Review of Alpha–Decay Data from Doubly–Even Nuclei

✍ Scribed by Y.A. Akovali

• Publisher: Elsevier Science
• Year: 1998
• Tongue: English
• Weight: 815 KB
• Volume: 84
• Category: Article
• ISSN: 0090-3752
• DOI: 10.1006/ndsh.1998.0009

✦ Synopsis

α-decay data from doubly-even nuclei throughout the periodic table are reviewed and evaluated. From t h e s e d a t a n u c l e a r r a d i u s p a r a m e t e r s a r e c a l c u l a t e d b y u s i n g t h e P r e s t o n f o r m u l a f o r α -d e c a y p r o b a b i l i t i e s . The radius parameters for each element behave rather regularly as a function of neutron number. They show m i n i m a a t t h e m a j o r c l o s e d s h e l l s a n d d e c r e a s e s m o o t h l y t o w a r d t h e n e x t s h e l l c l o s u r e . T h e s a m e t r e n d i s observed for α reduced widths calculated using the Rasmussen formalism. Any irregularity or large departure f r o m t h i s b e h a v i o r i n d i c a t e s p r o b a b l e i n c o r r e c t i n p u t d a t a . T h i s s y s t e m a t i c b e h a v i o r c a n a l s o b e u t i l i z e d t o estimate partial half-lives. C u t o f f D a t e : A l l d a t a r e c e i v e d p r i o r t o J a n u a r y 1 9 9 7 h a v e b e e n c o n s i d e r e d i n a d o p t i n g t h e p r o p e r t i e s g i v e n i n this evaluation. General Policies and Organization of Material: See the January issue of Nuclear Data Sheets. * R e s e a r c h s p o n s o r e d b y t h e O a k R i d g e N a t i o n a l L a b o r a t o r y , m a n a g e d b y L o c k h e e d M a r t i n E n e r g y R e s e a r c h Corporation for the U.S. Department of Energy under contract number DE-AC05-96OR22464.