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1、131òOr.pUÔn†ØÔnVol.31,Supp..2007c7HIGHENERGYPHYSICSANDNUCLEARPHYSICSJul.,2007PresentStatusofNIRSECRIonSources*1;2;1)22222M.MuramatsuA.KitagawaY.IwataK.YamamotoH.OgawaS.Hojo22334Y.SakamotoT.HonmaW.TakasugiM.WakaisamiY.Yoshida5562;7T.KuboY.KatoS.BiriA.G.Drentje1(Graduateschool
2、ofEngineering,ToyoUniversity,Japan)2(NationalInstituteofRadiologicalSciences,4-9-1Anagawa,Inage,Chiba263-8555,Japan)3(AcceleratorEngineeringCorporation,Ltd.,2-13-1Konakadai,Inage,Chiba263-0043,Japan)4(DepartmentofMechanicalEngineering,ToyoUniversity,2100Kujirai,Kawagoe,Saitam
3、a350-0815,Japan)5(OsakaUniversity,2-1Yamada-oka,Suita,Osaka565-0871,Japan)6(InstituteofNuclearResearch(ATOMKI),H-4026Debrecen,Benter18/c,Hungary)7(K.V.I.,UniversityofGroningen,Zernikelaan25,9747AAGroningen,Netherlands)AbstractFourECRionsourceshavebeenoperatedinNationalInstitu
4、teofRadiologicalSciences(NIRS).TwoECRionsourcessupplyvariousionspeciesfortheHeavyIonMedicalAcceleratorinChiba(HIMAC).2+The10GHzNIRS-ECRionsourcemainlyproducesCionsfortheheavy-iontherapy.IonsofSi,Ar,Fe,KrandXeareusuallyproducedbythe18GHzNIRS-HECionsourceforphysicalandbiologica
5、lexperiments.TheothertwocompactECRionsourceswithallpermanentmagnetcon gurationhavebeendevelopedforthenewgenerationcarbontherapyfacility.Oneofthese,theKei-source,isaprototypewhichhasbeeninstalledtotheNIRS-930cyclotronforaxialinjection.Theothersource,Kei2-source,isademonstratio
6、nsourceandutilizedforthenewgenerationLinac.Inaddition,bothKeisourceshavebeenusedtostudyfundamentalproperties.Inthispaper,presentstatusoftheionsourcesandrecentdevelopmentsarereported.Keywordsheavyiontherapy,ECR1Introductionousheavyionsforphysicalandbiologicalexperiment.Thetwoc
7、ompactECRionsourceshavebeendevel-Heavy-ioncancertreatmentisbeingcarriedoutopedforthenextgenerationcarbontherapyfacility.attheHeavyIonMedicalAcceleratorinChiba(HI-[3]Kei-sourcehasbeeninstalledtotheNIRS-930cy-MAC)with140
8、400MeV/ncarbonionatNational[4][5]clotronforaxialinjection
9、.Kei2-sourceproducesInstituteofRadiologicalSciences(NIRS).Over28004+
