Proportional quartz-glass counter for detecting external X-rays

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作者
Kuzminov, VV
Yants, VE
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T [工业技术];
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08 ;
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The described counter incorporates a cathode of pyrolytic graphite and a similar to 0.15-mm-thick entrance window with similar to 5-cm(2) area. The counter service life, being defined by a change of 1% in the gas-amplification coefficient M, exceeds 1.1 x 10(-3) C/cm (i.e., 1.5 x 10(10) pulses/cm for 22.2-keV X-rays at M = 447). In the -50 to +120 degrees C temperature range, the value of M and energy resolution are virtually constant. The resolution of the 22.2-keV X-ray line is 7.3% for a 100-s(-1) count rate.
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页码:427 / 428
页数:2
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