LAPECR2离子源在320kV高压平台上的试运行

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1、131òOr.pUÔn†ØÔnVol.31,Supp..2007c7HIGHENERGYPHYSICSANDNUCLEARPHYSICSJul.,2007CommissioningTestofLAPECR2Sourceonthe320kVHVPlatform*1)SUNLiang-TingLIJin-YuZHANGXue-ZhenWANGHuiMABao-HuaLIXi-XiaFENGYu-ChengSONGMing-TaoZHUYu-HuaZHAOLi-MinWANGPing-ZhiLIUHui-PingZHAOHong-WeiMAXin-WenZHANWen-Long(Instit

2、uteofModernPhysics(IMP),ChineseAcademyofSciences,Lanzhou730000,China)AbstractThehighchargestateallpermanentElectronCyclotronResonanceIonSource(ECRIS)LAPECR2(LanzhouAllPermanentmagnetECRionsourceNo.2)hasbeensuccessfullyputonthe320kVHVplatformatIMPandalsohasbeenconnectedwiththesuccessiveLEBTsystem.

3、ThissourceisthelargestandheaviestallpermanentmagnetECRISintheworld.Themaximummirroreldis1.28T(withoutironplug)andtheeectiveplasmachambervolumeisaslargeas67mm255mm.Itwasdesignedtobeoperatedat14.5GHzandaimedtoproducemediumchargestateandhighchargestategaseousandalsometallicionbeams.Thesourcehasa

4、lreadysuccessfullydeliveredsomeintensegaseousionbeamstosuccessiveexperimentalterminals.ThispaperwillgiveabriefoverviewofthebasicfeaturesofthispermanentmagnetECRIS.Thencommissioningresultsofthissourceontheplatform,thedesignoftheextractionsystemtogetherwiththesuccessiveLEBTsystemwillbepresented.Key

5、wordsECR,highcharge,beamtransmission1Introductionheavyionformanyyears.TheHIRFLlowenergyECRionsourceplatformandtheHIRFLaccelerators[1]WiththeprominentdevelopmentofElectronCy-togetherwiththelatest-builtHIRFL-CSR(CoolerclotronResonance(ECR)ionsourceinthelasttwoStorageRings)willprovidethephysicsresea

6、rchesiondecades,ithasbecomethemostecientandin-beamscoveringalargeenergyrange.AndtofurtherdispensablemachinetoproduceintensehighchargeextendthepresentenergyrangeavailableinInstitutestateionbeams.ECRionsourcealsoprovesitsob-ofModernPhysics(IMP),a320kVhighvoltage(HV)viousimportanceintheeldssuchasa

7、cceleratorde-platformhasbeenrecentlybuilt.Amultiplechargevelopment,atomicresearch,materialphysicsandbi-allpermanentmagneticECRionsourceLAPECR2ologytechniquesetc.Andtheavailabilityoflowen-hasbeendesigned,builtandinstall