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ADAS Subroutine hydemi

      SUBROUTINE HYDEMI(lpass, iunt)

      IMPLICIT REAL*8 (A-H,O-Z)
C----------------------------------------------------------------------
C     PURPOSE: Calculates the collisional mixing of excited levels of
C              hydrogen atoms in the beam.
C
C     IMAX - number of Stark resolved states
C     IMAXB - total number of included states
C     NA(I)- an array with principle quantum numbers of the states
C     ESTK(I)- the energies of the states in rydbergs
C     A(I,J) -|<r ij>|**2  - dipol matrix elements in at.units
C     BK(I) - the results of calculations
C     EBEAM - the energy of the beam atoms (keV/nucleon)
C     T - electron temperature of plasma in eV
C     DENS - electron density ( cm -3 )
C     ZEFF - effective charge of the plasma
C     MU - reduced mass(in mass of electron)
C-----------------------------------------------------------------------
C
C ADAS305 version. Developed from JETSHP.STARK.FORT (H P Summers).
C
C VERSION  : 1.1
C DATE     : 24-02-2005
C MODIFIED : Martin O'Mullane
C             - First version.
C
C VERSION  : 1.2
C DATE     : 16-03-2005
C MODIFIED : Martin O'Mullane
C             - Declare lpass as logical.
C
C VERSION  : 1.3
C DATE     : 16-05-2007
C MODIFIED : Allan Whiteford
C             - Updated comments as part of subroutine documentation
C               procedure.
C
C----------------------------------------------------------------------
C----- alterations to dimensions and common to allow bundle-n extension
C----- hps 6 dec 1988
C----------------------------------------------------------------------
       logical   lpass
C----------------------------------------------------------------------
      INTEGER             IUNT
      LOGICAL             LPASS
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