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fe4da5cc | 1 | * |
2 | * $Id$ | |
3 | * | |
4 | * $Log$ | |
5 | * Revision 1.1.1.1 1995/10/24 10:20:03 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 AINEL.FOR | |
13 | *COPY AINEL | |
14 | * * | |
15 | *=== ainel ============================================================* | |
16 | * * | |
17 | FUNCTION AINEL(IJ,ILO,E,A,SQA) | |
18 | ||
19 | #include "geant321/dblprc.inc" | |
20 | #include "geant321/dimpar.inc" | |
21 | #include "geant321/iounit.inc" | |
22 | C******************************************************************** | |
23 | C VERSION BY J. RANFT | |
24 | C LEIPZIG | |
25 | C LAST CHANGE 16. JULY 81 BY PERTTI AARNIO | |
26 | C HELSINKI UNIVERSITY OF | |
27 | C TECHNOLOGY, FINLAND | |
28 | C | |
29 | C | |
30 | C FUNCTION OF FLUKA TO GIVE INELASTICITIES FOR PRODUCTION OF | |
31 | C PARTICLES ILO BY PARTICLE IJ | |
32 | C | |
33 | C NOTE!!!!!!! NON-STANDARD PARTICLE NUMBERING | |
34 | C | |
35 | C INPUT VARIABLES: | |
36 | C IJ = TYPE OF THE PRIMARY | |
37 | C 1=PROTON | |
38 | C 2=NEUTRON | |
39 | C 3=CHARGED PION | |
40 | C | |
41 | C ILO = TYPE OF THE SECONDARY | |
42 | C 1=PROTON | |
43 | C 2=NEUTRON | |
44 | C 3=CHARGED PION | |
45 | C 4=NEUTRAL PION | |
46 | C 5=NUCLEAR EXCITATION EXCLUDING LOW ENERGY | |
47 | C SECONDARIES FROM INTRANUCLEAR CASCADE | |
48 | C 6=INTRANUCLEAR PROTON | |
49 | C 7=INTRANUCLEAR NEUTRON | |
50 | C | |
51 | C E = KINETIC ENERGY OF THE PRIMARY IN GEV | |
52 | C A = ATOMIC WEIGHT OF THE MEDIUM | |
53 | C SQA = SQRT(A) | |
54 | C | |
55 | C OTHER VARIABLES: | |
56 | C AK = LOOK-UP TABLE FOR INELASTCITIES | |
57 | C | |
58 | C******************************************************************** | |
59 | C | |
60 | DIMENSION AK(4,3) | |
61 | SAVE AK | |
62 | DATA AK/ | |
63 | 10.35D0,0.3D0,0.25D0,0.1D0, | |
64 | 10.3D0,0.35D0,0.25D0,0.1D0, | |
65 | 10.15D0,0.15D0,0.5D0,0.2D0/ | |
66 | C | |
67 | C | |
68 | GO TO (1234,1234,1234,1234,5,6,7),ILO | |
69 | C | |
70 | C | |
71 | 1234 CONTINUE | |
72 | IF(E.LT.0.125D0) GO TO 10 | |
73 | AINEL=AK(ILO,IJ)*(1.D0-EEXI(IJ,E,A)/E) | |
74 | RETURN | |
75 | C | |
76 | C | |
77 | 5 CONTINUE | |
78 | IF(E.LT.0.125D0) GO TO 11 | |
79 | ANEL=EEXI(IJ,E,A)/E | |
80 | AKEK=EKEKA(2,E,A,SQA)/E+EKEKA(3,E,A,SQA)/E | |
81 | AINEL=ANEL-AKEK | |
82 | IF (AKEK.GE.ANEL) AINEL=EKEKA(1,E,A,SQA)/E | |
83 | RETURN | |
84 | C | |
85 | C | |
86 | 6 CONTINUE | |
87 | IF(E.LT.0.125D0) GO TO 10 | |
88 | AINEL=EKEKA(2,E,A,SQA)/E | |
89 | RETURN | |
90 | C | |
91 | C | |
92 | 7 CONTINUE | |
93 | IF(E.LT.0.125D0) GO TO 10 | |
94 | AINEL=EKEKA(3,E,A,SQA)/E | |
95 | RETURN | |
96 | C | |
97 | C | |
98 | 10 CONTINUE | |
99 | AINEL=0.D0 | |
100 | RETURN | |
101 | C | |
102 | C | |
103 | 11 CONTINUE | |
104 | AINEL=1.D0 | |
105 | RETURN | |
106 | END |