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a hydrogen plasma consisting of the five hydrogen species H2, H, H+, H , H plus electrons is:


        N H N   U uH =2m2k 3/k T /2 e-E 2/kT
        NH2     U             T3/2H h 2
                  .2 H2
                                        (5.1)


NH+ N    uH+ 27m k 3/2
  NH     uH  h2



Nu          2m k 3/2
NHe - 2 ue H       T
NH      uH-h


N H+ Ne
  -2


U H 2+ k 3/2

uH 2 h2
  2


- EH/kT


T3/2 e


3/2 e-EH-/kT


T3/2 e


-EH /kT
* 2


Ne + N H. = NH+ + NH+ (electrical neutrality)
               2
                                (5.33)


T       = NH + NH + N i + NH +N + N
  -=NTOT  11NH1~       11,. 12   e


(equation of state)


(5.34)


To simplify the notation, the following definitions are introduced:


N, = NH , N2 = NH, N3 = NH+, N   H4 = NH, N5 = NH+
      2                             2


(5.35)


(5.27) (5.29)


(5.31)