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1、ChinesePhysicsC(HEP&NP)Vol.32,No.5,May,2008Correlationsand
uctuationsinhighenergyheavyioncollisionexperiments*1)2)3)ZHOUDai-Mei(±“r)WANGYa-Ping( æ²)WEILi-Hua(‰
2、u)CAIXu(éN)(InstituteofParticlePhysics,CentralChinaNormalUniversity,Wuhan430079,China)AbstractA
3、noverviewofresearchstatusofsoftphysicsinhighenergyheavy-ioncollisionexperimentsandrecentexperimentalresultsarepresented.Theexperimentalstatuson
uctuationsandcorrelationshasbeenreviewedandtheoutlookforresearchstatusofsoftphysicsinLHC/ALICEhasbeenintroduced
4、inthispaper.Keywordsquark-gluonplasma,softphysics,correlation,
uctuationPACS25.75.-q1Introductionsought.4)HanburyBrown-Twiss(HBT)correlations,whichcanbeusedtoexplorethespace-timeevolu-Thispaperpresentsanoverviewofsoftphysicstionandfreeze-outofthesystem.fr
5、omSPStoRHICanddiscusseswhatnewknowledge5)Forwardbackwardmultiplicitycorrelation.canbelearnedfromtheresultsonthebulkproper-Thestudyofcorrelationsamongparticlesproducedtiesofhighenergyheavyioncollisions.Thisoverviewindi erentrapidityregionsmayprovideunderst
6、and-focuseson
uctuationsandcorrelations.Sevenareasingofthemechanismofparticleproduction.willbediscussed:6)Fluctuationofelliptic
ow,whichisverysen-1)Fluctuationsofparticlemultiplicity.Theen-sitivetotheinitialeccentricity
uctuations.ergydependenceofmultipli
7、city
uctuationsinhigh7)Jet-mediuminteraction,whichprobestheenergyheavyioncollisionscanbeusedtolookforex-early-stageofthemedium.perimentalsignatureofincreased
uctuationsduetoTheoverviewofglobalpropertiesofsoftphysics,aphasetransitionorthecriticalpointandfo
8、rthepre-includingcollisiongeometry,particleproduction,dictedreductionof
uctuationsinrelativistichadronhadronizationand
owwillbepresentedbyWANGgasduetoconservationlow.[1,2]Ya-ping,etal..Wealsosuggestreadersrefertoan2)Fluctuationsofparticleratios,whichhaveb
9、eenoverviewthattitledExperimentalStatusofUltra-consideredasapossiblesignatureofquarkgluonhighEnergyInducedNuclearReactions"presentedplasmaformation.[3]byCAIXuandZHOUDai-mei.3)Transversemomentumpt
uctuationsandcor-r
