Abstract

Results are presented on the transient electrical conductivity observed in ultrahigh-molecular-weight polyethylene irradiated with nanosecond pulses of 3 MeV electrons. The data were obtained by measuring the microwave absorption with microwaves in the 26.5 to 38 GHz range, using the time-resolved microwave conductivity technique. Charge migration is observed with an average lifetime of approximately 7 ns. The mobility of the charge carriers is estimated to be 1*10/sup -4/ m/sup 2//Vs.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

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