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Commit | Line | Data |
---|---|---|
1 | * | |
2 | * $Id$ | |
3 | * | |
4 | * $Log$ | |
5 | * Revision 1.1.1.1 1995/10/24 10:19:59 cernlib | |
6 | * Geant | |
7 | * | |
8 | * | |
9 | #include "geant321/pilot.h" | |
10 | *CMZ : 3.21/02 29/03/94 15.41.44 by S.Giani | |
11 | *-- Author : | |
12 | *$ CREATE BETA.FOR | |
13 | *COPY BETA | |
14 | * | |
15 | *=== beta =============================================================* | |
16 | * | |
17 | FUNCTION BETA(X1,X2,BET) | |
18 | ||
19 | #include "geant321/dblprc.inc" | |
20 | #include "geant321/dimpar.inc" | |
21 | #include "geant321/iounit.inc" | |
22 | AX=0.D0 | |
23 | BETX1=BET*X1 | |
24 | IF(BETX1.LT.70.D0) AX=-1.D0/BET**2*(BETX1+1.D0)*EXP(-BETX1) | |
25 | AY=1.D0/BET**2*(BET*X2+1.D0)*EXP(-BET*X2) | |
26 | BETA=AX+AY | |
27 | RETURN | |
28 | END |