We propose a method for extracting the properties of the isobaric mass parabola based on the total doubleβ-decay energies of isobaric nuclei.Two important parameters of the mass parabola,the location of the mostβ-st...We propose a method for extracting the properties of the isobaric mass parabola based on the total doubleβ-decay energies of isobaric nuclei.Two important parameters of the mass parabola,the location of the mostβ-stable nuclei ZA and the curvature parameter bA,are obtained for 251 A values,based on the total doubleβ-decay energies of nuclei compiled in the AME2016 database.The advantage of this approach is that the pairing energy term PA caused by the odd-even variation can be removed in the process,as well as the mass excess M(A,ZA)of the most stable nuclide for the mass number A,which are employed in the mass parabolic fitting method.The Coulomb energy coefficient ac=0.6910 MeV is determined by the mass difference relation for mirror nuclei,and the symmetry energy coefficient is also studied by the relation asym(A)=025 bAZA.展开更多
基金Supported by National Natural Science Foundation of China,(11961131010,11422548 and U1867212)the Foundation of Guangxi innovative team(2017GXNSFGA198001,2016GXNSFFA380001)innovation fund of undergraduate at Anyang Normal University(ASCX/2019-Z055)
文摘We propose a method for extracting the properties of the isobaric mass parabola based on the total doubleβ-decay energies of isobaric nuclei.Two important parameters of the mass parabola,the location of the mostβ-stable nuclei ZA and the curvature parameter bA,are obtained for 251 A values,based on the total doubleβ-decay energies of nuclei compiled in the AME2016 database.The advantage of this approach is that the pairing energy term PA caused by the odd-even variation can be removed in the process,as well as the mass excess M(A,ZA)of the most stable nuclide for the mass number A,which are employed in the mass parabolic fitting method.The Coulomb energy coefficient ac=0.6910 MeV is determined by the mass difference relation for mirror nuclei,and the symmetry energy coefficient is also studied by the relation asym(A)=025 bAZA.
