RT Journal Article
T1 Characterization and performance of the DTAS detector
A1 Fraile Prieto, Luis Mario
A1 Vedia Fernández, María Victoria
A1 otros, ...
AB DTAS is a segmented total absorption y-ray spectrometer developed for the DESPEC experiment at FAIR. It is composed of up to eighteen NaI(Tl) crystals. In this work we study the performance of this detector with laboratory sources and also under real experimental conditions. We present a procedure to reconstruct offline the sum of the energy deposited in all the crystals of the spectrometer, which is complicated by the effect of NaI(Tl) light-yield non-proportionality. The use of a system to correct for time variations of the gain in individual detector modules, based on a light pulse generator, is demonstrated. We describe also an event-based method to evaluate the summing-pileup electronic distortion in segmented spectrometers. All of this allows a careful characterization of the detector with Monte Carlo simulations that is needed to calculate the response function for the analysis of total absorption gamma-ray spectroscopy data. Special attention was paid to the interaction of neutrons with the spectrometer, since they are a source of contamination in studies of beta-delayed neutron emitting nuclei.
PB Elsevier Science BV
SN 0168-9002
YR 2018
FD 2018-12-01
LK https://hdl.handle.net/20.500.14352/13254
UL https://hdl.handle.net/20.500.14352/13254
LA eng
NO © 2018 Elsevier B.V. All rights reserved. Artículo firmado por 45 autores. This work has been supported by the Spanish Ministerio de Economía y Competitividad under grants FPA2011-24553, AIC-A-2011-0696, FPA2014-52823-C2-1-P and the program Severo Ochoa (SEV-2014-0398), by the European Commission under the FP7/EURATOM contract 605203, and by the Spanish Ministerio de Educación Cultura y Deporte under the FPU12/01527 grant. The work was also supported by the UK Science and Technology Facilities Council (STFC) grant ST/P005314/1. E. Ganioglu was supported by the Istanbul University Scientific Research Project Unit under FYO-2017-24144 project.
NO Unión Europea. FP7
NO Ministerio de Economía y Competitividad (MINECO)
NO Centro de Excelencia Severo Ochoa
NO Ministerio de Educación Cultura y Deporte
NO UK Science and Technology Facilities Council (STFC)
NO Istanbul University Scientific Research Project Unit
DS Docta Complutense
RD 5 abr 2025