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ADAS Subroutine c7cxee

      SUBROUTINE C7CXEE( MXNENG , MXNSHL , NGRND  , NTOT   ,
     &                   NBOT   , NTOP   , IRZ0   , IRZ1   ,
     &                   RAMSNO , TEV    , TIEV   , DENS   ,
     &                   DENSZ  , ZEFF   , BMAG   , BMENG  ,
     &                   ITHEOR , IBSTAT , IEMMS  , NTU    ,
     &                   NTL    , NMINF  , NMAXF  , NENRGY ,
     &                   ENRGYA , ALPHAA , XSECNA , FRACLA ,
     &                   ERATE
     &                 )
C
C
C-----------------------------------------------------------------------
C
C  ****************** FORTRAN77 SUBROUTINE: C7CXEE *********************
C
C  PURPOSE:  CALCULATES THE J-RESOLVED EFFECTIVE EMISSIVITY RATE
C            COEFFICIENT FOR THE GIVEN TRANSITION.
C
C            IT IS APPLICABLE TO IMPURITIES IN PLASMA TRAVERSED BY
C            NEUTRAL BEAMS OF H OR HE. THE RECOMBINED TARGET ION MAY BE
C            H, LI OR NA-LIKE.
C
C            THE MODEL INCLUDES CAPTURE, N-N' LEVEL CASCADE, AND MIXING
C            AMONG L,J LEVELS OF SAME N BY COLLISIONS OR MAGNETIC
C            FIELDS.
C
C            ELECTRON IMPACT IONISATION IS INCLUDED TO GIVE COLLISION
C            LIMIT EFFECT.
C
C            AN INTERNAL EIKONAL APPROXIMATION IS USED FOR CAPTURE FROM
C            EXCITED H OR HE STATES, ALTHOUGH NORMALLY THE EXTERNAL DATA
C            SET SHOULD BE USED.
C
C  CALLING PROGRAM: ADAS307
C
C  INPUT : (I*4)  MXNENG    = MAXIMUM NO. OF ENERGIES IN DATA SET.
C  INPUT : (I*4)  MXNSHL    = MAXIMUM NUMBER OF N SHELLS.
C  INPUT : (I*4)  NGRND     = PRINCIPAL QUANTUM NUMBER OF GROUND STATE.
C  INPUT : (I*4)  NTOT      = PRINCIPAL QUANTUM NUMBER OF HIGHEST BOUND
C                             STATE.
C  INPUT : (I*4)  NBOT      = MINIMUM PRINCIPAL QUANTUM NUMBER FOR
C                             RATE TABLES.
C  INPUT : (I*4)  NTOP      = MAXIMUM PRINCIPAL QUANTUM NUMBER FOR
C                             RATE TABLES.
C  INPUT : (I*4)  IRZ0      = RECEIVER NUCLEAR CHARGE.
C  INPUT : (I*4)  IRZ1      = RECEIVER ION INITIAL CHARGE.
C  INPUT : (R*8)  RAMSNO    = RECEIVER ATOMIC MASS.
C  INPUT : (R*8)  TEV       = ELECTRON TEMPERATURE.
C                             UNITS: EV
C  INPUT : (R*8)  TIEV      = ION TEMPERATURE.
C                             UNITS: EV
C  INPUT : (R*8)  DENS      = ELECTRON DENSITY.
C                             UNITS: CM-3
C  INPUT : (R*8)  DENSZ     = PLASMA ION DENSITY.
C                             UNITS: CM-3
C  INPUT : (R*8)  ZEFF      = EFFECTIVE ION CHARGE.
C  INPUT : (R*8)  BMAG      = PLASMA MAGNETIC INDUCTION.
C                             UNITS: TESLA
C  INPUT : (R*8)  BMENG     = BEAM ENERGY.
C                             UNITS: EV/AMU
C  INPUT : (I*4)  ITHEOR    = CHARGE EXCHANGE MODEL OPTION.
C                             1 => USE INPUT DATA SET.
C                             2 => USE EIKONAL MODEL.
C  INPUT : (I*4)  IBSTAT    = DONOR STATE FOR EIKONAL MODEL.
C                             1 => H(1S)
C                             2 => H(2S)
C                             3 => H(2P)
C                             4 => HE(1S2)
C                             5 => HE(1S2S)
C  INPUT : (I*4)  IEMMS     = EMISSION MEASURE MODEL OPTION.
C                             1 => CHARGE EXCHANGE.
C                             2 => ELECTRON IMPACT EXCITATION.
C                             3 => RADIATIVE RECOMBINATION.
C  INPUT : (I*4)  NTL       = LOWER PRINCIPAL QUANTUM NUMBER OF
C                             TRANSITION.
C  INPUT : (I*4)  NTU       = UPPER PRINCIPAL QUANTUM NUMBER OF
C                             TRANSITION.
C  INPUT : (I*4)  NMINF     = LOWEST N-SHELL FOR WHICH DATA READ.
C  INPUT : (I*4)  NMAXF     = HIGHEST N-SHELL FOR WHICH DATA READ.
C  INPUT : (I*4)  NENRGY    = NUMBER OF ENERGIES READ FROM DATA SET.
C  INPUT : (R*8)  ENRGYA()  = COLLISION ENERGIES READ FROM INPUT DATA
C                             SET.
C                             UNITS: EV/AMU
C                             DIMENSION: ENERGY INDEX
C  INPUT : (R*8)  ALPHAA()  = EXTRAPOLATION PARAMETER ALPHA READ FROM
C                             INPUT DATA SET.
C                             DIMENSION: ENERGY INDEX
C  INPUT : (R*8)  XSECNA(,) = N-RESOLVED CHARGE EXCHANGE CROSS-SECTIONS
C                             READ FROM INPUT DATA SET.
C                             UNITS: CM2
C                             1ST DIMENSION: ENERGY INDEX
C                             2ND DIMENSION: N-SHELL
C  INPUT : (R*8)  FRACLA(,) = L-RESOLVED CHARGE EXCHANGE CROSS-SECTIONS.
C                             AFTER CXDATA: ABSOLUTE VALUES (CM2).
C                             AFTER CXFRAC: FRACTION OF N-RESOLVED
C                                            DATA.
C                             1ST DIMENSION: ENERGY INDEX
C                             2ND DIMENSION: INDEXED BY I4IDFL(N,L)
C
C  OUTPUT: (R*8)  ERATE     = EFFECTIVE EMISSIVITY RATE COEFFICIENT FOR
C                             REQUESTED TRANSITION
C                             SPECTRUM LINE.
C                             UNITS: CM3 SEC-1
C
C  PARAM : (I*4)  MXN       = MXNSHL.
C  PARAM : (I*4)  MXJSHL    = MAXIMUM NUMBER OF J SUB-SHELLS.
C  PARAM : (I*4)  MXBEAM    = MAXIMUM NUMBER OF BEAM COMPONENTS.
C  PARAM : (I*4)  MXOBSL    = MAXIMUM NUMBER OF OBSERVED SPECTRUM
C                             LINES.
C  PARAM : (I*4)  MXPRSL    = MAXIMUM NUMBER OF SPECTRUM LINES TO
C                             PREDICT.
C
C  PARAM : (R*8)  EMP       = REDUCED MASS FOR POSITIVE ION.
C                             UNITS: ELECTRON MASSES
C
C          (I*4)  NBEAM     = NUMBER OF BEAM ENERGIES.
C          (I*4)  NOLINE    = NUMBER OF OBSERVED SPECTRUM LINES.
C          (I*4)  NPLINE    = NUMBER OF SPECTRUM LINES TO PREDICT.
C          (I*4)  NUMIN     = MINIMUM UPPER PRINCIPAL QUANTUM NUMBER
C                             FOR OBSERVED SPECTRUM LINES.
C          (I*4)  NUMAX     = MAXIMUM UPPER PRINCIPAL QUANTUM NUMBER
C                             FOR OBSERVED SPECTRUM LINES.
C
C          (R*8)  EM        = EMMISSION MEASURE.
C                             UNITS: CM-5
C
C          (I*4)  NL()      = LIST OF LOWER PRINCIPAL QUANTUM NUMBERS
C                             OF OBSERVED SPECTRUM LINES.
C                             DIMENSION: SPECTRUM LINE INDEX.
C          (I*4)  NU()      = LIST OF UPPER PRINCIPAL QUANTUM NUMBERS
C                             OF OBSERVED SPECTRUM LINES.
C                             DIMENSION: SPECTRUM LINE INDEX.
C          (I*4)  NPL()     = LIST OF LOWER PRINCIPAL QUANTUM NUMBERS
C                             OF SPECTRUM LINES TO PREDICT.
C                             DIMENSION: SPECTRUM LINE INDEX.
C          (I*4)  NPU()     = LIST OF UPPER PRINCIPAL QUANTUM NUMBERS
C                             OF SPECTRUM LINES TO PREDICT.
C                             DIMENSION: SPECTRUM LINE INDEX.
C
C          (R*8)  BMFRA()   = BEAM COMPONENT FRACTIONS.
C                             DIMENSION: COMPONENT INDEX.
C          (R*8)  BMENA()   = BEAM ENERGY COMPONENTS.
C                             UNITS: EV/AMU
C          (R*8)  EMISA()   = LIST OF EMISSIVITIES OF OBSERVED SPECTRUM
C                             LINES.
C                             UNITS: PH CM-2 SEC-1
C                             DIMENSION: SPECTRUM LINE INDEX.
C          (R*8)  TBLF()    = TABLE OF RADIATIVE LIFETIMES.
C                             UNITS: SECS
C                             DIMENSION: REFERENCED BY I4IDFL(N,L).
C          (R*8)  QTHIN()   = IONISATION RATE COEFFICIENT.
C                             UNITS: CM3 SEC-1
C                             DIMENSION: N SHELL INDEX.
C          (R*8)  QTHEX()   = MEAN EXCITATION RATE COEFFICIENTS FOR
C                             N-LEVELS AVERAGED OVER BEAM FRACTIONS.
C                             UNITS: CM3 SEC-1
C                             DIMENSION: N SHELL INDEX.
C          (R*8)  QTHCH()   = MEAN CHARGE EXCHANGE COEFFICIENTS FOR
C                             N-LEVELS AVERAGED OVER BEAM FRACTIONS.
C                             UNITS: CM3 SEC-1
C                             DIMENSION: N SHELL INDEX.
C          (R*8)  QTHRC()   = MEAN RECOMBINATION RATE COEFFICIENTS FOR
C                             N-LEVELS AVERAGED OVER BEAM FRACTIONS.
C                             UNITS: CM3 SEC-1
C                             DIMENSION: N SHELL INDEX.
C          (R*8)  QEX()     =
C                             DIMENSION: N SHELL INDEX.
C          (R*8)  TOTPOP()  = TOTAL COLLISION POP. FOR PREDICTED
C                             SPECTRUM LINE.
C                             UNITS: CM-2
C                             DIMENSION: PREDICTED LINE INDEX.
C          (R*8)  TOTEMI()  = TOTAL COLLISION EMISSIVITIES FOR PREDICTED
C                             SPECTRUM LINE.
C                             UNITS: PH CM-2 SEC-1
C                             DIMENSION: PREDICTED LINE INDEX.
C          (R*8)  AVRGWL()  = AVERAGE AIR WAVELENGTH FOR PREDICTED
C                             SPECTRUM LINE.
C                             UNITS: A
C                             DIMENSION: PREDICTED LINE INDEX.
C          (R*8)  QEFF()    = EFF. RATE COEFFICIENT FOR PREDICTED
C                             SPECTRUM LINE.
C                             UNITS: CM3 SEC-1
C                             DIMENSION: PREDICTED LINE INDEX.
C
C          (R*8)  FTHEXJ(,) = FRACTION OF N-LEVEL MEAN EXCITATION RATE
C                             COEFFICIENTS IN NLJ-LEVEL.
C                             1ST DIMENSION: J SHELL INDEX WHERE:
C                                            1 GIVES J=L+0.5
C                                            2 GIVES J=L-0.5
C                             2ND DIMENSION: REFERENCED BY I4IDFL(N,L).
C          (R*8)  FTHCHJ(,) = FRACTION OF N-LEVEL MEAN CHARGE EXCHANGE
C                             COEFFICIENTS IN NLJ-LEVEL.
C                             1ST DIMENSION: J SHELL INDEX WHERE:
C                                            1 GIVES J=L+0.5
C                                            2 GIVES J=L-0.5
C                             2ND DIMENSION: REFERENCED BY I4IDFL(N,L).
C          (R*8)  FTHRCJ(,) = FRACTION OF N-LEVEL MEAN RECOMBINATION
C                             RATE COEFFICIENTS IN NLJ-LEVEL.
C                             1ST DIMENSION: J SHELL INDEX WHERE:
C                                            1 GIVES J=L+0.5
C                                            2 GIVES J=L-0.5
C                             2ND DIMENSION: REFERENCED BY I4IDFL(N,L).
C          (R*8)  TBQMEP(,) = ELECTRON COLLISIONAL RATE COEFFT. FOR
C                             NLJ->NL+1J'.
C                             1ST DIMENSION: J->J' TRANSITION INDEX.
C                             2ND DIMENSION: REFERENCED BY I4IDFL(N,L).
C          (R*8)  TBQMEM(,) = ELECTRON COLLISIONAL RATE COEFFT. FOR
C                             NLJ->NL-1J'.
C                             1ST DIMENSION: J->J' TRANSITION INDEX.
C                             2ND DIMENSION: REFERENCED BY I4IDFL(N,L).
C          (R*8)  TBQMIP(,) = POSITIVE ION COLLISIONAL RATE COEFFT. FOR
C                             NLJ->NL+1J'.
C                             1ST DIMENSION: J->J' TRANSITION INDEX.
C                             2ND DIMENSION: REFERENCED BY I4IDFL(N,L).
C          (R*8)  TBQMIM(,) = POSITIVE ION COLLISIONAL RATE COEFFT. FOR
C                             NLJ->NL-1J'.
C                             1ST DIMENSION: J->J' TRANSITION INDEX.
C                             2ND DIMENSION: REFERENCED BY I4IDFL(N,L).
C          (R*8)  TBFMP(,)  = B-FIELD DEPENDENT MIXING RATE COEFFT. FOR
C                             NLJ->NL+1J'.
C                             1ST DIMENSION: J->J' TRANSITION INDEX.
C                             2ND DIMENSION: REFERENCED BY I4IDFL(N,L).
C          (R*8)  TBFM(,)   = B-FIELD DEPENDENT MIXING RATE COEFFT. FOR
C                             NLJ->NLJ'.
C                             1ST DIMENSION: J->J' TRANSITION INDEX.
C                             2ND DIMENSION: REFERENCED BY I4IDFL(N,L).
C          (R*8)  TBFMM(,)  = B-FIELD DEPENDENT MIXING RATE COEFFT. FOR
C                             NLJ->NL-1J'.
C                             1ST DIMENSION: J->J' TRANSITION INDEX.
C                             2ND DIMENSION: REFERENCED BY I4IDFL(N,L).
C
C          (R*8)  TBLPOP(,,)= TABLE OF COLLISION POP. FOR PREDICTED
C                             SPECTRUM LINE.
C                             UNITS: CM-2
C                             1ST DIMENSION: J->J' TRANSITION INDEX.
C                             2ND DIMENSION: REFERENCED BY I4IDLI().
C                             3RD DIMENSION: PREDICTED LINE INDEX.
C          (R*8)  TBLEMI(,,)= TABLE OF COLLISION EMISSIVITIES FOR
C                             PREDICTED SPECTRUM LINE.
C                             UNITS: PH CM-2 SEC-1
C                             1ST DIMENSION: J->J' TRANSITION INDEX.
C                             2ND DIMENSION: REFERENCED BY I4IDLI().
C                             3RD DIMENSION: PREDICTED LINE INDEX.
C          (R*8)  TBLWLN(,,)= TABLE OF WAVELENGTHS FOR PREDICTED
C                             SPECTRUM LINE.
C                             UNITS: A
C                             1ST DIMENSION: J->J' TRANSITION INDEX.
C                             2ND DIMENSION: REFERENCED BY I4IDLI().
C                             3RD DIMENSION: PREDICTED LINE INDEX.
C
C ROUTINES:
C          ROUTINE    SOURCE    BRIEF DESCRIPTION
C          -------------------------------------------------------------
C          I4UNIT     ADAS      RETURNS UNIT NO. FOR OUTPUT OF MESSAGES.
C          CXTBLF     ADAS      FILLS L-RESOLVED RADIATIVE LIFETIME
C                               TABLE.
C          C6TBIN     ADAS      FILLS N-RESOLVED ELECTRON IMPACT
C                               IONISATION RATE TABLE.
C          C6TBEX     ADAS      FILLS N AND J-RESOLVED ELECTRON IMPACT
C                               EXCITATION RATE TABLES.
C          C6QEIK     ADAS      FILLS N AND J-RESOLVED CHARGE EXCHANGE
C                               RATE TABLES USING EIKONAL APPROXIMATION.
C          C6QXCH     ADAS      FILLS N AND J-RESOLVED CHARGE EXCHANGE
C                               RATE TABLES USING INPUT DATA SET.
C          C6TBRC     ADAS      FILLS N AND J-RESOLVED RADIATIVE
C                               RECOMBINATION RATE TABLES.
C          C6TBQM     ADAS      FILLS N AND J-RESOLVED COLLISIONAL RATE
C                               TABLES.
C          C6TBFM     ADAS      FILLS N AND J-RESOLVED B-FIELD
C                               DEPENDENT MIXING RATE TABLES.
C          C7EMIS     ADAS      PREDICTS THE J-RESOLVED EMISSIVITY FOR
C                               REQUESTED TRANSITIONS.
C
C NOTES:
C       1) THE J->J' TRANSITION INDEX IS AS FOLLOWS:
C              1 : J=L+0.5 -> J'=L'+0.5
C              2 : J=L+0.5 -> J'=L'-0.5
C              3 : J=L-0.5 -> J'=L'+0.5
C              4 : J=L-0.5 -> J'=L'-0.5
C
C AUTHOR:  JONATHAN NASH (TESSELLA SUPPORT SERVICES PLC)
C          K1/0/87
C          JET EXT. 5183
C
C DATE:    26/11/93
C
C UNIX-IDL PORT:
C
C AUTHOR:  WILLIAM OSBORN (TESSELLA SUPPORT SERVICES PLC)
C
C DATE:    24TH MAY 1996
C
C VERSION: 1.1                          DATE: 24-05-96
C MODIFIED: WILLIAM OSBORN
C               - FIRST VERSION
C
C-----------------------------------------------------------------------
C
C-----------------------------------------------------------------------
      INTEGER             IBSTAT,      IEMMS,       IRZ0,        IRZ1
      INTEGER             ITHEOR,      MXNENG,      MXNSHL,      NBOT
      INTEGER             NENRGY,      NGRND,       NMAXF,       NMINF
      INTEGER             NTL,         NTOP,        NTOT,        NTU
      REAL*8              ALPHAA(MXNENG),           BMAG,        BMENG
      REAL*8              DENS,        DENSZ,       ENRGYA(MXNENG)
      REAL*8              ERATE
      REAL*8              FRACLA(MXNENG,(MXNSHL*(MXNSHL+1))/2),  RAMSNO
      REAL*8              TEV,         TIEV
      REAL*8              XSECNA(MXNENG,MXNSHL),    ZEFF
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