Gamma-rays from the 7.56 MeV LeVel in O^<15>

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概要

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• The gamma-rays from the N^<14>(p,γ)O^<15> reaction at the E_p=278 kev resonance, corresponding to the 7.56 MeV level in O^<15>, were studied with a large crystal scintillation spectrometer. The direct ground state transition gamma-ray of about 3% in intensity of the total decay was found to exist in addition to the three known cascade lines. Angular distributions of these gamma-rays are all isotropic, supporting the Jπ=1/2+ assignment to the resonance state. The transition strength (radiation width in units of Weisskopf single particle width) of the direct ground state transition El gamma-ray is calculated to be │M│^2=4.15×10^<-6>, which is by a factor of 10^<-4> smaller than the normal El transition strength found in light nuclei. Other transitions in O^<15> are estimated to be of normal strength compared with Wilkinson's estimation.

• 社団法人日本物理学会の論文
• 1960-09-05

著者

• Okano Kotoyuki

  Department of Natural Science, Physics Laboratory,Faculty of Engineering,Himeji Institute of Technol

• Tabata Tatsuo

  Department Of Physics Faculty Of Science Kyoto University

• Tabata T.

  Department Of Biology Faculty Of Science Hokkaido University

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