Fractional charge collection technique for pile-up reduction - counting low intensity radiation in presence of intense gamma-ray and neutron background

Vartsky, D.; Thomas, Brian; Prestwich, W.V.

doi:10.1016/0029-554x(77)90428-1

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1979

1988

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Cited by 13 publications

(2 citation statements)

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“…105 Thirty very ill surgical patients requiring intravenous nutrition were randomized into two groups of 15 patients each. Group I received 40.3 ± 2.0 kcal kg-1day-1 and 0.27 ± 0.01 g N kg-1day-1. Group II received 53.4 ± 6.8 kcal kg~~day~~ and 0.36 ± g N kg lday 1.…”

Section: Depletionmentioning

confidence: 99%

Clinical Measurement of Body Composition Using In Vivo Neutron Activation Analysis

Beddoe

Hill

1985

J Parenter Enteral Nutr

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Section: Depletionmentioning

confidence: 99%

Clinical Measurement of Body Composition Using In Vivo Neutron Activation Analysis

Beddoe

Hill

1985

J Parenter Enteral Nutr

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“…Several authors have recognized the problem of pileup in prompt capture gamma spectroscopy using NaI(T1) detectors [1,2,3,4].…”

Section: Introductionmentioning

confidence: 99%

A signal processor for high counting rate gamma ray spectroscopy with NaI(Tl) detectors

Drndarevic

Ryge

Gozani

1988

IEEE Trans. Nucl. Sci.

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A high counting rate signal processor for prompt gamma neutron activation analysis (PGNAA) using NaI(T1) detectors is described. The specific application is a very low rate, high energy gamma ray in the presence of a high rate at lower energies, producing pile-up at the energy of interest. Several methods for improving high counting rate performance such as shortening of the detector signal, base line inspection, pile-up rejection and filtering, have been investigated and implemented. The processor was experimentally evaluated at high counting rates. allows counting rates to 400,000 counts per second without significant distortion of the spectrum due to pile-up and with a minimum of resolution degradation. Through the use of an effective pulse width sensitive pile-up rejector, the already suppressed pile-up effect has been further reduced by a factor of three, while rejecting less than 10% of valid counts. High data throughput makes the processor applicable to online process control. Performance has been tested at total counting rates up to 400,000 counts per second, and results are presented.

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The use of body hydrogen as an internal standard in the measurement of nitrogen in vivo by prompt neutron capture gamma-ray analysis

Vartsky

Prestwich

Thomas

et al. 1979

J. Radioanal. Chem.

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Fractional charge collection technique for pile-up reduction - counting low intensity radiation in presence of intense gamma-ray and neutron background

Cited by 13 publications

References 9 publications

Clinical Measurement of Body Composition Using In Vivo Neutron Activation Analysis

Clinical Measurement of Body Composition Using In Vivo Neutron Activation Analysis

A signal processor for high counting rate gamma ray spectroscopy with NaI(Tl) detectors

The use of body hydrogen as an internal standard in the measurement of nitrogen in vivo by prompt neutron capture gamma-ray analysis

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