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1、UsefulConstantsandConversionFactorsQuotedtoausefulnumberofsignificantfigures.Speedoflightinvacuumc=2.998x108m/secElectronchargemagnitudee=1.602x10=19coulPlanck'sconstanth=6.626x10-34joule-sech=h/27c=1.055x10-34joule-sec=0.6582x10-15eV-secBoltzmann'sconstantk=1.381x10-23joule/°K=8.617x10-5eV/°
2、KAvogadro'snumberNo=6.023x1023/moleCoulomb'slawconstant1/47rE0=8.988x109nt-m2/coul2Electronrestmassme=9.109x10-31kg=0.5110MeV/c2Protonrestmassp=1.672x10-27kg=938.3MeV/c2mNeutronrestmassm„=1.675x10-Z7kg=939.6MeV/c2Atomicmassunit(C12=12)-27kg=931.5MeV/c2u=1.661x10Bohrmagnetonub=eh/2me=9.27x10-2
3、4amp-m2(orjoule/tesla)Nuclearmagnetonµn=eh/2m,=5.05x10-27amp-m2(orjoule/tesla)Bohrradiusao=47c€0h2/mee2=5.29x10-11m=0.529ABohrenergyE1=—mee4/(4rcE0)22h2=—2.17x10-18joule=—13.6eVElectronComptonwavelengthAc=h/mec=2.43x10-12m=0.0243AFine-structureconstanta=e2/4nE0hc=7.30x10-31/137kTatroomtempera
4、turek300°K=0.0258eV^1/40eV1eV=1.602x10-19jouleijoule=6.242x1018eV1A=10-10m1F=10-15mlbarn(bn)=10-28m2QUANTUMPHYSICSAssistedbyyidOCaIgwealUniver^^#y^qf^#^rni^^^arbaraUnited'•°StalêsC^^t^^^,;^^OdemyThefigureonthecoverisfrori;èction„9-4,whereitisusedtoshowthetendencyfortwoidenticalspin1/2particle
5、s(suchaselectrons)toavoideachotheriftheirspinsareessentiallyparallel.Thistendency,oritsinversefortheantiparallelcase,isoneoftherecurringthemesinquantumphysicsexplanationsofthepropertiesofatoms,molecules,solids,nuclei,andparticles.QUANTUMPHYSICSofAtoms,Molecules,Solids,Nuclei,andParticlesSecon
6、dEditionROBERTEISBERGUniversityofCalifornia,SantaBarbaraJOHNWILEY&SONSNewYorkChichesterBrisbaneTorontoSingaporeCopyright©1974,1985,byJohnWiley&Sons,Inc.Allrightsreserved.PublishedsimultaneouslyinCanada.ReproductionortranslationofanypartofthisworkbeyondthatpermittedbySections107and108ofthe1976
7、UnitedStatesCopyrightActwithoutthepermissionofthecopyrightownerisunlawful.RequestsforpermissionorfurtherinformationshouldbeaddressedtothePermissionsDepartment,JohnWiley&Sons.LibraryofCongressCataloginginPublicationData:Eisberg,RobertMartin.Qu
