简介：Wereportonanunexplainedhighstatisticssignalthatmayindicatetheexistenceofasuperlightscalarboson[1].Thequestionwhetherthereexistsa(scalar)bosonwithamassofabout38MeVdoesnotdependexclusivelyontheexistenceofaresonance-likestructure(Fig.1)intheexperimentaldataofRef.[2],yetitisatpresenttheclearestsignalwehavefoundinmanyexperiments.

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简介：FK01isanewstrainofoil-sunflowerwithcytoplasmicmalesterilelineHAasfemaleparentandcytoplasmicmalesterilerestorerline19540asmaleparent.19540isamutantirradiatedbycarbonionwhichseedoilcontentincreases.FK01joined2014Gansuprovinceregionaltestofoil-sunflowerandplantedinsixsites:Jingyuanagriculturaltechniquespreadingcenter,Minqinagriculturaltechniquespreadingcenter,Jingtaiagriculturaltechniquespreadingcenter,Jiuquanagriculturalsciencesresearchinstitute,Tianshuiagriculturalsciencesresearchinstitute,andHuanxianseedcontrolstation.

简介：Highenergyprotonbeamhasthelongpenetrationlengthinsolidmatteranditcouldproducetheradiographsandindicatethetomographyandmaterialpropertiesinsideofthespecimen.Consideringtheexpensivecoststoconstructahighenergyprotonaccelerator,theothercandidateofhighenergyelectronbeambecomesmoreacceptable[1??3].Duetothehighspatialandtemperalresolutionofhighenergyelectronbeam.Itisapowertooltodiagnosetheinnerstructurechangeduringthehighenergydensitymatterproductionandtheinertialconfinementfusionprocess.Inordertostudythedensityresolutionofthehighenergyelectronbeamradiography,astep-targetwasdesignedandproduced.ThestructureandthetargetpicturesareshowninFig.1andtheSitargetswithdifferentslot-widthwereproducedbyusingthemicroetchtechnics.

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简介：TheimportanceoftheInternettomodernHighEnergyPhysicsCollaboratorsisclearlyimmense,andunderstandinghownewdevelopmentsinnetworktechnologyimpactnetworksiscriticaltothefuturedesignofexperiments.ThenextgenerationInternetProtocol(IPv6)isbeingdeployedontestbedsandproductionnetworksthroughouttheworld.Theprotocolhasbeendesignedtosolvetodaysinternetproblems,andmanyofthefeatureswillbecoreInternetservicesinthefuture.Inthistalkthefeaturesoftheprotocolwillbedescribed.DetailswillbegivenonthedeploymentatsitesimportanttoHighEnergyPhysicsResearchandthenetworkservicesoperatingatthesesites,InparticularIPv6deploymentontheU.S.EnergySciencesNetwork(ESnet)willbereviewed.TheconnectivityandperformancebetweenHighEnergyPhysicsLaboratories,UniversitiesandInstituteswillbediscussed.

简介：为了满足我国正在建设的白光中子源（whiteneutronsource,WNS）需求,设计了具有共性化架构的C6D6谱仪读出电子学系统。该系统基于波形数字化技术和PXIe平台,实现对γ能谱和中子飞行时间的测量。介绍了系统设计方案,详细阐述了信号调理模块、时间测量、PXIe平台及相关软件的设计与实现,并开展了系统性能测试和联调实验。测量结果表明：该系统能够正确获得测量数据,满足了白光中子源的首批实验需求。

简介：ThisworkismainlytostudytheeffectofheavyionirradiationonthedamageofsinglelayerMoS2.ThenumberoflayersofMoS2preparedbyCVD(chemicalvapordeposition)methodwasdeterminedbyopticalmicroscopyandRamanspectroscopy.ThemonolayerMoS2preparedbyCVDunderhighenergy209BiionirradiationwasanalyzedbyRamananalysisandAFMobservation.AndtheresultsarecomparedandanalyzedbeforeandafterthebeamirradiationofsinglelayerMoS2preparedbymechanicalstrippingmethod.

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简介：在未采取预电离措施的情况下，研究了纯sf6气体及sf6/h29sf6/c2h6两种混合气体激光介质脉冲放电特性。实验结果表明，无预电离时SF68其混合气体介质可以实现自引发体放电，气体介质体放电维持电压主要由SF,;含量决定，C2H6具有抑制电弧的作用，可以有效延长体放电维持时间。分析认为，sf66体高折合场强E/P导致的放电通道电流密度受限和高电负度■引起的放电通道中负离子分解产生二次电子，是介质实现自引发体放电的重要机理。

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简介：Theresearchacceleratorsaregrowinginenergyandpowerwhichinducesanincreaseoftheprojectcosts(Fig.1).TheRFcavitiesandpowersupplymainlycontributethecostofthesuperconductinglinac,whichisacompetitivetechnologyforhighpowermachine.AcodewithoptimizationalgorithmisdevelopedtooptimizethebetavalueofSCcavityfamilyandtransitionenergytoincreasetheTTFvalueofthewholelinac.

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