简介：TheCMSOOreconstructionprogram-ORCA-hasbeenusedsince1999toproducelargesamplesofreconstructedMonte-Carloeventsfordetectoroptimization,triggerandphysicsstudies,TheeventsarestoredinseveralObjectivityfederationsatCERN,intheUS,Italyandothercountries.ToperformtheirstudiesphysicistsusedifferenteventsamplesrangingfromcompletedatasetsofTBytesizetoonlyafeweventsoutofthesedatasets.WedescribetheimplementationoftheserequirementsintheORCAsoftwareandthewaycollctionsofeventsareaccessedforreading,writingorcopying.

简介：TheBaBerexperimentstoresitsdatainanObjectorientedfederateddatabasesuppliedbyObjectivity/DB(tm),thisdatabaseissurrently350TBinsizeandisexpectedtoincreaseconsiderablyastheexperimentmatures.Managementofthisdatabaserequirescarefulplanningandspecializedtoolsinordertomakethedataavailabletophysicistsinanefficientandtimelymanner,WediscusstheoperationalissuesandmanagementtoolsthatweredevelopedduringthepreviousruntodealwiththisvastquantityofdataatSLAC.

简介：ThereconstructionandsubsequentparticleidentificationisachallengeinacomplexandahighluminosityenvironmentsuchasthoseexpectedintheATLASdetectorattheLHC.TheATLASsoftwarehaschosentheobjectorientedparadigmandhasrecentlymigratedmuchofitssoftwarecomponentsdevelopedearlierusingproceduralprogramminglanguages.Thenewsoftware,whichemphasizesontheseparationbetweenalgorthmsanddataobjects,hasbeensuccessfullyintegratedinthebroaderATLASframework.Wewillpresentastatusreportofthereconstructionsoftwaresummarizingtheexperiencesgainedinthemigrationofseveralsoftwarecomponents.Wewillexaminesomeofthecomponentsofthecalorimetersoftwaredesign,whichincludesimulationofreal-timedetectoreffectsandonlineenvironment,andstrategiesdeployedforidentificationofparticles.

简介：Aseriesofsoftwarehasbeendevelopedforsmall-scaledataacquisitionandanalysissystems.VariousclasseswerewrittenunC++andpartlyinJava,andaPrivateprotocolwasintroducedforobjectpersistency.AdemonstrationnsystemwasbuiltandtheperformancewastestedinabeamtestatKEK-PS.

简介：InthisupdatereportaboutanObjectOriented(OO)trackreconstructionmodel,whichwaspresentedatCHEP'97,CHEP'98,andCHEP'2000,weshalldescribesubsequentnewdevelopmentssincethebeginningofyear2000.TheOOmodelfortheKalmanfilteringmethodhasbeendesignedforhighenergyphysicsexperimentsathighluminosityhadroncolliders.IthasbeencodedintheC++programminglanguageoriginallyfortheCMSexperimentatthefutureLargeHadronCollider(LHC)atCERN,andlaterhasbeensuccessfullyimplementedintothreedifferentOOcomputingenvironments(includingthelevel-2triggerandofflinesoftwaresystems)oftheATLAS(anothermajorexperimentatLHC).Forthelevel-2triggersoftwareenvironment.weshallselectivelypresentsomelatestperformanceresults(e.g.theB-physicseventselectionforATLASlevel-2trigger,therobustnessstudyresult,ets.).Fortheofflineenvironment,weshallpresentanew3-Dspacepointpackagewhichprovidestheessentialofflineinput.AmajordevelopmentafterCHEP'2000istheimplementationoftheOOmodelintothenewOOsoftwareframeworkAthena"ofATLASexperiment.ThenewmodularizationofthisOOpackageenablesthemodeltobemoreflexibleandtobemoreeasilyimplementedintodifferentsoftwareenvironments.Alsoitprovidesthepotentialtohandlethemorecomlpicatedrealisticsituation(e.g.toincludethecalibrationcorrectionandthealignmentcorrection,etc.)Somegeneralinterfaceissues(e.g.designofthecommontrackclass)ofthealgorithmstodifferentframeworkenvironmentshavebeeninvestigatedbyusingthisOOpackage.

简介：Fromthecomparisonofcorrelationtensorinthetheoryofquantumnetwork,theAlexanderrelationmatrixinthetheoryofknotcrystalsandtheidenticalinversionrelationsundertheactionofPaulimatrices,weshowthatthereisaonetoonecorrespondencebetweenfourBellbasesandfourorientedlinksofthelinkage41inknottheory.

简介：Bariumferrite（BaM）thinfilmsaredepositedonplatinumcoatedsiliconwafersbypulsedlaserdeposition（PLD）.Theeffectsofdepositionsubstratetemperatureonthemicrostructure,magneticandmicrowavepropertiesofBaMthinfilmsareinvestigatedindetail.Itisfoundthatmicrostructure,magneticandmicrowavepropertiesofBaMthinfilmareverysensitivetodepositionsubstratetemperature,andexcellentBaMthinfilmisobtainedwhendepositiontemperatureis910℃andoxygenpressureis300mTorr（1Torr=1.3332×102Pa）.X-raydiffractionpatternsandatomicforcemicroscopyimagesshowthatthebestthinfilmhasperpendicularorientationandhexagonalmorphology,andthecrystallographicalignmentdegreecanbecalculatedtobe0.94.Hysteresisloopsrevealthatthesquarenessratio（Mr/Ms）isashighas0.93,thesaturatedmagnetizationis4004Gs（1Gs=104T）,andtheanisotropyfieldis16.5kOe(1Oe=79.5775A·m-1).Ferromagneticresonancemeasurementsrevealthatthegyromagneticratiois2.8GHz/kOe,andtheferromagneticresonancelinewithis108Oeat50GHz,whichmeansthatthisthinfilmhaslowmicrowaveloss.ThesepropertiesmaketheBaMthinfilmshavepotentialapplicationsinmicrowavedevices.

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