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https://hdl.handle.net/10316/4474
Título: | A new method for pulse analysis of driftless-gas proportional scintillation counters | Autor: | Simões, P. C. P. S. Covita, D. S. Veloso, J. F. C. A. Santos, J. M. F. dos Morgado, R. E. |
Palavras-chave: | Xenon gaseous detectors; Gas proportional scintillation counters; Driftless; Pulse analysis | Data: | 2003 | Citação: | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 505:1-2 (2003) 247-251 | Resumo: | A new method for pulse analysis of driftless-gas proportional scintillation counters (GPSCs) is presented. With this method the requirement for additional analog or digital signal time-analysis and pulse-amplitude correction currently used is eliminated. In contrast to conventional- and driftless-GPSCs that have always relied on long shaping-time constants (several [mu]s), the use of very short linear amplifier shaping-time constants (~50 ns) enables pulse shapes to closely represent the scintillation light-pulse time-profile. Since the number of detected photons in the photosensor increases continuously with depth due to the increase in the solid angle subtended by the photosensor, a maximum is achieved when the primary electron cloud is closest to the anode. This maximum depends only on the number of primary electrons in that cloud, regardless of where the X-ray absorption took place, and is proportional to the X-ray energy. | URI: | https://hdl.handle.net/10316/4474 | DOI: | 10.1016/S0168-9002(03)01062-3 | Direitos: | openAccess |
Aparece nas coleções: | FCTUC Física - Artigos em Revistas Internacionais |
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filead202797ead242379a96343ba3a8ef47.pdf | 162.12 kB | Adobe PDF | Ver/Abrir |
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