Abstract
The radiative recombination probability P of a carrier released from an active TL trap is computed for the case when the TL traps are interactive with the deep traps. It is shown that the value of P remains constant throughout the TL readout heating when the capture coefficients of the recombination centre and the deep trap are equal. When these coefficients are not equal, P undergoes change but its variation with temperature is still insignificant under a wide variety of conditions. A net value P applicable to the area of the glow curve is calculated and compared with the initial (when heating is begun) value of P, which is used in the analytical expression for the area of the glow curve.
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