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Nucleosynthesis in Advection-Dominated Accretion Flow onto a Black Hole

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【Author】 Jiang Zhang;Ren-Yi Ma;Hong-Jie Li;Bo Zhang;Department of Mathematics and Science,Hebei GEO University;Key Laboratory for the Structure and Evolution of Celestial Objects,Chinese Academy of Sciences;Department of Astronomy, Xiamen University;School of Sciences, Hebei University of Science and Technology;Department of Physics, Hebei Normal University;

【机构】 Department of Mathematics and Science,Hebei GEO University； Key Laboratory for the Structure and Evolution of Celestial Objects,Chinese Academy of Sciences； Department of Astronomy, Xiamen University； School of Sciences, Hebei University of Science and Technology； Department of Physics, Hebei Normal University；

【摘要】 Nucleosynthesis in advection-dominated accretion flow(ADAF) onto a black hole is proposed to be an important role in chemical evolution around compact stars. We investigate the nucleosynthesis in ADAF relevant for a black hole of low mass,different from that of the self-similar solution. in particular,the presence of supersolar metal mass fractions of some isotopes seems to be associated with the known black hole nucleosynthesis in ADAF,which offers further evidence of diversity of the chemical enrichment.更多还原

【Abstract】 Nucleosynthesis in advection-dominated accretion flow(ADAF) onto a black hole is proposed to be an important role in chemical evolution around compact stars. We investigate the nucleosynthesis in ADAF relevant for a black hole of low mass,different from that of the self-similar solution. in particular,the presence of supersolar metal mass fractions of some isotopes seems to be associated with the known black hole nucleosynthesis in ADAF,which offers further evidence of diversity of the chemical enrichment.更多还原

【关键词】 advection； isotopes； dominated； enrichment； stars； capture； astrophysics； proton； nuclei； coordinates；

【基金】 Supported by the National Natural Science Foundation of China under Grant Nos 11547041,11403007,11673007,11643007,11333004,U1531130,11673059,11390374 and 11521303;the Chinese Academy of Sciences under Grant Nos KJZD-EW-M06-01and QYZDB-SSW-SYS001

【文献出处】 Chinese Physics Letters ,中国物理快报(英文版) , 编辑部邮箱 ,2017年04期

【分类号】P145.8
【下载频次】7

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