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Suche nach dem Isomer74mAs

Search for74mAs

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Zeitschrift für Physik

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Abstract

An activity with the decay propertiesT 1/2=(8.0±0.3)sec andE γ=(283±5)keV has been produced bySchardt andGoodman by proton irradiation of thin layers of evaporated73Ge and74Ge on thick gold backings. This activity was interpreted as the new isomer74mAs. In the present experiment a search for74mAs was carried out using the reactions75As(n, 2n),71Ga(α, n) and74Ge(d, 2n).74mAs could not be detected. Upper limits for the reaction cross sections were determined. It is discussed that the reported properties of74mAs resemble the known properties of197mAu.

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Authors and Affiliations

  1. II. Physikalisches Institut der Universität Göttingen, Deutschland

    W. Weirauch & W. -D. Schmidt-Ott

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  1. W. Weirauch
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  2. W. -D. Schmidt-Ott
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Herrn Prof. Dr A.Flammersfeld danken wir sehr für sein förderndes Interesse an den vorliegenden Untersuchungen.

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Weirauch, W., Schmidt-Ott, W.D. Suche nach dem Isomer74mAs. Z. Physik 222, 474–478 (1969). https://doi.org/10.1007/BF01392894

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  • DOI: https://doi.org/10.1007/BF01392894

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