Abstract
Highly sensitive spectrometric γ-detection assemblies are developed using a comprehensive approach (optimization of crystal growth conditions as well as of treatment and packing of scintillators, creation of low-noise charge-sensitive preamplifiers and shapers). The detection assemblies with CsI(Tl)≤100 cm 3 have a sensitivity of about 20 pulse/s(mcR/h), their energy resolution with respect to 137Cs γ-line being ≤8.5%. The assemblies with lesser scintillator volumes (1-5 cm 3) provide a resolution lower than 6% with respect to 137Cs and ≤40% with respect to 241Am. © 2004 Elsevier B.V. All rights reserved.
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Semynozhenko, V. P., Grinyov, B. V., Nekrasov, V. V., & Borodenko, Y. A. (2005). Recent progress in the development of CsI(Tl) crystal-Si-photodiode spectrometric detection assemblies. In Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment (Vol. 537, pp. 383–388). https://doi.org/10.1016/j.nima.2004.08.048
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