gamma-Ray position reconstruction in large monolithic LaCl3(Ce) crystals with SiPM readout

We report on the spatial response characterization of large LaCl3(Ce) monolithic crystals optically coupled to 8 x 8 pixel silicon photomultiplier (SiPM) sensors. A systematic study has been carried out for 511 keV gamma-rays using three different crystal thicknesses of 10 mm, 20 mm and 30 mm, all o...

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Detalles Bibliográficos
Autores: Babiano-Suárez, V., Caballero Ontanaya, Luis, Calvo, D., Ladarescu, I., Olleros, P., Domingo Pardo, César
Tipo de recurso: artículo
Estado:Versión enviada para evaluación y publicación
Fecha de publicación:2019
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/208884
Acceso en línea:http://hdl.handle.net/10261/208884
Access Level:acceso abierto
Palabra clave:Gamma-ray
Position-sensitive detectors
Monolithic crystals
Spatial resolution
Neural networks
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spelling gamma-Ray position reconstruction in large monolithic LaCl3(Ce) crystals with SiPM readoutBabiano-Suárez, V.Caballero Ontanaya, LuisCalvo, D.Ladarescu, I.Olleros, P.Domingo Pardo, CésarGamma-rayPosition-sensitive detectorsMonolithic crystalsSpatial resolutionNeural networksWe report on the spatial response characterization of large LaCl3(Ce) monolithic crystals optically coupled to 8 x 8 pixel silicon photomultiplier (SiPM) sensors. A systematic study has been carried out for 511 keV gamma-rays using three different crystal thicknesses of 10 mm, 20 mm and 30 mm, all of them with planar geometry and a base size of 50 x 50 mm(2). In this work we investigate and compare two different approaches for the determination of the main gamma-ray hit location. On one hand, methods based on the fit of an analytical model for the scintillation light distribution provide the best results in terms of linearity and field of view, with spatial resolutions close to similar to 1 mm FWHM. On the other hand, position reconstruction techniques based on neural networks provide similar linearity and field-of-view, becoming the attainable spatial resolution similar to 3 mm FWHM. For the third space coordinate z or depth-of-interaction we have implemented an inverse linear calibration approach based on the cross-section of the measured scintillation-light distribution at a certain height. The detectors characterized in this work are intended for the development of so-called Total Energy Detectors with Compton imaging capability (i-TED), aimed at enhanced sensitivity and selectivity measurements of neutron capture cross sections via the time-of-flight (TOF) technique.ElsevierMinisterio de Economía y Competitividad (España)Ministerio de Ciencia, Innovación y Universidades (España)European CommissionConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2020202020192020info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Preprintinfo:eu-repo/semantics/submittedVersionhttp://hdl.handle.net/10261/208884reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/EC/H2020/681740info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/FPA2014-52823-C2-1-Pinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/FPA2017-83946-C2-1-Pinfo:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/SEV-2014-0398http://dx.doi.org/10.1016/j.nima.2019.03.079Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/2088842026-05-22T06:33:51Z
dc.title.none.fl_str_mv gamma-Ray position reconstruction in large monolithic LaCl3(Ce) crystals with SiPM readout
title gamma-Ray position reconstruction in large monolithic LaCl3(Ce) crystals with SiPM readout
spellingShingle gamma-Ray position reconstruction in large monolithic LaCl3(Ce) crystals with SiPM readout
Babiano-Suárez, V.
Gamma-ray
Position-sensitive detectors
Monolithic crystals
Spatial resolution
Neural networks
title_short gamma-Ray position reconstruction in large monolithic LaCl3(Ce) crystals with SiPM readout
title_full gamma-Ray position reconstruction in large monolithic LaCl3(Ce) crystals with SiPM readout
title_fullStr gamma-Ray position reconstruction in large monolithic LaCl3(Ce) crystals with SiPM readout
title_full_unstemmed gamma-Ray position reconstruction in large monolithic LaCl3(Ce) crystals with SiPM readout
title_sort gamma-Ray position reconstruction in large monolithic LaCl3(Ce) crystals with SiPM readout
dc.creator.none.fl_str_mv Babiano-Suárez, V.
Caballero Ontanaya, Luis
Calvo, D.
Ladarescu, I.
Olleros, P.
Domingo Pardo, César
author Babiano-Suárez, V.
author_facet Babiano-Suárez, V.
Caballero Ontanaya, Luis
Calvo, D.
Ladarescu, I.
Olleros, P.
Domingo Pardo, César
author_role author
author2 Caballero Ontanaya, Luis
Calvo, D.
Ladarescu, I.
Olleros, P.
Domingo Pardo, César
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Ministerio de Economía y Competitividad (España)
Ministerio de Ciencia, Innovación y Universidades (España)
European Commission
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Gamma-ray
Position-sensitive detectors
Monolithic crystals
Spatial resolution
Neural networks
topic Gamma-ray
Position-sensitive detectors
Monolithic crystals
Spatial resolution
Neural networks
description We report on the spatial response characterization of large LaCl3(Ce) monolithic crystals optically coupled to 8 x 8 pixel silicon photomultiplier (SiPM) sensors. A systematic study has been carried out for 511 keV gamma-rays using three different crystal thicknesses of 10 mm, 20 mm and 30 mm, all of them with planar geometry and a base size of 50 x 50 mm(2). In this work we investigate and compare two different approaches for the determination of the main gamma-ray hit location. On one hand, methods based on the fit of an analytical model for the scintillation light distribution provide the best results in terms of linearity and field of view, with spatial resolutions close to similar to 1 mm FWHM. On the other hand, position reconstruction techniques based on neural networks provide similar linearity and field-of-view, becoming the attainable spatial resolution similar to 3 mm FWHM. For the third space coordinate z or depth-of-interaction we have implemented an inverse linear calibration approach based on the cross-section of the measured scintillation-light distribution at a certain height. The detectors characterized in this work are intended for the development of so-called Total Energy Detectors with Compton imaging capability (i-TED), aimed at enhanced sensitivity and selectivity measurements of neutron capture cross sections via the time-of-flight (TOF) technique.
publishDate 2019
dc.date.none.fl_str_mv 2019
2020
2020
2020
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Preprint
info:eu-repo/semantics/submittedVersion
format article
status_str submittedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/208884
url http://hdl.handle.net/10261/208884
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/EC/H2020/681740
info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/FPA2014-52823-C2-1-P
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/FPA2017-83946-C2-1-P
info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/SEV-2014-0398
http://dx.doi.org/10.1016/j.nima.2019.03.079
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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