L X-ray-gamma angular correlations following the decay of139Ce |
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| Authors: | M Behar H E Bosch M C Cambiaggio J Davidson V Silbergleit |
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| Institution: | 1. Laboratorio de Radiaciones, IIAE, Argentina
2. Laboratorio de Fisica Nuclear, Departamento de Fisica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
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| Abstract: | A reinvestigation of theL X-ray-gamma angular correlations following the decay of139Ce is made by using a Si(Li) semiconductor detector asL X-ray detector. Coincidence measurements at five different angles were made between the 166-keV gamma ray and theL X-ray spectrum. The data were handled in two different ways: (i) the counts under theL l +L α+L β+L γ peaks were taken; (ii) the counts under theL l +L α+L β peaks were only considered. Chance coincidences as well as coincidences background were taken into account. The results indicate that no anisotropy is to be found within a margin of error of 6×10?3. |
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