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Abstract <p>Based on Nd(III) 3,5,5-trimethylhexanoate and an additional solvent TBP, the composition of a liquid organic scintillator for the determination of double neutrinoless <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11450_2025_3555_Article_IEq1.gif" Format="GIF" Height="17" Rendition="HTML" Resolution="72" Type="Linedraw" Width="15" /> </InlineMediaObject> <EquationSource Format="TEX">\(\beta\)</EquationSource> <!--NuclPhys2570035Veresnikova-m1--> </InlineEquation> decay was developed in LAB. IR spectroscopy has shown that TBP forms additional coordination bonds with neodymium carboxylate and thereby prevents its hydrolysis and polymerization. It has been shown that the optimal method for studying the purity and stability of a scintillator is UV spectrophotometry. The light yield of the scintillator composition [LAB <InlineEquation ID="IEq2"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11450_2025_3555_Article_IEq2.gif" Format="GIF" Height="13" Rendition="HTML" Resolution="72" Type="Linedraw" Width="14" /> </InlineMediaObject> <EquationSource Format="TEX">\(+\)</EquationSource> <!--NuclPhys2570035Veresnikova-m2--> </InlineEquation> BPO (3 g/L) <InlineEquation ID="IEq3"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11450_2025_3555_Article_IEq2.gif" Format="GIF" Height="13" Rendition="HTML" Resolution="72" Type="Linedraw" Width="14" /> </InlineMediaObject> <EquationSource Format="TEX">\(+\)</EquationSource> <!--NuclPhys2570035Veresnikova-m3--> </InlineEquation> TBP (6.3<InlineEquation ID="IEq4"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11450_2025_3555_Article_IEq4.gif" Format="GIF" Height="16" Rendition="HTML" Resolution="72" Type="Linedraw" Width="15" /> </InlineMediaObject> <EquationSource Format="TEX">\(\%\)</EquationSource> <!--NuclPhys2570035Veresnikova-m4--> </InlineEquation>) <InlineEquation ID="IEq5"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11450_2025_3555_Article_IEq2.gif" Format="GIF" Height="13" Rendition="HTML" Resolution="72" Type="Linedraw" Width="14" /> </InlineMediaObject> <EquationSource Format="TEX">\(+\)</EquationSource> <!--NuclPhys2570035Veresnikova-m5--> </InlineEquation> Nd (<InlineEquation ID="IEq6"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11450_2025_3555_Article_IEq6.gif" Format="GIF" Height="14" Rendition="HTML" Resolution="72" Type="Linedraw" Width="64" /> </InlineMediaObject> <EquationSource Format="TEX">\(5.9\pm 0.2\)</EquationSource> <!--NuclPhys2570035Veresnikova-m6--> </InlineEquation> g/L)] is 78<InlineEquation ID="IEq7"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11450_2025_3555_Article_IEq4.gif" Format="GIF" Height="16" Rendition="HTML" Resolution="72" Type="Linedraw" Width="15" /> </InlineMediaObject> <EquationSource Format="TEX">\(\%\)</EquationSource> <!--NuclPhys2570035Veresnikova-m7--> </InlineEquation> relative to the scintillator [LAB <InlineEquation ID="IEq8"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11450_2025_3555_Article_IEq2.gif" Format="GIF" Height="13" Rendition="HTML" Resolution="72" Type="Linedraw" Width="14" /> </InlineMediaObject> <EquationSource Format="TEX">\(+\)</EquationSource> <!--NuclPhys2570035Veresnikova-m8--> </InlineEquation> BPO (3 g/L)].</p>

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Optimization of the Composition of Nd-Containing Scintillator to Increase Its Light Yield and Stability

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • A. V. Veresnikova,
  • Z. Yu. Isupova,
  • B. V. Lokshin,
  • V. P. Morgalyuk,
  • A. M. Nemeryuk,
  • G. Ya. Novikova,
  • S. A. Elcheparova,
  • E. A. Yanovich

摘要

Abstract

Based on Nd(III) 3,5,5-trimethylhexanoate and an additional solvent TBP, the composition of a liquid organic scintillator for the determination of double neutrinoless \(\beta\) decay was developed in LAB. IR spectroscopy has shown that TBP forms additional coordination bonds with neodymium carboxylate and thereby prevents its hydrolysis and polymerization. It has been shown that the optimal method for studying the purity and stability of a scintillator is UV spectrophotometry. The light yield of the scintillator composition [LAB \(+\) BPO (3 g/L) \(+\) TBP (6.3 \(\%\) ) \(+\) Nd ( \(5.9\pm 0.2\) g/L)] is 78 \(\%\) relative to the scintillator [LAB \(+\) BPO (3 g/L)].