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1、AdvancedAnalysisMethodsinHighEnergyPhysics*PushpalathaC.BhatFermiNationalAcceleratorLaboratory,P.O.Box500,Batavia,IL60510Abstract.Duringthecomingdecade,highenergyphysicsexperimentsattheFermilabTevatronandaroundtheglobewilluseverysophisticatedequipmenttoreco
2、rdunprecedentedamountsofdatainthehopeofmakingmajordiscoveriesthatmayunravelsomeofNature’sdeepestmysteries.ThediscoveryoftheHiggsbosonandsignalsofnewphysicsmaybearoundthecorner.Theuseofadvancedanalysistechniqueswillbecrucialinachievingthesegoals.Iwilldiscuss
3、someofthenovelmethodsofanalysisthatcouldprovetobeparticularlyvaluableforfindingevidenceofanynewphysics,forimprovingprecisionmeasurementsandforexploringparameterspacesoftheoreticalmodels.“Areasonablemanadaptshimselftotheworld.Anunreasonablemanpersiststoadapt
4、theworldtohimself.So,allprogressdependsontheunreasonableone.”-BernardShaw.INTRODUCTIONdatawerewrittenout.EachnewgenerationofexperimentsismoredemandingthanthepreviousinTheCDFandD?experimentsarepreparingforatermsofdatahandling;theratesofinteractionsandthenewa
5、ndpossiblyadecade-longrunattheupgradednumberofdetectorchannelstoberead-outoftengrowFermilabTevatron.Anewgenerationofacceleratorsbyordersofmagnitude.Findingthesignalsofnewanddetectorsareonthehorizon.Inthecomingphysicsbecomeaveritablecaseof“findingneedlesinde
6、cade,wehopetodiscovertheHiggsbosonandfindahay-stack”.SonewparadigmsandnewtechnologiesevidenceofphysicsbeyondtheStandardModel(SM)needtobeidentified,developedandadopted.suchasSupersymmetryorTechnicolor,orsomethingcompletelyunexpected.Inordertoachievethegoalso
7、fthehighenergyphysics(HEP)community,IbelieveitiscrucialthatadvancedandoptimaldataINTELLIGENTDETECTORSanalysismethodsbeusedbothon-lineandoff-line[1,2].Today,dataanalysisinHEPexperimentsstartswhenahighenergyeventoccurs.TheelectronicdatafromInourquesttounderst
8、andtheuniverse,wethedetectorsneedtobetransformedintousefulcontinuallyexperiment,analyzeobservations,interpret“physics”informationinreal-time.Onecanenvisionresultsandupdateourknowledge.Inhighenergythatt