Experiments were carried out with EMI photomultiplier tubes (9815B and 9850B) at 5SDH-2 accelerator and the responses to neutrons with neutron energy ranging between 0.5 MeV and 5 MeV were obtained.

• 在5SDH-2小串列加速器上，选用9815B和9850B两种光电倍增管进行实验，得到了光电倍增管的中子直照灵敏度能谱响应曲线。