The authors have proposed a new of magnetic isotope theory of life on Earth. According to this theory the initial impetus for the beginning of the synthesis of organic compounds is the impact of electromagnetic radiat...The authors have proposed a new of magnetic isotope theory of life on Earth. According to this theory the initial impetus for the beginning of the synthesis of organic compounds is the impact of electromagnetic radiation from the sun and energy radioactive isotopes.展开更多
The quenching factors of one-neutron spectroscopic factors,which are ratios of theoretical to experimental one-neutron removal cross sections,are studied for the carbon isotopes ^（15-19）C,with ^（12）C and ~9Be targ...The quenching factors of one-neutron spectroscopic factors,which are ratios of theoretical to experimental one-neutron removal cross sections,are studied for the carbon isotopes ^（15-19）C,with ^（12）C and ~9Be targets within incident energies from around 50 to 900 MeV/nucleon.The resulting values of quenching factors do not show strong energy dependence within such an energy range.The average values of the these quenching factors agree well with the systematics in [J.A.Tostevin and A.Gade,Phys.Rev.C,90 057602（2014）],which was established for a large set of radioactive nuclei with different masses below 305 MeV/nucleon.展开更多
Research activities of nuclear physics at Radioactive Isotope Beam Factory over 10 years are reviewed and future directions are also discussed. Conceptual ideas in designing the facility as well as experimental device...Research activities of nuclear physics at Radioactive Isotope Beam Factory over 10 years are reviewed and future directions are also discussed. Conceptual ideas in designing the facility as well as experimental devices are introduced. Special emphasis is given to highlighted results obtained at RIBF.展开更多
文摘The authors have proposed a new of magnetic isotope theory of life on Earth. According to this theory the initial impetus for the beginning of the synthesis of organic compounds is the impact of electromagnetic radiation from the sun and energy radioactive isotopes.
基金Supported by National Natural Science Foundation of China(1275018,U1432247)National Key Research and Development Program(2016YFA0400502)
文摘The quenching factors of one-neutron spectroscopic factors,which are ratios of theoretical to experimental one-neutron removal cross sections,are studied for the carbon isotopes ^（15-19）C,with ^（12）C and ~9Be targets within incident energies from around 50 to 900 MeV/nucleon.The resulting values of quenching factors do not show strong energy dependence within such an energy range.The average values of the these quenching factors agree well with the systematics in [J.A.Tostevin and A.Gade,Phys.Rev.C,90 057602（2014）],which was established for a large set of radioactive nuclei with different masses below 305 MeV/nucleon.
文摘Research activities of nuclear physics at Radioactive Isotope Beam Factory over 10 years are reviewed and future directions are also discussed. Conceptual ideas in designing the facility as well as experimental devices are introduced. Special emphasis is given to highlighted results obtained at RIBF.
