriatefortheproductionofr-processnuclei.Therefore,weconcludethatitisdifficulttorealizeasuccessfulr-processnucleosynthesisinthisframework.

机译：Weconsidertheeffectsoftherotationandmagneticfieldsontherapidneutroncapturenucleosynthesis（R-processnucleosynthesis）inneutrino-drivenwinds.WeexaminethefeaturesofsteadyandsubsonicwindsolutionswhichextendthemodelofWeberandDavis（1967，Astron.Jahresber.67.6776），whichisarepresentativesolar-windmodel.Then，wefindthattheentropyperbaryonbecomeslowerandthedynamicaltimescalebecomeslongerastheangularvelocitybecomeshigher.Theresultsareinappropriatefortheproductionofr-processnuclei.Therefore，weconcludethatitisdifficulttorealizeasuccessfulr-processnucleosynthesisinthisframework。

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《PASJ: Publications of the Astronomical Society of Japan》 |2001年第3期|共页
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Nagataki Shigehiro; Kohri Kazunori;
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The r-Process Nucleosynthesis in Neutrino-/Magnetocentrifugally-Driven Winds

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