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<p>Data on the efficiency of the volume capture of high-energy particles into channeling in a weakly bent crystal are presented. The volume capture of 50-GeV protons in a weakly bent silicon crystal with a bending radius of 5 m (60 critical radii) has been investigated at the U-70 accelerator (Protvino, Russia). The fractions of the deflected beam have been measured to be <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11448_2025_4262_Article_IEq1.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="78" /> </InlineMediaObject> <EquationSource Format="TEX">\((3.6 \pm 1){\kern 1pt} \% \)</EquationSource> <!--JETPLet2560709Chesnokov-m1--> </InlineEquation> and <InlineEquation ID="IEq2"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11448_2025_4262_Article_IEq2.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="90" /> </InlineMediaObject> <EquationSource Format="TEX">\((1.1 \pm 0.3){\kern 1pt} \% \)</EquationSource> <!--JETPLet2560709Chesnokov-m2--> </InlineEquation>, depending on the particle deflection angle and the path in the crystal. The experimental data obtained are in good agreement with the theoretical calculations. The method for deflecting the beam using volume capture is promising for steering secondary particle beams with high angular divergence.</p>

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Volume Capture into Channeling in a Weakly Bent Crystal

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月1日

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  • A. G. Vasil’eva,
  • A. A. Durum,
  • M. Yu. Kostin,
  • V. A. Maisheev,
  • E. V. Parmenova,
  • I. V. Poluektov,
  • Yu. E. Sandomirskii,
  • M. Yu. Chesnokov,
  • Yu. A. Chesnokov,
  • A. A. Yanovich

摘要

Data on the efficiency of the volume capture of high-energy particles into channeling in a weakly bent crystal are presented. The volume capture of 50-GeV protons in a weakly bent silicon crystal with a bending radius of 5 m (60 critical radii) has been investigated at the U-70 accelerator (Protvino, Russia). The fractions of the deflected beam have been measured to be \((3.6 \pm 1){\kern 1pt} \% \) and \((1.1 \pm 0.3){\kern 1pt} \% \) , depending on the particle deflection angle and the path in the crystal. The experimental data obtained are in good agreement with the theoretical calculations. The method for deflecting the beam using volume capture is promising for steering secondary particle beams with high angular divergence.