Abstract
The gamma decay mode and the possible spin values of the second excited state of48Ca (E x =4.28 MeV) were investigated by studying the48Ca(p, p′γ) reaction at an incident proton energy of 10.30 MeV. No ground state gamma transition was observed. The analysis of thep 2 -γ angular correlation — using method II of Litherland and Ferguson — supports the spin assignmentI=0 for this level and excludes all spin values higher thanI=1.
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We are indebted to Prof. W. Gentner for making available to us the facilities of the tandem accelerator and to Prof. O. Haxel for his interest in this work. We gratefully acknowledge the supply of the enriched48Ca material by Prof. H. Morinaga and his encouragement to this study. We would also like to thank Drs. L. Lassen, T. Scholz, and H. J. Unsöld for helpful discussions and Dipl.-Phys. W. G. Alberts for his help during the measurement. The Bundesministerium für wissenschaftliche Forschung supported this work.
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Bodenmiller, K.H., Buhl, S. & Kabsch, W. Spin assignment for the 4.28 MeV level in48Ca by means of the48Ca (p, p′γ) reaction. Z. Physik 231, 468–474 (1970). https://doi.org/10.1007/BF01642536
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DOI: https://doi.org/10.1007/BF01642536