10.07.2015 Views

THE EGS5 CODE SYSTEM

THE EGS5 CODE SYSTEM

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NameAFFACTAINTPALKEALKEIALINALINIADFMOLADIMOLADDMOLAMOLDMAMOLFMAMOLRMAMOLTMANIHDMANIHFMANIHRMANIHTMAPRIMARECBHABDMBHABFMBHABRMBHABTMTable C.3: Functions in PEGS, part 1.DescriptionAtomic form factor (squared) for an element or mixture of elements.Linear or log interpolation function.Log of kinetic energy (LOG(E-RM)), used as a cumulative distribution functionfor fits and plots.Inverse of ALKE (=EXP(X)+RM).Linear cumulative distribution function for plots (ALIN(X)=X).Inverse of ALIN (=same as ALIN). Used as inverse cumulative distributionfunction in plots.Approximate cumulative distribution function for Møller and Bhabha crosssections (ADFMOL(E)=-1/(E-RM)).Inverse of ADFMOL.Derivative of ADFMOL.Møller differential cross section for a mixture of elements.One argument form of AMOLDM.Møller cross section, integrated over some energy range, for a mixture ofelements.Møller total cross section for a mixture of elements.Annihilation differential cross section for a mixture of elements.One argument form of ANIHDM.Annihilation cross section, integrated over some energy range, for a mixtureof elements.Annihilation total cross section for a mixture of elements.Empirical correction factor in bremsstrahlung cross section.Reciprocal function (=derivative of ALOG(X)). Used as probability densityfunction in log plots (AREC(X)=1/X).Bhabha differential cross section for a mixture of elements.One argument form of BHABDM.Bhabha cross section, integrated over some energy range, for a mixture ofelements.Bhabha total cross section for a mixture of elements.367

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