]>
Commit | Line | Data |
---|---|---|
fe4da5cc | 1 | * |
2 | * $Id$ | |
3 | * | |
4 | * $Log$ | |
5 | * Revision 1.1.1.2 1996/10/30 08:28:29 cernlib | |
6 | * Version 7.04 | |
7 | * | |
8 | * Revision 1.1.1.1 1996/04/12 15:29:22 plothow | |
9 | * Version 7.01 | |
10 | * | |
11 | * | |
12 | #include "pdf/pilot.h" | |
13 | FUNCTION GHRGL(Y,SQ) | |
14 | C | |
15 | C STRUCTURE FUNCTION GLUON FROM A PROTON | |
16 | ASQ=ABS(SQ) | |
17 | SI=1. | |
18 | IF (ASQ.GT.0.) SI=SQ/ABS(SQ) | |
19 | A=0.9243+2.51*SI*ASQ**0.5 | |
20 | B=8.558-9.227*SI*ASQ**0.3-0.655*SI*ASQ**1.5 | |
21 | C=53.57-68.78*SI*ASQ**0.3+19.3*SQ | |
22 | D=6.0+1.454*SQ | |
23 | E=11.29*SQ**2 | |
24 | F=41.24+50.71*SQ | |
25 | GHRGL =A*(1.0+B*Y+C*Y**2)*(1.0-Y)**D+E* EXP(-F*Y) | |
26 | RETURN | |
27 | END |