A simple approach to X-ray spectrometry with driftless gas proportional scintillation counters

被引：0

作者：

Simoes, PCPS ^{[1
]}

Covita, DS ^{[1
]}

Monteiro, CMB ^{[1
]}

dos Santos, JMF ^{[1
]}

Morgado, RE ^{[1
]}

机构：

[1] Univ Coimbra, Dept Phys, P-3004516 Coimbra, Portugal

来源：

2001 IEEE NUCLEAR SCIENCE SYMPOSIUM, CONFERENCE RECORDS, VOLS 1-4 | 2002年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Driftless gas proportional scintillation counters are used not only for soft x-ray spectrometry but also for x-rays with energies in the 0.1- to 25-keV region. At the higher energies, however, pulse amplitudes will depend on where the absorption occurred in the detector. Pulse-shape analysis with either analog or digital pulse techniques is required to restore proportionality between the measured pulse and the energy of the x-ray. In this work we describe a simpler approach to driftless gas proportional scintillation counter spectrometry at higher energies. The method eliminates the requirement for additional analog electronics or digital signal processing with only a modest amount of energy-dependent degradation in overall performance. The approach relies on short amplifier time constants and allows tradeoffs in the design of x-ray spectrometers whose performance requirements do not justify the complexity of a fully compensated system. We report the results of a comprehensive study of the performance characteristics of a driftless GPSC using short time constants with no additional compensation and compare its performance with that of a fully compensated digital system as a function of x-ray energy.

引用

页码：289 / 293

页数：5

共 12 条

[1]

BARBERA M, 1994, P SOC PHOTO-OPT INS, V2280, P154, DOI 10.1117/12.186809

[2] DISTORTION EFFECTS IN SOFT-X-RAY ENERGY-SPECTRA FOR XENON GASEOUS DETECTORS - A MONTE-CARLO SIMULATION STUDY [J].