The α decay half-life of the unknown nucleus 297Og is predicted within the two-potential approach, andα preformation probabilities of 64 odd-A nuclei in the region of proton numbers 82 〈 Z 〈 126 and neutron number...The α decay half-life of the unknown nucleus 297Og is predicted within the two-potential approach, andα preformation probabilities of 64 odd-A nuclei in the region of proton numbers 82 〈 Z 〈 126 and neutron numbers 152 〈 N 〈 184, from 251Cf to 295Og, are extracted. In addition, based on the latest experimental data, a new set of parameters for α preformation probabilities considering the shell effect and proton-neutron interaction are obtained.The predicted α decay half-life of 297Og is 0.16 ms within a factor of 4.97. The predicted spin and parity of the ground states for 269Sg,285Fl and 293Lv are 3/2＋, 3/2＋ and 5/2＋, respectively.展开更多
基金Supported by National Natural Science Foundation of China(11205083,11505100)Construct Program of the Key Discipline in Hunan Province,the Research Foundation of Education Bureau of Hunan Province,China(15A159)+2 种基金the Natural Science Foundation of Hunan Province,China(2015JJ3103,2015JJ2121)the Innovation Group of Nuclear and Particle Physics in USC,the Shandong Province Natural Science Foundation,China(ZR2015AQ007)Hunan Provincial Innovation Foundation For Postgraduate(CX2017B536)
文摘The α decay half-life of the unknown nucleus 297Og is predicted within the two-potential approach, andα preformation probabilities of 64 odd-A nuclei in the region of proton numbers 82 〈 Z 〈 126 and neutron numbers 152 〈 N 〈 184, from 251Cf to 295Og, are extracted. In addition, based on the latest experimental data, a new set of parameters for α preformation probabilities considering the shell effect and proton-neutron interaction are obtained.The predicted α decay half-life of 297Og is 0.16 ms within a factor of 4.97. The predicted spin and parity of the ground states for 269Sg,285Fl and 293Lv are 3/2＋, 3/2＋ and 5/2＋, respectively.
