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中国科学院近代物理研究所和兰州重离子研究装置年报:英文版
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  • 简介:UpgradeofGoosyDataAcquisitionSystem¥WangShujin;WangYanyu;XingJianping;GuoTianruiandJiaoDunpangAdataacquisitionsystemnamedGoos...

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  • 简介:TargetResiduesfromInteractionofUraniumwith20MeV/u40ArIons¥QinZhi;LiWenxin;SunTongyu;ZhaoLin;ZhangXiang;YinXinming;?..

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  • 简介:Vanadiumalloys(V-Cr-Tiseries)areimportantcandidatematerialsforblanketcomponentsoffusionreactorsduetotheirlowactivationandhighstrengthatelevatedtemperatures.Low-temperatureirradiationembrittlementdeterminestheoperationtemperaturelimitofVanadiumalloysfortheapplicationtostructuralmaterialsoffusionreactorsirradiationresponseofvanadiumalloysneedstobeclarifiedfortheirapplication.Inthepresentstudy,specimensoftwoalloys(V-4Cr-4TiandV-5Cr-5Ti)wereirradiatedwithenergeticHeionsandheavyionstounderstandhardeningofthealloysduetoheliumaccumulationandcascadedamageproduction.

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  • 简介:Recently,theirradiationeffectsinnanomaterialshavebeenahottopicinnanoscience.Althoughirradiationinduceddamageshavebeenstudyingforalongtime,verylimitedresearchhasbeenperformedonthedamagesinducedbyMeV-energyheavyionsingoldnanowires(NWs).Inthiswork,wereportastudyoftheirradiationeffectsonsinglecrystallinegoldNWs,whicharefabricatedelectrochemicallyintheetchediontracktemplates.Theas-preparedgoldNWsontheAu/CusubstratewerecharacterizedbySEMafterdissolvingthepolycarbonate(PC)template,asshowninFig.1(a).GoldNWswithdiametersfrom20to90nmwerefabricatedtostudythesizedependenceofirradiationdamageinducedbytheheavyions.ToguaranteethatthedifferentNWscouldobtainthesameirradiationfluence,theNWswithdifferentdiametersweremixedtogetherandtransferredtotheTEMgrid,asshowninFig.1(b).

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  • 简介:MalignanttumorsorcancershavebecomeoneofthemostfrequentcausesofdeathinChina;cancertherapiesareattractingmuchattention.Becauseofthenoninvasivenatureofradiationtherapy,lesserphysiologicalandpsychologicalburdenisplacedonpatientsthancomparedtothatresultingfromsurgicalorpharmaceuticaltreatments.Hadrontherapy(heavyiontherapyandprotontherapy)isconsideredsuperiorapproachforthetreatmentoftumorslocatedinhighlysensitivetissues(brain,neck,eyes),pediatriccancers,andalsotumorsthatareresistanttoradiotherapy.

  • 标签: NANOPARTICLES HADRON THERAPY
  • 简介:MassYieldDistributionofTargetResiduesfromInteractionofIronwith135MeV/u12CIons¥QinZhi;LiWenxin;ZhaoLin;WenWanx...

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  • 简介:134Csabranchingpointins-processpathwhichisshowninFig.1.Thebranchingratioisdefinedasfβ=λβ/(λβ+λn).Itcouldbededucedfromtheabundanceof134Baand136Basince136Bagoesthroughbothdecayandneutroncaptureof134Cswhile134Baonlyexperiencesdecaychannel[1].Duetoboth134Baand134Baarepures-processnuclei,thisbranchingpointisagoodapproachtodeterminethes-processparameters.Withtemperaturedependentβ-decayrateof134Cs,thetemperatureofs-processcouldbededuced.

  • 标签: PATH GOES IS BE
  • 简介:StrongSignatureDependenceofYrastLevelsin162Lu¥ZhangYuhu;ZhouXiaohong;ZhaoQingzhong;SunXiangfu;LeiXiangguo;GuoYingxia?..

  • 标签: STRONG LU
  • 简介:Thephotonpolarizationtensorcarriesthefundamentalinformationofmagnetizedvacuumormedium[1{5].Acompletedescriptionofthevacuumpolarizationtensorisparticularlycomplicatedtoapproach,sincethevacuumphotonpolarizationtensorisexpressedintermsofadoublesummationofinfiniteserieswithrespecttotwoLandaulevelsoccupiedbyvirtualchargedparticles.MostworkswerefocusingonthestrongfiledlimitwithanassumptionofLowestLandauLevel(LLL)[2,6]InRef.[7]weobtainedafulldescriptionofvacuumpolarizationtensorinresponsetoalltheLandaulevelsatanyfieldstrengthofBforthefirsttimebeyondLLLapproximation,andwefoundoutthattheimaginarypartofthephotonpolarizationtensorξΠbecomesnonzeroatthetimelikemomentaregionQ2>4(M2+2neB)atT=0,i.e..,theLLLapproximationisanalyticallysatisfied[3,7].

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  • 简介:RelativeEnergyCalibrationforMeasurementofParticleCorrelations¥DuanLimin;LiZuyu;JinGenming;HeZhiyong;LuoQingzheng;WuHey...

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  • 简介:FissionwithCompanionofParticlesEmissionin40Ar+159TbandnatAgReactionsat30MeV/u¥DaiGuangxi,FuYanbiao,HeZhiyong;DuanLimi?..

  • 标签: 40Ar
  • 简介:ThedemofacilityofchinaADSinjectorIIwasinstalledinthetunnelin2014.Theon-sitelayoutofdemofacilityisshownintheFig.1.ThedemofaclitymainlyincludesECRIS,LEBT,RFQacclerator,MEBTandTCM6.TheTCM6iscomposedbysixSCHWRcavity,sixSCsoleniodsandfiveBPMs.TheTCM6willbetheprototypeforthefuture2025MeVCADSsuperconductinglinac.ThebeamcommissioningofCADSInjectorIIstartedinJune2015.Itmainlyconsistsofthreesteps.

  • 标签: CADS SUPERCONDUCTING DEMO
  • 简介:Multi-nucleontransferreactionplaysanimportantroleinthesynthesisofnewnuclides[1].Inthereactionsof20Ne+209Bi,someshort-livednucleiproducedbytransferring26nucleonswerediscovered.Theexperimentof20Ne+209Biwasperformedatgas-filledrecoilseparatorinLanzhou[2].A400g/cm2thick209Bitargetwasbombardedwith20NebeamdeliveredbyacceleratorHIRFL.

  • 标签: Multi-nucleon TRANSFER REACTIONS
  • 简介:Thebeamof35MeV/u~(40)ArwasdeliveredbyHIRFL(HeavyIonResearchFacilityatLanzhou).Atargetof674μg/cm~(2197)Auwasusedintheexperiment.Theexperimentwasmadeattheterminaloflargecylindeicalscatteringchamber,inwhichsixtelescopesareusedtomeasurechargedparticlesemittedintherearandmiddle

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