Stability study and time resolution measurement of Straw Tube detectors

24 Jul 2020  ·  Roy S., Jaiswal S., Chatterjee S., Sen A., Das S., Ghosh S. K., Raha S., Lysan V. M., Kekelidze G. D., Myalkovsky V. V., Biswas S. ·

Straw tube detectors are single wire proportional counters that are widely used as a tracking device. We have carried out R$\&$D with a straw tube detector prototype... The motivation of this work is to study the stability of the performance in terms of gain and energy resolution of the straw tube detectors under high rate radiation. Two different methods are incorporated to perform this study. The gain and energy resolution of the detector are studied along with its variation with ambient temperature and pressure. X-ray from a radioactive source is used to irradiate the detector and the same source is also used to monitor the energy spectra simultaneously for calculation of gain. Variation of the gain and energy resolution of the straw tube detector under X-ray irradiation in Ar/CO$_2$ gas mixture is discussed in this article. We have also estimated the time resolution of the straw tube detectors that can be best achieved with cosmic rays as trigger for the same gas mixture. The details of the measurement process and the experimental results are presented in this article. read more

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Instrumentation and Detectors High Energy Physics - Experiment