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He原子与O_2分子相互作用势及碰撞微分截面的研究.docx

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He原子与O_2分子相互作用势及碰撞微分截面的研究 Title:InteractionPotentialandCollisionCrossSectionsintheStudyofHeAtom-O2MoleculeInteractions Abstract: Intermolecularinteractionsbetweenatomsandmoleculesplayacrucialroleinvariousscientificfields,includingphysics,chemistry,andmaterialsscience.Understandingtheinteractionpotentialandcollisiondynamicsbetweenhelium(He)atomsandoxygen(O2)moleculesisessentialforcomprehendingmanyfundamentalprocessesinthesedisciplines.ThispaperaimstopresentacomprehensiveanalysisoftheinteractionpotentialandcollisioncrosssectionsinthestudyofHeatom-O2moleculeinteractions. 1.Introduction: TheHeatom-O2moleculesystemhasattractedsignificantattentionduetoitsrelevanceinvariouspracticalapplications.Thissectionprovidesanoverviewoftheimportanceofstudyingintermolecularinteractions,highlightingthespecificcaseofHe-O2interactions.Variousmethodsandtechniquesemployedinthisresearchareaarealsodiscussed. 2.InteractionPotential: TheinteractionpotentialbetweenHeatomsandO2moleculesdeterminesthenatureandstrengthoftheirintermolecularinteractions.SeveraltheoreticalmodelshavebeenproposedtodescribetheHe-O2potentialenergysurface.Thissectionprovidesadetailedanalysisofthesemodels,includingtheLennard-Jonespotential,Morsepotential,andabinitiocalculations.Furthermore,thepotentialenergysurfaceisexploredtoidentifytheminimaandtransitionstates,allowingforadeeperunderstandingofthevariousenergybarriersinvolvedintheHe-O2interaction. 3.CollisionDynamics: CollisioncrosssectionsprovidevaluableinsightsintothecollisiondynamicsbetweenHeatomsandO2molecules.Thissectionfocusesontheexperimentalandtheoreticaldeterminationofcollisioncrosssections.Experimentaltechniquessuchascrossedmolecular-beamscatteringandsupersonicmolecularbeamtechniquesarediscussed,alongwiththeinterpretationandanalysisofcollisiondata.Theoreticalapproaches,includingquantumscatteringcalculationsandmoleculardynamicssimulations,arealsoexaminedtocomplementtheexperimentalresults. 4.Applications: UnderstandingHe-O2interactionpotentialsandcollisiondynamicsh