1 | SUBROUTINE BOX70
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2 |
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3 | C-----------------------------------------------------------------------
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4 | C
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5 | C KAON INTERACTIONS
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6 | C ELASTIC SCATTERING, NO ENERGY LOSS
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7 | C THIS SUBROUTINE IS CALLED FROM NUCINT
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8 | C-----------------------------------------------------------------------
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9 |
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10 | IMPLICIT DOUBLE PRECISION (A-H,O-Z)
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11 | *KEEP,CONST.
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12 | COMMON /CONST/ PI,PI2,OB3,TB3,ENEPER
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13 | DOUBLE PRECISION PI,PI2,OB3,TB3,ENEPER
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14 | *KEEP,PAM.
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15 | COMMON /PAM/ PAMA,SIGNUM
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16 | DOUBLE PRECISION PAMA(6000),SIGNUM(6000)
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17 | *KEEP,PARPAR.
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18 | COMMON /PARPAR/ CURPAR,SECPAR,PRMPAR,OUTPAR,C,
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19 | * E00,E00PN,PTOT0,PTOT0N,THICKH,ITYPE,LEVL
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20 | DOUBLE PRECISION CURPAR(14),SECPAR(14),PRMPAR(14),OUTPAR(14),
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21 | * C(50),E00,E00PN,PTOT0,PTOT0N,THICKH
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22 | INTEGER ITYPE,LEVL
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23 | *KEEP,PARPAE.
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24 | DOUBLE PRECISION GAMMA,COSTHE,PHI,H,T,X,Y,CHI,BETA,GCM,ECM
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25 | EQUIVALENCE (CURPAR(2),GAMMA), (CURPAR(3),COSTHE),
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26 | * (CURPAR(4), PHI ), (CURPAR(5), H ),
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27 | * (CURPAR(6), T ), (CURPAR(7), X ),
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28 | * (CURPAR(8), Y ), (CURPAR(9), CHI ),
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29 | * (CURPAR(10),BETA), (CURPAR(11),GCM ),
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30 | * (CURPAR(12),ECM )
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31 | *KEEP,RANDPA.
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32 | COMMON /RANDPA/ FAC,U1,U2,RD,NSEQ,ISEED,KNOR
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33 | DOUBLE PRECISION FAC,U1,U2
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34 | REAL RD(3000)
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35 | INTEGER ISEED(103,10),NSEQ
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36 | LOGICAL KNOR
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37 | *KEEP,RUNPAR.
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38 | COMMON /RUNPAR/ FIXHEI,THICK0,HILOECM,HILOELB,
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39 | * STEPFC,NRRUN,NSHOW,PATAPE,MONIIN,
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40 | * MONIOU,MDEBUG,NUCNUC,
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41 | * CETAPE,
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42 | * SHOWNO,ISHW,NOPART,NRECS,NBLKS,MAXPRT,NDEBDL,
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43 | * N1STTR,MDBASE,
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44 | * DEBDEL,DEBUG,FDECAY,FEGS,FIRSTI,FIXINC,FIXTAR,
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45 | * FIX1I,FMUADD,FNKG,FPRINT,FDBASE
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46 | * ,GHEISH,GHESIG
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47 | COMMON /RUNPAC/ DSN,HOST,USER
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48 | DOUBLE PRECISION FIXHEI,THICK0,HILOECM,HILOELB
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49 | REAL STEPFC
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50 | INTEGER NRRUN,NSHOW,PATAPE,MONIIN,MONIOU,MDEBUG,NUCNUC,
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51 | * SHOWNO,ISHW,NOPART,NRECS,NBLKS,MAXPRT,NDEBDL,
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52 | * N1STTR,MDBASE
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53 | INTEGER CETAPE
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54 | CHARACTER*79 DSN
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55 | CHARACTER*20 HOST,USER
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56 |
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57 | LOGICAL DEBDEL,DEBUG,FDECAY,FEGS,FIRSTI,FIXINC,FIXTAR,
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58 | * FIX1I,FMUADD,FNKG,FPRINT,FDBASE
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59 | * ,GHEISH,GHESIG
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60 | *KEND.
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61 |
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62 | C-----------------------------------------------------------------------
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63 |
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64 | IF ( DEBUG ) WRITE(MDEBUG,444) (CURPAR(I),I=1,9)
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65 | 444 FORMAT(' BOX70 : CURPAR=',1P,9E10.3)
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66 |
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67 | C ELASTIC SCATTERING
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68 | DO 1 I = 1,8
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69 | SECPAR(I) = CURPAR(I)
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70 | 1 CONTINUE
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71 | PT = PTRANS(DUMMY)
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72 | PLLAB2 = PAMA(ITYPE)**2 *(GAMMA**2 - 1.D0)
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73 | CTHETA = SQRT( PLLAB2 / (PT**2+PLLAB2) )
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74 | IF ( CTHETA .LT. C(27) ) RETURN
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75 | CALL RMMAR( RD,1,1 )
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76 | CALL ADDANG( COSTHE,PHI, CTHETA,RD(1)*PI2,SECPAR(3),SECPAR(4) )
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77 | IF ( SECPAR(3) .LT. C(29) ) RETURN
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78 |
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79 | CALL TSTACK
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80 |
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81 | RETURN
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82 | END
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