新型高纯锗-HPGe-探测器的原理-使用及其维护

14219975()JournalofXinjiangUniversityVol.14,No.2May.,1997(HPGe)(.,830046)GMxHpGe(eAMMAx.HigPurityGermanium),,,.HReHPGe(LN:)HPEe.Ge(Li).,.,,PN,101/cm,5xl,/cm,.,.PN,,GMX3kev~loMev1HPGe1.1,,,(Er1.02Mev),,,,,,..().C,.R,RV(t)t,.:10.:.}!~~---~V(t)-.199609ol2(HPGe)RcRc))t.2(((((ev)))()))(300oK)))(77oK)))HHHP(;eee0.665554.410:/em3335.339/em,,2.96evvvIX10,0/em333959,,41012..,,.d,V,e,N.,,.V1000V,N51/cm,1.gcm.,(100%)d,N,(10,).13HPGe()0.665ev,,,,.,11oX120x,(FET)(,),..120X,,,77x.,HPGe85x110x(188163).2HPGe2.1(I,)t,..,FET.PA,10v,10ov,500v,50OV4000VInA.NL30PA,PIL100PA,.2.2tt250,od/sCO60COS,Cs,Fe55AM,,.40968192RMS,100MH:,.()1997,IKC,6S,()./,CO,(1.33MevAL80%90%),1.33Mev1,000,C06O,,FWHMKev,.p/z,.2.3t,,,,,..(l)1.33Mev9v,,10mv~15mv,40,VppmvFWHM1.oKev.1.33Mev2.oKev,(2),a.eOS,122Kevsv,,122Kev6400,136.47Kev7156,.b.(),Test,,122Kev136.47Kev..(),5000~10000,FWHM1.33Mev.,.2.4,CO25om,CO,,()1.210100%:/,3y,,GMXHPGe.(1)HPGe,,2(HPGe),.(2).,~10,,,,.,.(3)HPGeLN:,,6h~8h16h24h,,Swdown,.,LN:,LN:,.(4),,,,.(5),,.(6),,,,,..(7)IKV,,,.(8),,18V,(FET).(9)(LN:)1.6/~2.0/,,30(),LN:,.LN:LN:,LN:.1GMXSeriseHPGeeoaxialteetorsystem0PeratorsManual2(),3,PrineiPleUsageandMaintenanceofNewTyPeofHighPurityGermaniumDetectorErkin.Abdulim(ientifieReseareh)PartmentofXinjiaogUniversity)AbstraCtAsanexample,theworkingprineiple,themeasurementsofteehniealindex,andtheoperations,aswellasthegeneralmaintenaneeandprecautionofanewtyofourowngammaxrayhighpuritygermanium(GMXHPGe)deteetoraredesribedanddiseussed.IteanbeusedasaguideforthosewhoalsousethiskindsoftheHPGedeteetors.KeyrdsHPGeDteeorHPGeterIsLuNitrogen(LN:)temrature