Abstract
MonteCarlonumericalcalculationsoftheresponseofalanineandammoniumtartrateESR(electronspin resonance)dosimetersexposedtoneutronfieldswithdifferentenergyspectraarereported.Resultshavebeenobtainedforvariousgadoliniumconcentrationsinsidethedosimeters.Furthermore,inorderto simulatethein-phantomresponsewehavecarriedoutcalculationsbyvaryingthedepthofthedosimeter.Wehavefoundthatalargeenhancementisobtainedforthermalneutrons,becauseofthevery highcapturecrosssectionofgadoliniumtothermalneutrons.Agoodenhancementwasobtainedfor epithermalneutrons,whereasthesensitivityimprovementinthecaseoffastneutronirradiationispoor.Furthermore,thesimulationscarriedoutbyvaryingthedepthsuggeststhatanappreciablesensitivitytothermalandepithermalneutronscouldbeobservedforin-phantommeasurementsinthe2–3cmdepthrange.Theseresultscanprovideusefulinsightforfutureexperimentswithepithermalneutronbeams(suchasthoseusedinneutroncapturetherapy)andforfutureapplicationsinneutroncapturetherapydosimetry.
Lingua originale | English |
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pagine (da-a) | 186-189 |
Numero di pagine | 4 |
Rivista | Applied Radiation and Isotopes |
Volume | 67 |
Stato di pubblicazione | Published - 2009 |
All Science Journal Classification (ASJC) codes
- ???subjectarea.asjc.3100.3108???