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← ScienceWhich consequence results when the scintillation detector's efficiency decreases?
A)Lower detection rate of gamma emission✓
B)Improved energy resolution assessment
C)Decreased probability of pulse pileup
D)Increased afterglow signal interference
💡 Explanation
A lower detection rate of gamma emission occurs because decreased efficiency implies fewer photons reach the detection material reducing scintillation events; therefore, the measured activity decreases, rather than improving resolution under identical source flux conditions.
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