计算超重核alpha衰变能和半衰期的新方法.PDFVIP

计算超重核alpha衰变能的新方法 , *, W. Schied , *, W. Schied 董建敏,, 左维**,, WW.. SScchhiieedd 中国科学院近代物理所 Institute for Theoretical Physics, Justus-Liebig-University, Giessen, Germany 湖州师范学院, 2011年9月 2011-9-25 Outline Outline OOuuttlliinnee Motivation Motivation � MMoottiivvaattiioonn Motivation � Motivation MMoottiivvaattiioonn Results and discussion Results and discussion � RReessuullttss aanndd ddiissccuussssiioonn Summary Summary � SSuummmmaarryy 2011-9-25 Alpha-decay properties of heavy nuclei and SHN � Alpha-decay is closely related to nuclear structure properties, it may provide useful information on nuclear properties such as ground state energies, shell effects, …… � Alpha decay is the most efficient approach to identify new nucleus via the observation of alpha-decay chain � Theoretically, one of the major goals is to predict reliably the half-lives of SHN for the experimental design. � It is extremely important and necessary to obtain an accurate theoretical Q value for a reliable half-life prediction 2011-9-25 � The cluster model B. Buck et al, PRL72(1994)1326; R. R. Xu et al, PLB72(2006)322 C. Xu et al, PRC73(2006)041301 � The density-dependent M3Y effective interaction P.R. Chowdhury et al, PRC77(2008)044603; G.Samanta et al, NPA789(2007)142 G. L. Zhang et al, NPA823(2009)16 � The generalized liqiud drop model G. Royer et al, NPA730(2004)355; J. M. Dong et al, NPA832(2010)198; H.F. Zhang et al, PRC74(2006)017304; C77(2008)054318 � T