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THE HEAVY-PARTICLE-STRIPPING REACTION IN ($alpha$,p) REACTIONS. I. THE C$sup 12$$($$alpha$,p)N$sup 15$ (GROUND STATE) REACTION

Journal Article · · Nuclear Phys.
;
S>The following reactions are analyzed in terms of the heavy-particle- stripping reaction: Li/sup 6/( alpha , p/sub 0/)Be/sup 9/ (ground state), Li/sup 7/( alpha , p/sub 0/)Be/sup 10/ (ground state), and Li/sup 7/( alpha , p/ sub 1/ )Be/sup 10/ (lst excited state) at E/sub alpha / 20 Mev, and F/sup 19/( alpha , p/sub 0/)Ne/sup 22/ (gro und state), F/sup 19/( alpha , p/sub 1/)Ne/sup 22/(lst excited state), and F/sup 19/( alpha , p/sub 2/)Ne/sup 22/ (2nd excited state) at about E/sub alpha / = 20 Mev. It is shown that the angular distributions of these three ( alpha , p) reactions for Li nuclei can be explained by the heavy- particle-stripping reaction except for their behavior at small angles. It is further shown that the differential cross sections found at larger angles for the F/sup 19/( alpha , p)Ne/sup 22/ reactions are also explained by the heavy- particle-stripping reaction. In particular, agreement is obtained between theory and experiment with respect to the very sharp peak at the backward direction appearing in the differential cross section for the F/sup 19/ alpha , p/sub 0/Ne/ sup 22/(ground state) reaction. In this connection, some remarks are added concerning the shell model wave functions calculated for O/sup 18/ and F/sup 19/. The reduced width extracted from the experimental data of the F/sup 19/4aa, p/sub 0/)N/sup 22/ reaction is found to be very small in comparison to that of the C/ sup 12/( alpha , p/sub 0/)N/sup 15/ reaction. (auth)
Research Organization:
Tokyo Inst. of Tech.
NSA Number:
NSA-16-024838
OSTI ID:
4805169
Journal Information:
Nuclear Phys., Journal Name: Nuclear Phys. Vol. Vol: 34
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

ALPHA BEAMS
ANGULAR DISTRIBUTION
CARBON 12
CROSS SECTIONS
ENERGY
IONIZATION
NITROGEN 15
NUCLEAR REACTIONS
PHYSICS
PROTONS
REACTION KINETICS
STRIPPING
VARIATIONS