Abstract
The experimental results of the investigations of pulse height and energy resolution dependence on the count rate in proportional counters are presented. The measurements were carried out using a fast system of a current mode amplification coupled with a single channel analyzer and a fast scaler. The investigations covered certain single-anode proportional counters as well as the new so-called multicell types of multianode counters. The counters were not only of cylindrical shape with side-window but also with an end-window and of rectangular cathode cross-section. It was found that the measured changes in pulse height and resolution are strongly dependent on the gas filling, counting geometry, shape and dimensions of the cathode and on the operating potential. In addition to this, it was observed that the multicell counters can operate at count rates one order of magnitude higher, on the average, than the conventional single-anode counters.
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