helike_cs.h

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/* This file is part of Cloudy and is copyright (C)1978-2023 by Gary J. Ferland and
 * others.  For conditions of distribution and use see copyright notice in license.txt */

#ifndef HELIKE_CS_H_
#define HELIKE_CS_H_

#include "iso.h"


double reduced_amu( long nelem, long Collider );

void HeCollid( long int nelem);

realnum HeCSInterp( long int nelem,
                                 long int ipHi,
                                 long int ipLo,
                                 long int Collider );

realnum GetHelikeCollisionStrength( long nelem, long Collider,
                                        long nHi, long lHi, long sHi, long jHi, long gHi, double IP_Ryd_Hi,
                                        long nLo, long lLo, long sLo, long jLo, long gLo, double IP_Ryd_Lo,
                                        double Aul, double tauLo, double EnerWN, double EnerErg, const char **where );

/* Three different collision treatments, based on
 * Seaton 1962;
 * Pengelly and Seaton 1964; and
 * Vrinceanu and Flannery 2001.
 */

double CS_l_mixing_PS64(
        long nelem,
        long ipISO,
        double tau,
        double target_charge,
        long int n,
        long int l,
        double gLo,
        long int lp,
        double deltaE_eV,
        long int Collider);

double CS_l_mixing_PS64_expI(
        long nelem,
        long ipISO,
        double tau,
        double target_charge,
        long int n,
        long int l,
        double gLo,
        long int lp,
        //double s,
        double deltaE_eV,
        long int Collider,
        bool lgPSM20);

double CS_l_mixing_VF01(
        long ipISO,
        long nelem,
        long n,
        long l,
        long lp,
        long s,
        long gLo,
        double tauLo,
        double IP_Ryd_Hi,
        double IP_Ryd_Lo,
        double temp,
        long Collider );

double CS_l_mixing_VOS12(long n, long l, long lp,
                long nelem, double gLo, long Ztarget, long Collider, double sqrte);

double CS_l_mixing_VOS12QM(
        long ipISO,
        long nelem,
        long n,
        long l,
        long lp,
        long s,
        long gLo,
        double tauLo,
        double IP_Ryd_Hi,
        double IP_Ryd_Lo,
        double temp,
        long Collider );

double CSresolver(long ipISO, long nHi,long lHi,long sHi,long nLo,
                long lLo, long sLo, long nHighestResolved);


#endif /* HELIKE_CS_H_ */