ANGULAR DISTRIBUTIONS OF HIGH ENERGY GAMMA RAYS FROM THE F$sup 19$(p,$gamma$)Ne$sup 20$ REACTION
The reaction F/sup 19(p, gamma )Ne/sup 20/ was studied for protein energies from 550 to l500 kev. The 1322-kev resonance reported previously was not observed. The angular distributions of the gamma rays from Ne/sup 20/ compound states corresponding to the E/sub p/ = 669 and l425-kev resonances to the first excited state were isotropic within 2% in both cases. The angular distribution of the gamma ray to the first excited state of Ne/sup 20/ at E/sup p/ = 1090 kev was W( theta ) = (1 plus or minus 0.028) + (0.363 plus or minus 0.051) P/sub 2/(cos theta ) -- (0.019 plus or minus 0.069) P/sub 4/ (cos THETA ). From this result the spin and parity of the l3.9l-Mev state of Ne/sub 20/ was determined to be 2/sup -/. (auth)
- Research Organization:
- Nippon Atomic Industry Group Co., Ltd., Tokyo
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-16-005998
- OSTI ID:
- 4821081
- Journal Information:
- J. Phys. Soc. Japan, Journal Name: J. Phys. Soc. Japan Vol. Vol: 16
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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