| 0795afa3 |
1 | #include "isajet/pilot.h" |
| 2 | FUNCTION WWSS(T,U,T1,U1,T3,U3) |
| 3 | C DECAY DISTRIBUTION FOR W+ W- PAIRS FROM SCHOONSCHIP(1980). |
| 4 | C SQUARE OF S GRAPH. |
| 5 | #include "isajet/itapes.inc" |
| 6 | #include "isajet/wwpar.inc" |
| 7 | #if defined(CERNLIB_DOUBLE) |
| 8 | DOUBLE PRECISION WWSS |
| 9 | DOUBLE PRECISION T,U,T1,U1,T3,U3 |
| 10 | DOUBLE PRECISION CV2A2 |
| 11 | #endif |
| 12 | CV2A2=CV**2+CA**2 |
| 13 | WWSS= |
| 14 | 1 +CV*CA*T*(-64.*T1*U1*T3+64.*T1*U1*U3+64.*T1*T3*U3+64.*T1*T3**2-6 |
| 15 | 1 4.*T1**2*T3-64.*U1*T3*U3-64.*U1*U3**2+64.*U1**2*U3) |
| 16 | 1 +CV*CA*T*U*(-128.*T1*U3-64.*T1*S13+128.*U1*T3+64.*U1*S13+64.*T3* |
| 17 | 1 S13-64.*U3*S13) |
| 18 | 1 +CV*CA*T*WM2*(128.*T1*U3+64.*T1*S13-64.*T1**2-128.*U1*T3+64.*U1* |
| 19 | 1 S13+64.*U1**2-64.*T3*S13+64.*T3**2-64.*U3*S13-64.*U3**2) |
| 20 | 1 +CV*CA*T**2*(-64.*T1*U3-64.*T1*S13+64.*U1*T3+64.*T3*S13) |
| 21 | 1 +CV*CA*U*(-64.*T1*U1*T3+64.*T1*U1*U3+64.*T1*T3*U3+64.*T1*T3**2-6 |
| 22 | 1 4.*T1**2*T3-64.*U1*T3*U3-64.*U1*U3**2+64.*U1**2*U3) |
| 23 | WWSS=WWSS |
| 24 | 1 +CV*CA*U*WM2*(128.*T1*U3-64.*T1*S13-64.*T1**2-128.*U1*T3-64.*U1* |
| 25 | 1 S13+64.*U1**2+64.*T3*S13+64.*T3**2+64.*U3*S13-64.*U3**2) |
| 26 | 1 +CV*CA*U**2*(-64.*T1*U3+64.*U1*T3+64.*U1*S13-64.*U3*S13) |
| 27 | 1 +CV*CA*WM2*(128.*T1*U1*T3-128.*T1*U1*U3-128.*T1*T3*U3-128.*T1*T3 |
| 28 | 1 **2+128.*T1**2*T3+128.*U1*T3*U3+128.*U1*U3**2-128.*U1**2*U3) |
| 29 | 1 +CV*CA*WM2**2*(128.*T1*S13+128.*T1**2-128.*U1*S13-128.*U1**2-128 |
| 30 | 1 .*T3*S13-128.*T3**2+128.*U3*S13+128.*U3**2) |
| 31 | 1 +CV2A2*(128.*T1*U1*T3*U3-64.*T1**2*T3**2-64.*U1**2*U3**2) |
| 32 | WWSS=WWSS |
| 33 | 1 +CV2A2*T*(-32.*T1*U1*T3-32.*T1*U1*U3-32.*T1*T3*U3-64.*T1*T3*S13+ |
| 34 | 1 32.*T1*T3**2+32.*T1**2*T3-32.*U1*T3*U3+64.*U1*U3*S13+32.*U1*U3** |
| 35 | 1 2+32.*U1**2*U3) |
| 36 | 1 +CV2A2*T*U*(64.*T1*U3+32.*T1*S13+64.*U1*T3+32.*U1*S13+32.*T3*S13 |
| 37 | 1 +32.*U3*S13+64.*S13**2) |
| 38 | 1 +CV2A2*T*WM2*(-64.*T1*U3-32.*T1*S13+32.*T1**2-64.*U1*T3+32.*U1*S |
| 39 | 1 13+32.*U1**2-32.*T3*S13+32.*T3**2+32.*U3*S13+32.*U3**2) |
| 40 | 1 +CV2A2*T**2*(32.*T1*U3+32.*T1*S13+32.*U1*T3+32.*T3*S13) |
| 41 | WWSS=WWSS |
| 42 | 1 +CV2A2*U*(-32.*T1*U1*T3-32.*T1*U1*U3-32.*T1*T3*U3+64.*T1*T3*S13+ |
| 43 | 1 32.*T1*T3**2+32.*T1**2*T3-32.*U1*T3*U3-64.*U1*U3*S13+32.*U1*U3** |
| 44 | 1 2+32.*U1**2*U3) |
| 45 | 1 +CV2A2*U*WM2*(-64.*T1*U3+32.*T1*S13+32.*T1**2-64.*U1*T3-32.*U1*S |
| 46 | 1 13+32.*U1**2+32.*T3*S13+32.*T3**2-32.*U3*S13+32.*U3**2) |
| 47 | 1 +CV2A2*U**2*(32.*T1*U3+32.*U1*T3+32.*U1*S13+32.*U3*S13) |
| 48 | 1 +CV2A2*WM2*(64.*T1*U1*T3+64.*T1*U1*U3+64.*T1*T3*U3-64.*T1*T3**2- |
| 49 | 1 64.*T1**2*T3+64.*U1*T3*U3-64.*U1*U3**2-64.*U1**2*U3) |
| 50 | WWSS=WWSS |
| 51 | 1 +CV2A2*WM2**2*(-64.*T1*S13-64.*T1**2-64.*U1*S13-64.*U1**2-64.*T3 |
| 52 | 1 *S13-64.*T3**2-64.*U3*S13-64.*U3**2-64.*S13**2) |
| 53 | WWSS=2.*WWSS |
| 54 | RETURN |
| 55 | END |
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