($gamma$,p) REACTIONS IN Na$sup 23$, K$sup 39$, I$sup 127$ AND Cs$sup 13$$sup 3$
Proton spectra of K/sup 39/( gamma ,p)Ar/sup 38/, Na/sup 23( gamma ,p)Ne /sup 22/ I/sup 127/( gamma ,p)Te/sup 126/ and Cs/sup 133( gamma ,p)Xe/sup 132/ reactions have bee n investigated by irradiating KI(Tl), Nal(Tl) and CsI(Tl) crystals by Li(p, gamma ) gamma rays, and the corresponding cross sections have been determined. Electron background was reduced by placing a guard crystal in front of the target crystal. Approximate cross sections are 5 mb for Na/sup 23/( gamma ,p ) and 1.5 gamma 0.6 mb for I/sup 127/( gamma ,p) and Cs/sup 133/( gamma p) reactions at 17.6 Mev gamma -energy. The proton spectrum of K/sup 39/( gamma ,p) reaction shows peaks at 6.1, 9.2 and 11 Mev corresponding to the 5, 2.15 and 0 Mev levels of Ar/sup 38/. The I/sup 127/( gamma ,p) and Cs/sup 133/( gamma ,p) spectra are inconsistent with the statistical theory owing to the effect of direct interaction. (auth)
- Research Organization:
- Central Research Inst. for Physics, Budapest
- NSA Number:
- NSA-13-003308
- OSTI ID:
- 4288347
- Journal Information:
- Nuclear Phys., Journal Name: Nuclear Phys. Vol. Vol: 8
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
ARGON 38
BACKGROUND
CESIUM 133
CESIUM IODIDES
CROSS SECTIONS
CRYSTALS
ELECTRONS
ENERGY
ENERGY LEVELS
ENERGY RANGE
INTERACTIONS
IODINE 127
IRRADIATION
LITHIUM
MEASURED VALUES
NEON 22
NUCLEAR REACTIONS
PHOTONS
PHYSICS AND MATHEMATICS
POTASSIUM 39
POTASSIUM IODIDES
PROTON BEAMS
PROTONS
SODIUM 23
SODIUM IODIDES
SPECTRA
TARGETS
TELLURIUM 126
THALLIUM
XENON 132
BACKGROUND
CESIUM 133
CESIUM IODIDES
CROSS SECTIONS
CRYSTALS
ELECTRONS
ENERGY
ENERGY LEVELS
ENERGY RANGE
INTERACTIONS
IODINE 127
IRRADIATION
LITHIUM
MEASURED VALUES
NEON 22
NUCLEAR REACTIONS
PHOTONS
PHYSICS AND MATHEMATICS
POTASSIUM 39
POTASSIUM IODIDES
PROTON BEAMS
PROTONS
SODIUM 23
SODIUM IODIDES
SPECTRA
TARGETS
TELLURIUM 126
THALLIUM
XENON 132