Large-Angle Deuteron Elastic Scattering

I n v e s t i g a t i o n s of deu te ron e l a s t i c s c a t t e r i n g beThe i n c r e a s e i n s i z e of t h e v e c t o r ana lyz ing power low 50 MeV have g iven d i f f r a c t i v e c r o s s s e c t i o n angua t l a r g e a n g l e s i s a r e s u l t of s c a t t e r i n g from t h e l a r d i s t r i b u t i o n s and ana lyz ing powers t h a t o s c i l l a t e r e a l p a r t of t h e o p t i c a l p o t e n t i a l . As t h e bombarding about ze ro . Recent measurements above 50 MeV show energy i n c r e a s e s , t h e s p i n o r b i t p o t e n t i a l makes a v e c t o r ana lyz ing power angula r d i s t r i b u t i o n s t h a t r i s e more s i g n i f i c a n t a l t e r a t i o n of t h e r e a l c e n t r a l a t l a r g e a n g l e s t o v a l u e s near This f e a t u r e p o t e n t i a l n e a r t h e n u c l e a r s u r f a c e . The p o t e n t i a l s i s a s s o c i a t e d w i t h a marked dampening of t h e d i f f r a c a p p r o p r i a t e t o t h e t h r e e p r o j e c t i o n s of t h e d e u t e r o n ' s t i v e o s c i l l a t i o n s i n bo th c r o s s s e c t i o n and ana lyz ing s p i n a long t h e o r b i t a l angula r momentum a x i s a r e shown power. The change i n t h e average v e c t o r ana lyz ing power i n Fig. l a . The d e f l e c t i o n f u n c t i o n 6 ( o r s c a t t e r i n g from zero t o n e a r l y one s i g n a l s a change i n t h e dominant ang le ) f o r each s p i n p r o j e c t i o n is shown i n Fig. l b mechanism f o r deu te ron e l a s t i c s c a t t e r i n g . An undera s a f u n c t i o n of impact parameter . The l a r g e s t negas t a n d i n g of t h i s e f f e c t i n s imple s e m i c l a s s i c a l terms t i v e d e f l e c t i o n i s f o r m = l deu te rons , t h u s back-angle h a s motivated a d e t a i l e d experimental i n v e s t i g a t i o n of s c a t t e r i n g is dominated by t h i s s i n g l e p r o j e c t i o n of l a rge-angle due te ron e l a s t i c s c a t t e r i n g . t h e s p i n . Beyond t h i s maximum a n g l e , t h e c r o s s s e c t i o n