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Abstract <p>X-ray spectra of natural germanium sample irradiated in the fast neutron flux were measured using Si(Li)-detector during 4800 hours. The half-life of the <InlineEquation ID="IEq3"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11450_2025_3538_Article_IEq3.gif" Format="GIF" Height="10" Rendition="HTML" Resolution="72" Type="Linedraw" Width="13" /> </InlineMediaObject> <EquationSource Format="TEX">\({}^{71}\)</EquationSource> <!--NuclPhys2570015Derbin-m3--> </InlineEquation>Ge nucleus was evaluated to be <InlineEquation ID="IEq4"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11450_2025_3538_Article_IEq4.gif" Format="GIF" Height="20" Rendition="HTML" Resolution="72" Type="Linedraw" Width="169" /> </InlineMediaObject> <EquationSource Format="TEX">\(T_{1/2}=11.4645\pm 0.0036\)</EquationSource> <!--NuclPhys2570015Derbin-m4--> </InlineEquation> days that is consistent with the recent results whilst having a higher accuracy. The possibility of explaining the ‘‘gallium anomaly’’ due to a longer lifetime of <InlineEquation ID="IEq5"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11450_2025_3538_Article_IEq3.gif" Format="GIF" Height="10" Rendition="HTML" Resolution="72" Type="Linedraw" Width="13" /> </InlineMediaObject> <EquationSource Format="TEX">\({}^{71}\)</EquationSource> <!--NuclPhys2570015Derbin-m5--> </InlineEquation>Ge nucleus is therefore strictly rejected.</p>

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A New Precision Measurements of \({}^{{71}}\)Ge Lifetime

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • A. V. Derbin,
  • I. S. Drachnev,
  • D. V. Ivanov,
  • V. N. Muratova,
  • M. V. Trushin,
  • E. V. Unzhakov,
  • A. S. Vorobyev

摘要

Abstract

X-ray spectra of natural germanium sample irradiated in the fast neutron flux were measured using Si(Li)-detector during 4800 hours. The half-life of the \({}^{71}\) Ge nucleus was evaluated to be \(T_{1/2}=11.4645\pm 0.0036\) days that is consistent with the recent results whilst having a higher accuracy. The possibility of explaining the ‘‘gallium anomaly’’ due to a longer lifetime of \({}^{71}\) Ge nucleus is therefore strictly rejected.