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Angular correlation measurements in O15

Povh, B. and Hebbard, D. F. (1959) Angular correlation measurements in O15. Physical Review, 115 (3). pp. 608-613. ISSN 0031-899X. doi:10.1103/PhysRev.115.608.

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An accurate measurement of the energy of a gamma transition from the 7.56-Mev level in O15 discloses that the transition takes place to the 5.19-Mev level in O15 rather than to the 5.25-Mev level. Another transition takes place through the 6.15-Mev level. The third known transition occurs through the 6.79-Mev level rather than through the 6.86-Mev level. The angular correlations of cascades from the 7.56-Mev level through the levels at 6.79 Mev, 6.15 Mev, and 5.19 Mev are measured. These results, combined with previous results on these levels, are consistent only with Jπ=3/2+ and 3/2-, respectively, for the 6.79-Mev and 6.15-Mev levels. For the 5.19-Mev level, the present results indicate J=1/2, but are consistent also with J=3/2, if a suitable mixing ratio of E2 to M1 radiation is chosen. The preferred assignments are all consistent with the shell-model predictions and with comparisons with the N15 level scheme. It is noted that the doublets near 5.2 Mev in O15 and N15 are reversed in order.

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Additional Information:©1959 The American Physical Society. Received 2 March 1959. The authors wish to thank Professor W.A. Fowler, Professor R.F. Christy, and Professor T. Lauritsen, and Dr. R.W. Kavanagh for many helpful discussions and advice during the course of this work. The cooperation of Mr. J. Domingo, who made available the accurately constructed target chamber and the high-resolution NaI crystal, is gratefully acknowledged. Supported in part by the joint program of the Office of Naval Research and the U.S. Atomic Energy Commission.
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:7261
Deposited By: Tony Diaz
Deposited On:25 Jan 2007
Last Modified:08 Nov 2021 20:40

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