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| 2 | SUBROUTINE GUSTEP
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| 3 | *
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| 4 | #include "geant321/gcflag.inc"
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| 5 | #include "geant321/gckine.inc"
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| 6 | #include "geant321/gcking.inc"
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| 7 | #include "geant321/gconst.inc"
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| 8 | #include "geant321/gctmed.inc"
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| 9 | #include "geant321/gctrak.inc"
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| 10 | *
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| 11 | #include "runinfo.inc"
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| 12 | #include "histo.inc"
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| 13 | *
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| 14 | *
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| 15 | * *** Debug event and store tracks for drawing
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| 16 | IF (IDEBUG.NE.0) CALL GPCXYZ
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| 17 | IF ((ISWIT(1).EQ.1).AND.(CHARGE.NE.0.)) CALL GSXYZ
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| 18 | IF (ISWIT(1).EQ.2) CALL GSXYZ
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| 19 | *
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| 20 | * *** collect informations in the absorber only
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| 21 | *
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| 22 | if (numed.ne.1) return
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| 23 | *
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| 24 | * energy deposit
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| 25 | edep = edep + destep
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| 26 | *
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| 27 | * number of steps and total track length
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| 28 | if (charge.ne.0.) then
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| 29 | stpch = stpch + 1.
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| 30 | trkch = trkch + step
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| 31 | else
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| 32 | stpne = stpne + 1.
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| 33 | trkne = trkne + step
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| 34 | endif
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| 35 | *
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| 36 | * manage secondaries
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| 37 | if (ngkine.gt.0) then
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| 38 | do k = 1,ngkine
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| 39 | energy = gkin(4,k)
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| 40 | id = gkin(5,k)
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| 41 | if (id.eq.1) then
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| 42 | ngamma = ngamma + 1
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| 43 | if (histo(3)) call hfill(3,log10(1000*energy),0.,1.)
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| 44 | else if (id.eq.2) then
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| 45 | nposit = nposit + 1
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| 46 | energy = energy - emass
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| 47 | if (histo(2)) call hfill(2,energy/histUnit(2),0.,1.)
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| 48 | else if (id.eq.3) then
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| 49 | nelect = nelect + 1
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| 50 | energy = energy - emass
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| 51 | if (histo(2)) call hfill(2,energy/histUnit(2),0.,1.)
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| 52 | endif
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| 53 | enddo
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| 54 | * keep or kill all secondaries
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| 55 | if (.not.kill) call gsking(0)
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| 56 | endif
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| 57 | *
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| 58 | END
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