Use this URL to cite or link to this record in EThOS: | https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.256930 |
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Title: | Orientation of even-even transitional nuclei. | ||||
Author: | Girit, C. |
ISNI:
0000 0001 3500 5416
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Awarding Body: | University of Sussex | ||||
Current Institution: | University of Sussex | ||||
Date of Award: | 1980 | ||||
Availability of Full Text: |
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Abstract: | |||||
The directional distributions of gamma rays from oriented nuclei
have been used to study the level structures of
132
Xe and
154Gd
populated
following the decays of
132
I and
154
Eu respectively. The orientation was
produced by using the hyperfine field in iron to polarize the spin system of
nuclei at a temperature of 15 mK. The low temperature was achieved using
a
3He 4He
dilution refrigerator. The directional distribution of gamma
rays were measured by a high resolution Ge(Li) detector. With these
measurements unique spin assignments were made for most of the levels
below 3 MeV in
132Xe.
The multipole mixing ratios of 28 transitions in
132
Xe and 15 transitions in
154Gd
are given.
The results have been compared with the predictions based on the
generalized collective model of Gneuss and Greiner and with the SU(5), SU(3)
and 0(6) groups of the interacting boson approximation (IBA) model and the
w
dynamic deformation theory based on the pairing plus quadrupole model.
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Supervisor: | Not available | Sponsor: | Not available | ||
Qualification Name: | Thesis (Ph.D.) | Qualification Level: | Doctoral | ||
EThOS ID: | uk.bl.ethos.256930 | DOI: | Not available | ||
Keywords: | Physics, general | ||||
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