Development of a web free software for the absolute efficiency calibration for HPGe type detectors
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2019
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International Journal of Advanced Engineering Research and Science
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Resumo
The IEA-R1, swimming pool research reactor,
from the Institute of Energy and Nuclear Research
(IPEN), among other uses, the instrumental neutron
activation analysis technique is widely used, and
successfully, by the Neutron Activation Laboratory
(LAN), using the comparative method. In this method a
sample is irradiated simultaneously with a standard. In
order to overcome the difficulty of a multi -elementary
analysis, because it was necessary to prepare several
standards, the k0 method of neutron activation was
developed. In method k, the concentration of sample
elements is calculated in relation to a comparator
element, generally gold. However, for the use of the k0
method, it is necessary to accurately determine the
detection efficiency in the energy range of interest and the
geometry of the experimental arrangement. In order to
circumvent the manual processing of the data in
spreadsheets, which could be affected by errors, a free
code web software was developed for calibration in
absolute efficiency of an HPGe type detector for neutron
activation analysis based on the k0. We used the free, low
learning curve standardized Python programming
language in the eScience project, which is part of the
software, and the Django web framework with a simple
and intuitive interface. In the system it is possible to
register the detectors, radioactive sources and their
manufacturers, projects and spectra, attributes necessary
to calculate the absolute efficiency of an HPGe type
detector. In addition to calculating efficiency, the system
plots the graph with the efficiency points, trend curve,
with possibility of adjustments, and error bar
representing the uncertainties. The system issues reports
on spectra and efficiency data for each project. The
reports make it possible to check the data as well as its
use in other applications. Because it is a web software, its
access is allowed from any device with an internet
connection. Another result obtained with the system is the reduction of the possibility of errors with the manual
treatment of the data in spreadsheets.
Como referenciar
KAISER, THIAGO J.S.; SEMMLER, RENATO; LIMA, GEAN B. de. Development of a web free software for the absolute efficiency calibration for HPGe type detectors. International Journal of Advanced Engineering Research and Science, v. 6, n. 5, p. 318-327, 2019. DOI: 10.22161/ijaers.6.5.42. Disponível em: http://repositorio.ipen.br/handle/123456789/30406. Acesso em: 23 Apr 2024.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.