Initial Shock Waves for Explosive Nucleosynthesis in Type II Supernova

Publications of the Astronomical Society of Japan

Hashimoto, Masa-Aki³  Nagataki, Shigehiro²  Yamada, Shoichi¹ 

[1] Department of Physics, School of Science, the University of Tokyo, 7-3-1 Hongo, Bunkyoku, Tokyo 113-0033 E-mail(TY): Max-Planck-Institut für Physik und Astrophysik, Karl-Schwarzschild Strasse 1, D-8046, Garching bei München, Germany;Department of Physics, School of Science, the University of Tokyo, 7-3-1 Hongo, Bunkyoku, Tokyo 113-0033 E-mail(TY):;Department of Physics, Faculty of Science, Kyusyu University, Ropponmatsu, Fukuoka 810

关键词: Nucleosynthesis;    "Supernovae: general";    "Supernovae: individual (SN 1987A)";   

DOI  :  10.1093/pasj/50.1.67

学科分类：天文学(综合)

来源: Oxford University Press

【 摘 要 】

Wehaveperformed1-dimensionalcalculationsforexplosivenucleosynthesisincollapse-drivensupernovaandinvestigateditssensitivitytotheinitialformoftheshockwave.Wehavefoundthetendencythatthepeaktemperaturebecomeshigheraroundthemasscutiftheinputenergyisinjectedmoreintheformofkineticenergyratherthaninternalenergy.Then,themasscutbecomeslarger,and,asaresult,neutron-richmatterislessincludedintheejecta;thisisfavorableforproducingtheobservationaldatacomparedwithapreviousmodel.Ourresultsimplythatthestandardmethodtotreatvariousprocessesforstellarevolution,suchasconvectionandelectroncaptureduringthesiliconburningstage,isstillcompatiblewiththecalculationofexplosivenucleosynthesis.

【 授权许可】

Unknown