In afacilityfortheproductionofradioactiveionbeams(RIBs),thetargetsystemandtheionsourceare the mostcriticalobjects.InthecontextoftheSelectiveProductionofExoticSpecies(SPES)project,a protonbeamdirectlyimpingesaUraniumCarbideproductiontarget,generatingapproximately1013 fissionspersecond.Theradioactiveisotopesproducedbythe 238U fissionsarethendirectedtotheion sourcetoacquireachargestate.Afterthat,theradioactiveionsobtainedaretransported electrostaticallytothesubsequentareasofthefacility.Inthisworkthesurfaceionsourceatpresent adoptedfortheSPESprojectisstudiedbymeansofbothanalyticalandnumericalthermal–electric models.Thetheoreticalresultsarecomparedwithtemperatureandelectricpotentialdifference measurements.
Thermal-electric numerical simulation of a surface ion source for the production of radioactive ion beams
MANZOLARO, MATTIA;MENEGHETTI, GIOVANNI;
2010
Abstract
In afacilityfortheproductionofradioactiveionbeams(RIBs),thetargetsystemandtheionsourceare the mostcriticalobjects.InthecontextoftheSelectiveProductionofExoticSpecies(SPES)project,a protonbeamdirectlyimpingesaUraniumCarbideproductiontarget,generatingapproximately1013 fissionspersecond.Theradioactiveisotopesproducedbythe 238U fissionsarethendirectedtotheion sourcetoacquireachargestate.Afterthat,theradioactiveionsobtainedaretransported electrostaticallytothesubsequentareasofthefacility.Inthisworkthesurfaceionsourceatpresent adoptedfortheSPESprojectisstudiedbymeansofbothanalyticalandnumericalthermal–electric models.Thetheoreticalresultsarecomparedwithtemperatureandelectricpotentialdifference measurements.Pubblicazioni consigliate
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