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subroutine electra(ro,t,ye,ee,pe,se
a ,eer,eet,per,pet,ser,set,keyps)
implicit real*8 (a-h,o-z)
common /nunu/ nu,dnudr,dnudb,eta,detadnu,nup
data facen,facpr,facs,rg /2.037300d+24,1.358200d+24,1.686304d-10
1,8.314339d+07/
data a1,a2,a3,a4 /2.059815d-03,-7.027778d-03
1,4.219747d-02,-1.132427d+00/
beta=facs*t
b32=b12*beta
u=(f62/f52)**2
dudnu=2.0d0*u*(df62/f62-df52/f52)
x=beta*u
f=1.0d0+x*(2.5d0+x*(2.0d0+0.5d0*x))
df=2.5d0+x*(4.0d0+1.5d0*x)
dfdb=u*df
fi32=f32+(f-1.0d0)*f52/u
dfidnu=dfidu*dudnu+df32+(f-1.0d0)*df52/u
dfidb=dfdb*f52/u
dfidbet=dfidb+dfidnu*dnudb
gs=sqrt(g)
dg=0.75d0*gs
dgdb=u*dg
dgdu=beta*dg
gi32=f32+(g-1.0d0)*f52/u
dgidu=(u*dgdu-g+1.0d0)*f52/us
dgidnu=dgidu*dudnu+df32+(g-1.0d0)*df52/u
dgidb=dgdb*f52/u
dgidbet=dgidb+dgidnu*dnudb
dgidroe=dgidnu*dnudr
em=facen*b52*fi32
demdbet=facen*b32*(2.5d0*fi32+beta*dfidbet)
dpmdbet=facpr*b32*(2.5d0*gi32+beta*dgidbet)
demdroe=facen*b52*dfidroe
dpmdroe=facpr*b52*dgidroe
call divine(nup,fp12,dfp12,s12)
s42=2.0d0
call divine(nup,fp42,dfp42,s42)
eer=(ye*(demdroe+depdroe)-(em+ep)/ro)/ro
eet=facs*(demdbet+depdbet)/ro
per=ye*(dpmdroe+dppdroe)
pet=facs*(dpmdbet+dppdbet)
end
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