L. Tran, D. Bolst, S. Guatelli, D. Prokopovich, Y. C. Keat, M. Petasecca, M. Lerch, M. Reinhard, A. Fazzi, E. Sagia, S. Agosteo, N. Matsufuji, A. Rosenfeld
{"title":"High spatial resolution microdosimetry with ΔE-E detector on C-12 beam: Monte Carlo simulations","authors":"L. Tran, D. Bolst, S. Guatelli, D. Prokopovich, Y. C. Keat, M. Petasecca, M. Lerch, M. Reinhard, A. Fazzi, E. Sagia, S. Agosteo, N. Matsufuji, A. Rosenfeld","doi":"10.1109/NSSMIC.2013.6829010","DOIUrl":null,"url":null,"abstract":"The response of ΔE-E telescope in C<sup>12</sup> ion beam at defined positions within the Bragg peak at different depths with 0.5mm step was studied using Geant4 Monte Carlo toolkit. The microdosimetric spectra derived from ΔE stage response using assumption that average chord is 1.8 μm along with simulated scatter plots for the same points. It was demonstrated that microdosimetric spectra is changing dramatically within 0.5 mm depth increments close to and at distal part of the BP that is impossible to observe with TEPC. Fragments (He<sup>4</sup>, He<sup>3</sup>, Li<sup>7</sup>, Be<sup>9</sup>, B<sup>11</sup>) and neutrons contributed to microdosimetric spectra and to YD have been analyzed for each position.","PeriodicalId":246351,"journal":{"name":"2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2013-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NSSMIC.2013.6829010","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The response of ΔE-E telescope in C12 ion beam at defined positions within the Bragg peak at different depths with 0.5mm step was studied using Geant4 Monte Carlo toolkit. The microdosimetric spectra derived from ΔE stage response using assumption that average chord is 1.8 μm along with simulated scatter plots for the same points. It was demonstrated that microdosimetric spectra is changing dramatically within 0.5 mm depth increments close to and at distal part of the BP that is impossible to observe with TEPC. Fragments (He4, He3, Li7, Be9, B11) and neutrons contributed to microdosimetric spectra and to YD have been analyzed for each position.
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