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| 1 | |
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| 2 | SUBROUTINE GUKINE |
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| 3 | * |
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| 4 | * Generates Kinematics for primary track |
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| 5 | * |
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| 6 | * Data card Kine : Itype Ekine |
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| 7 | * |
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| 8 | #include "geant321/gconst.inc" |
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| 9 | #include "geant321/gcflag.inc" |
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| 10 | #include "geant321/gckine.inc" |
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| 11 | * |
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| 12 | DIMENSION VERTEX(3),PLAB(3) |
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| 13 | DIMENSION RNDM(2) |
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| 14 | * |
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| 15 | DATA VERTEX/3*0./ |
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| 16 | * |
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| 17 | * |
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| 18 | CALL GSVERT(VERTEX,0,0,0,0,NVERT) |
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| 19 | * |
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| 20 | CALL GRNDM(RNDM,2) |
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| 21 | cosTheta = 2*RNDM(1) - 1. |
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| 22 | sinTheta = sqrt(1. - cosTheta**2) |
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| 23 | Phi = TWOPI*RNDM(2) |
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| 24 | * |
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| 25 | PLAB(1) = PKINE(1)*sinTheta*COS(Phi) |
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| 26 | PLAB(2) = PKINE(1)*sinTheta*SIN(Phi) |
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| 27 | PLAB(3) = PKINE(1)*cosTheta |
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| 28 | * |
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| 29 | CALL GSKINE(PLAB,IKINE,NVERT,0,0,NT) |
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| 30 | * |
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| 31 | * *** Kinematics debug |
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| 32 | IF (IEVENT.EQ.1.OR.IDEBUG.NE.0) CALL GPRINT('KINE',0) |
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| 33 | * |
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| 34 | END |
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