Calculated and experimental response of calcium silicate polycrystalline to high and very-high neutron doses

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dc.contributor.authorGONZALES-LORENZO, CARLOS D.pt_BR
dc.contributor.authorWATANABE, SHIGUEOpt_BR
dc.contributor.authorCAVALIERI, TASSIO A.pt_BR
dc.contributor.authorCANO, NILO F.pt_BR
dc.contributor.authorRAO, T.K.G.pt_BR
dc.contributor.authorCHUBACI, JOSE F.D.pt_BR
dc.contributor.authorCARMO, LUCAS S.pt_BR
dc.contributor.authorBUENO, CARMEN C.pt_BR
dc.coverageInternacionalpt_BR
dc.date.accessioned2020-08-25T19:48:52Z
dc.date.available2020-08-25T19:48:52Z
dc.date.issued2020pt_BR
dc.description.abstractIn the scope to the discovery of new detectors for high and very-high gamma and neutron radiation dose (mGy- MGy), synthetic polycrystals of CaSiO3 have been produced by the devitrification method in our laboratory. CaSiO3 polycrystals were irradiated with thermal, epithermal and a small fraction of fast neutrons. In the position of irradiation, the thermal neutron flux is about 83% of the total neutron flux and the thermal neutron fluences range from 5.82 × 1013 to 2.97 × 1016 n/cm2. This thermal neutron reacts with Ca, Si and O through (n,γ) process, all or part of the gamma emitted in this reaction is absorbed by the sample and is responsible for the induction of thermoluminescence (TL). The total energy emitted by the (n,γ) reaction was calculated analytically. Furthermore, Monte Carlo simulations using MCNP5 radiation transport code was carried out to calculate the deposited dose on CaSiO3 by the neutron interaction finding doses ranging from 42 Gy to 21 kGy. CaSiO3 TL glow curves, after radiation exposure from the reactor, display the main prominent TL peak around 234–259 °C and when exposed to gamma radiation (Co-60) it shows the main TL peak around same 234–272 °C.pt_BR
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)pt_BR
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)pt_BR
dc.description.sponsorshipIDFAPESP: 14/03085-0pt_BR
dc.description.sponsorshipIDCNPq: 162741/2015-4pt_BR
dc.format.extent1-7pt_BR
dc.identifier.citationGONZALES-LORENZO, CARLOS D.; WATANABE, SHIGUEO; CAVALIERI, TASSIO A.; CANO, NILO F.; RAO, T.K.G.; CHUBACI, JOSE F.D.; CARMO, LUCAS S.; BUENO, CARMEN C. Calculated and experimental response of calcium silicate polycrystalline to high and very-high neutron doses. <b>Radiation Physics and Chemistry</b>, v. 172, p. 1-7, 2020. DOI: <a href="https://dx.doi.org/10.1016/j.radphyschem.2020.108820">10.1016/j.radphyschem.2020.108820</a>. Disponível em: http://repositorio.ipen.br/handle/123456789/31383.
dc.identifier.doi10.1016/j.radphyschem.2020.108820pt_BR
dc.identifier.issn0969-806Xpt_BR
dc.identifier.orcidhttps://orcid.org/0000-0001-7881-7254
dc.identifier.percentilfi66.43pt_BR
dc.identifier.percentilfiCiteScore72.00
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/31383
dc.identifier.vol172pt_BR
dc.relation.ispartofRadiation Physics and Chemistrypt_BR
dc.rightsopenAccesspt_BR
dc.subjectthermoluminescence
dc.subjectcalcium silicates
dc.subjectpolycrystals
dc.subjectneutron dosimetry
dc.subjectmonte carlo method
dc.subjectthermal neutrons
dc.subjectneutron reactions
dc.subjectirradiation
dc.subjectreactors
dc.subjectdirect reactions
dc.titleCalculated and experimental response of calcium silicate polycrystalline to high and very-high neutron dosespt_BR
dc.typeArtigo de periódicopt_BR
dspace.entity.typePublication
ipen.autorTASSIO ANTONIO CAVALIERI
ipen.autorCARMEN CECILIA BUENO TOBIAS
ipen.autorLUCAS SATIRO DO CARMO
ipen.codigoautor10137
ipen.codigoautor1592
ipen.codigoautor10273
ipen.contributor.ipenauthorTASSIO ANTONIO CAVALIERI
ipen.contributor.ipenauthorCARMEN CECILIA BUENO TOBIAS
ipen.contributor.ipenauthorLUCAS SATIRO DO CARMO
ipen.date.recebimento20-08
ipen.identifier.fi2.858pt_BR
ipen.identifier.fiCiteScore3.8
ipen.identifier.ipendoc27157pt_BR
ipen.identifier.iwosWoSpt_BR
ipen.range.fi1.500 - 2.999
ipen.range.percentilfi50.00 - 74.99
ipen.type.genreArtigo
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relation.isAuthorOfPublication.latestForDiscovery4e4af233-e27e-43fb-9675-aa6c50cc5f3d
sigepi.autor.atividadeBUENO, CARMEN C.:1592:240:Npt_BR
sigepi.autor.atividadeCARMO, LUCAS S.:10273:-1:Npt_BR
sigepi.autor.atividadeCAVALIERI, TASSIO A.:10137:420:Npt_BR
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