Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/29110
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dc.contributor.authorConte, Valeria-
dc.contributor.authorBIANCHI, Anna-
dc.contributor.authorSelva, Anna-
dc.contributor.authorPetringa, Giada-
dc.contributor.authorCirrone, G. A. Pablo-
dc.contributor.authorParisi, Alessio-
dc.contributor.authorVanhavere, Filip-
dc.contributor.authorColautti, Paolo-
dc.date.accessioned2019-09-06T13:48:06Z-
dc.date.available2019-09-06T13:48:06Z-
dc.date.issued2019-
dc.identifier.citationPhysica Medica-European Journal of Medical Physics, 64(3), p. 114-122-
dc.identifier.issn1120-1797-
dc.identifier.urihttp://hdl.handle.net/1942/29110-
dc.description.abstractA new mini-TEPC with cylindrical sensitive volume of 0.9mm in diameter and height, and with external diameter of 2.7 mm, has been developed to work without gas flow. With such a mini counter we have measured the physical quality of the 62 MeV therapeutic proton beam of CATANA (Catania, Italy). Measurements were performed at six precise positions along the Spread-Out Bragg Peak (SOBP): 1.4, 19.4, 24.6, 29.0, 29.7 and 30.8 mm, corresponding to positions of clinical relevance (entrance, proximal, central, and distal-edge of the SOBP) or of high lineal energy transfer (LET) increment (distal-dose drop off). Without refilling the microdosimeter with new gas, the measurements were repeated at the same positions 4 months later, in order to study the stability of the response in sealed-mode operation. From the microdosimetric spectra the frequency-mean lineal energy yF and the dose-mean lineal energy yD were derived and compared with average LET values calculated by means of Geant4 simulations. The comparison points out, in particular, a good agreement between microdosimetric yD and the total dose-average LET_d, which is the average LET of the mixed radiation field, including the contribution by nuclear reactions.-
dc.description.sponsorshipThis work was supported by the Italian Institute for Nuclear Physics(INFN). The Belgian nuclear research centre SCK·CEN and HasseltUniversity provide a Phd scholarship-
dc.language.isoen-
dc.publisherELSEVIER SCI LTD-
dc.rights2019 Associazione Italiana di Fisica Medica. Published by Elsevier Ltd. All rights reserved-
dc.subject.otherTEPC; Microdosimetry; Proton therapy; Proton RBE-
dc.titleMicrodosimetry at the CATANA 62 MeV proton beam with a sealed miniaturized TEPC-
dc.typeJournal Contribution-
dc.identifier.epage122-
dc.identifier.issue3-
dc.identifier.spage114-
dc.identifier.volume64-
local.bibliographicCitation.jcatA1-
local.publisher.placeTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND-
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local.type.refereedRefereed-
local.type.specifiedArticle-
dc.source.typeArticle-
dc.identifier.doi10.1016/j.ejmp.2019.06.011-
dc.identifier.isiWOS:000485006200016-
dc.identifier.eissn-
local.provider.typeWeb of Science-
item.validationecoom 2020-
item.fulltextWith Fulltext-
item.contributorConte, Valeria-
item.contributorBIANCHI, Anna-
item.contributorSelva, Anna-
item.contributorPetringa, Giada-
item.contributorCirrone, G. A. Pablo-
item.contributorParisi, Alessio-
item.contributorVanhavere, Filip-
item.contributorColautti, Paolo-
item.accessRightsRestricted Access-
item.fullcitationConte, Valeria; BIANCHI, Anna; Selva, Anna; Petringa, Giada; Cirrone, G. A. Pablo; Parisi, Alessio; Vanhavere, Filip & Colautti, Paolo (2019) Microdosimetry at the CATANA 62 MeV proton beam with a sealed miniaturized TEPC. In: Physica Medica-European Journal of Medical Physics, 64(3), p. 114-122.-
crisitem.journal.issn1120-1797-
crisitem.journal.eissn1724-191X-
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