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Rotational spectrum of Tm171

Hatch, E. N. and Boehm, F. (1957) Rotational spectrum of Tm171. Physical Review, 108 (1). pp. 113-115. ISSN 0031-899X. doi:10.1103/PhysRev.108.113.

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The gamma rays emitted from Tm171 following the Er171 beta decay have been measured with the twometer curved-crystal spectrometer and a semicircular beta-ray spectrometer, enabling a comparison of the nuclear levels and rotational parameters for the Tm171 ground-state band with the corresponding levels and parameters of Tm169. The measured gamma rays have the following energies in kev: 5.06±0.05, 12.40±0.05, 111.63±0.02, 116.69±0.03, 124.03±0.03, 210.62±0.15, 284.9±0.7, 295.97±0.15, 308.37±0.15. In comparing the rotational parameters, a slight increase in the deformation of Tm171 over that of Tm169 is noted. The relatively large change in the decoupling parameter (a=-0.8563) for Tm171 compared with that of Tm169 cannot be accounted for entirely by the small change in nuclear deformation.

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Additional Information:©1957 The American Physical Society. Received 21 June 1957. We wish to thank Dr. S. A. Moszkowski for a stimulating discussion and Professor J. W. M. DuMond for his continued interest in this work.
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Record Number:CaltechAUTHORS:HATpr57
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:2622
Deposited By: Tony Diaz
Deposited On:13 Apr 2006
Last Modified:08 Nov 2021 19:49

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