论文标题

硅$4π$光谱仪,用于$β$ -DECAY电子,具有3〜MEV的能量

Silicon $4π$ spectrometer for $β$-decay electrons with energies up to 3~MeV

论文作者

Alexeev, I. E., Bakhlanov, S. V., Chmel, E. A., Derbin, A. V., Drachnev, I. S., Kotina, I. M., Mikulich, M. S., Muratova, V. N., Nyazova, N. V., Semenov, D. A., Trushin, M. V., Unzhakov, E. V.

论文摘要

我们介绍了最初开发的$β$ -Spectrometer的描述,该光谱是由两个Si(li) - 检测器组成的,其敏感面积厚度高于8〜mm和$4π$ - 几何。完整的吸收光谱仪允许直接测量$β$ -Spectra,无视由电子从晶体表面反向散射引起的响应函数的校正。如果$β$ -Spectra向女儿同位素的激发状态的过渡状态,则使用3英寸BGO检测器,以检测$γ$ - Quanta与这对Si(Li) - 光谱仪一致。

We present a description of the originally developed $β$-spectrometer consisting of two Si(Li)-detectors with sensitive area thickness above 8~mm and $4π$-geometry. The full absorption spectrometer allows for direct measurements of $β$-spectra, disregarding the corrections to the response function induced by the electron backscattering from the crystal surface. In case of $β$-spectra of transitions to the excited state of the daughter isotope additional 3" BGO-detector is used in order to detect the $γ$-quanta in coincidence with the pair of Si(Li)-spectrometers.

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