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1、Multi-hadronFinalStates∗LeifLonnblad¨Dept.ofTheoreticalPhysics,LundUniversity,Lund,SwedenJos´eRepondArgonneNationalLaboratory,Argonne,IL60439andMarekZielinski´Dept.ofPhysicsandAstronomy,UniversityofRochester,Rochester,NY14627Thissummaryaimstohighlightmajor
2、resultsandinsightsgainedfromrecentstudiesofhadronicfinalstatesinep,pp,e+e−,aswellasrelevanttheoreticaldevelopments,presentedintheMulti-hadronfinalstatesparallelsessionsoftheDIS2002workshopheldinKrak´ow,PolandinMay2002.arXiv:hep-ph/0208154v230Aug20021.Introdu
3、ctionPresentationsattheMulti-hadronfinalstatessessionscoveredawealthofrecentresultsonjetproductioncharacteristicsandjetproperties,heavyflavorproductionanddecays,dimuonphotoproduction,instantonsearches,small-xfinalstates,studiesofhadronization,andtheoreticalpr
4、ogressinresummationandpartonshowerformalisms,providingnewinsightsintoandsensitivitytoabroadrangeofphysicsaspects.Duetospacelimitation,werefertheinterestedreadertoindividualpapersintheseproceedingsforexactdefinitionsofvariables,experimentalselections,plots,a
5、ndfurtherreferences.∗PresentedatXInternationalWorkshoponDeepInelasticScattering(DIS2002),Krak´ow,Poland,30April-4May,2002(1)22.PhysicsofJetsJetproductionprocessesinep,e+e−andhadronicinteractionscontinuetobeprimarytoolsforstudiesofpartondynamicsandfortestin
6、gspecifictheoreticaldescriptionsandMonteCarlomodels(MC)basedonQCD.WhileresultsfromHERAoninclusive,dijet,andmulti-jetreactions,inducedbyrealandvirtualphotons,dominatedthediscussion,theywerecomplementedbyrecentmulti-jetmeasurementsatLEPthatdirectlyprobethecol
7、orstructureandthecouplingconstantofstronginteractions,andbyavarietyofjetstudiesattheTevatron,coveringalargerangeofjetETandprobingQCDaspectsfromthehardestpartonicscattertothepropertiesofthesoftunderlyingandminimumbiasevents.2.1.InclusiveanddijetresultsfromH
8、ERA,plussomephotonsTheresultspresentedinthesessionsweregenerallyinanimpressiveagreementwiththeoreticalpredictions,formanykinematicvariables,andforseveralordersofmagnitudeofcrosssections.Here,wewillattempttohi
