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Abstract <p>A two-channel scintillation spectrometer with a thickness of 0.5<i>X</i><sub>0</sub> has been calibrated on the secondary electron beam at the Pakhra accelerator of the Lebedev Physical Institute, Russian Academy of Sciences. The amplitude and time recording systems of the spectrometer are based on FEU-49 and FEU-85 photomultiplier tubes, respectively. The relative energy resolution of the scintillation spectrometer is ~5% at electron energy <i>E</i> ∼ 30 MeV. The nonlinear dependence of the average channel of the time-resolved spectrum on the electron energy is observed at electron energies <i>E</i> &lt; 40 MeV, and the average channel of the time-resolved spectrum is independent of the energy at <i>E</i> ≥ 40 MeV.</p>

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An Amplitude−Time Scintillation Spectrometer

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • S. M. Akhmad,
  • V. I. Alekseev,
  • V. A. Baskov,
  • V. A. Dronov,
  • A. I. L’vov,
  • A. V. Kolzov,
  • Yu. F. Krechetov,
  • V. V. Poliansky,
  • S. S. Sidorin,
  • E. A. Khafizova

摘要

Abstract

A two-channel scintillation spectrometer with a thickness of 0.5X0 has been calibrated on the secondary electron beam at the Pakhra accelerator of the Lebedev Physical Institute, Russian Academy of Sciences. The amplitude and time recording systems of the spectrometer are based on FEU-49 and FEU-85 photomultiplier tubes, respectively. The relative energy resolution of the scintillation spectrometer is ~5% at electron energy E ∼ 30 MeV. The nonlinear dependence of the average channel of the time-resolved spectrum on the electron energy is observed at electron energies E < 40 MeV, and the average channel of the time-resolved spectrum is independent of the energy at E ≥ 40 MeV.