A new determination of the Half-Life of 165/66 Dy

David T. Terrell; Surendra Pal

doi:10.22201/igeof.00167169p.1979.18.2.894

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Published: Apr 1, 1979

DOI: https://doi.org/10.22201/igeof.00167169p.1979.18.2.894

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Dysprosium rock radioisotope

David T. Terrell

Universidad Nacional Autónoma de México, Instituto de Geofísica, Ciudad Universitaria, Delegación Coyoacán, 04510, Ciudad de México, México.

Surendra Pal

Universidad Nacional Autónoma de México, Instituto de Geofísica, Ciudad Universitaria, Delegación Coyoacán, 04510, Ciudad de México, México.

Abstract

Inconsistencies in the measurements of dysprosium contents of rocks by instrumental neutron activation analysis (INAA) motivated us to determine the decay constant (λ) for ¹⁶⁵Dy. Our measurements give a half-life of 152 ± 4 min. for this radioisotope, as compared to 139 min. from earlier determinations.

How to Cite

Terrell, D. T., & Pal, S. (1979). A new determination of the Half-Life of 165/66 Dy. Geofisica Internacional, 18(2), 211–217. https://doi.org/10.22201/igeof.00167169p.1979.18.2.894

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Vol. 18 No. 2 (1979): April 1, 1979

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