Anti-universe ray system for internal exposure measurement and anti-coincidence method
A technology of cosmic rays and measurement results, applied in the field of anti-cosmic rays, can solve the high problems of shielding rooms, and achieve the effects of reducing intake, reducing radiation damage, and improving the lower limit of detection
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[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0026] like figure 1 As shown, a kind of anti-cosmic ray system for internal irradiation measurement provided by the present invention comprises: the anticoincidence detector 6 arranged inside the shielded room 8 containing the high-purity germanium detector 7, arranged outside the shielded room 8, and The electronic device 18 connected to the anti-coincidence detector 6 and the high-purity germanium detector 7, the electronic device 18 includes an anti-coincidence circuit and a multi-channel analyzer 14, and the anti-coincidence detector 6 is used to detect cosmic ray signals from the outside.
[0027] like figure 2 As shown, the anti-coincidence detector 6 includes: a flat scintillator 1, an aluminum film (not shown in the figure), a light-shielding film 2, and a protective film 3 wrapped in turn around the scintillator 1. The above three films are ...
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