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为配合北京Q3D磁谱仪研究核反应,中国原子能科学研究院已研制了三个焦面探测器:轻粒子、轻重离子和重离子焦面探测器。本工作报道其中的中重离子焦面探测器。该探测器由三个单丝正比计数管和一个电离室串级而成,其中第一和第三个正比计数管是第一和第二位置灵敏探测器x_1和x_2,第二个正比计数管是能量损失探测器△E,最后一个是剩余能量探测器E_R。该探测器的前窗(入射窗)长为500mm,高为30mm,
In order to cooperate with Beijing Q3D magnetic spectrometer to study nuclear reaction, China Institute of Atomic Energy has developed three focal plane detectors: light particle, heavy ion and heavy ion focal plane detector. This work reports one of the heavy ion focal plane detector. The detector is composed of three monofilament proportional counters and an ionization chamber in cascade, where the first and third proportional counters are the first and second position sensitive detectors x_1 and x_2, the second proportional counter Is the energy loss detector △ E, the last one is the remaining energy detector E_R. The detector front window (entrance window) length of 500mm, height 30mm,