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fe4da5cc | 1 | * |
2 | * $Id$ | |
3 | * | |
4 | * $Log$ | |
5 | * Revision 1.1.1.1 1995/10/24 10:21:22 cernlib | |
6 | * Geant | |
7 | * | |
8 | * | |
9 | #include "geant321/pilot.h" | |
10 | *CMZ : 3.21/02 29/03/94 15.41.21 by S.Giani | |
11 | *-- Author : | |
12 | FUNCTION GBRELM(Z,T,BCUT) | |
13 | C. | |
14 | C. ****************************************************************** | |
15 | C. * * | |
16 | C. * To calculate energy loss due to soft muon BREMSSTRAHLUNG. * | |
17 | C. * * | |
18 | C. * ==>Called by : GBRELA * | |
19 | C. * Author L.Urban ********* * | |
20 | C. * * | |
21 | C. ****************************************************************** | |
22 | C. | |
23 | #include "geant321/gconsp.inc" | |
24 | DIMENSION C(52),D(28) | |
25 | DATA C/0.615548E-07,-0.858333E-07, 0.148015E-06,-0.220289E-07 | |
26 | + , 0.162987E-08,-0.305945E-10, 0.170957E-06,-0.272156E-06 | |
27 | + , 0.610418E-07,-0.768052E-08, 0.391729E-09,-0.104624E-10 | |
28 | + , 0.412993E-07,-0.373362E-08,-0.110920E-08, 0.571124E-09 | |
29 | + ,-0.477538E-10, 0.169448E-11, 0.323774E-08,-0.305497E-08 | |
30 | + , 0.758138E-09,-0.121885E-09, 0.857707E-11,-0.253742E-12 | |
31 | + , 0.133703E-08,-0.676756E-09, 0.147782E-09,-0.136039E-10 | |
32 | + , 0.556182E-12,-0.634277E-14, 0.847418E-10,-0.288608E-10 | |
33 | + , 0.224661E-11, 0.514422E-13,-0.122288E-13, 0.333673E-15 | |
34 | + ,-0.153886E-08, 0.100179E-08,-0.149457E-09, 0.734506E-11 | |
35 | + ,-0.507324E-09, 0.146362E-09,-0.126608E-10, 0.778818E-13 | |
36 | + ,-0.161333E-10,-0.199252E-11, 0.100270E-11,-0.347404E-13 | |
37 | + ,-0.465077E-11, 0.121078E-11,-0.131113E-12, 0.431515E-14/ | |
38 | DATA D/-0.389616E-05,-0.130106E-09, 0.101380E-04, 0.259032E-07 | |
39 | + ,-0.816804E-07,-0.961867E-05,-0.603907E-08, 0.192015E-07 | |
40 | + , 0.772670E-08, 0.459337E-05, 0.761272E-09,-0.251956E-08 | |
41 | + , 0.483037E-10,-0.289802E-08,-0.117497E-05,-0.484372E-10 | |
42 | + , 0.155476E-09,-0.218604E-10, 0.812047E-10, 0.380265E-09 | |
43 | + , 0.154338E-06, 0.118357E-11,-0.367778E-11, 0.119199E-11 | |
44 | + ,-0.273719E-11,-0.201239E-11,-0.221931E-10,-0.818793E-08/ | |
45 | C | |
46 | DATA AKSI,BETA,DEL/2.20,1.24,0.58/ | |
47 | C | |
48 | DATA CONMX/0.130653/ | |
49 | C CONMX=0.75*SQRT(2.7182...)*EMMU | |
50 | C. | |
51 | C. ------------------------------------------------------------------ | |
52 | C. | |
53 | GBRELM=0. | |
54 | IF(BCUT.LE.0.) GOTO 99 | |
55 | C | |
56 | Z3=Z**0.333333 | |
57 | E=T+EMMU | |
58 | ECMAX=E-CONMX*Z3 | |
59 | X=LOG(E/EMMU) | |
60 | IF(BCUT.GE.ECMAX) GOTO 60 | |
61 | C | |
62 | Y=LOG(BCUT/EMMU) | |
63 | S=0. | |
64 | YY=1. | |
65 | DO 30 I=1,6 | |
66 | XX=1. | |
67 | DO 20 J=1,6 | |
68 | K=6*I+J-6 | |
69 | S=S+C(K)*XX*YY | |
70 | XX=XX*X | |
71 | 20 CONTINUE | |
72 | YY=YY*Y | |
73 | 30 CONTINUE | |
74 | SS=0. | |
75 | YY=1. | |
76 | DO 50 I=1,4 | |
77 | XX=1. | |
78 | DO 40 J=1,4 | |
79 | K=4*I+J+32 | |
80 | SS=SS+C(K)*XX*YY | |
81 | XX=XX*X | |
82 | 40 CONTINUE | |
83 | YY=YY*Y | |
84 | 50 CONTINUE | |
85 | S=S+Z*SS | |
86 | IF(S.LE.0.) GOTO 99 | |
87 | C | |
88 | FAC=E*(BCUT/E)**BETA | |
89 | FAC=Z*(Z+AKSI*(1.+DEL*LOG(Z)))*FAC | |
90 | GBRELM=FAC*S | |
91 | GOTO 99 | |
92 | C | |
93 | 60 Y=Z3 | |
94 | S=D(1) | |
95 | K=1 | |
96 | XX=1. | |
97 | YPX=Y/X | |
98 | DO 80 I=1,6 | |
99 | II=I+1 | |
100 | XX=XX*X | |
101 | XXYY=XX | |
102 | DO 70 J=1,II | |
103 | K=K+1 | |
104 | S=S+D(K)*XXYY | |
105 | XXYY=XXYY*YPX | |
106 | 70 CONTINUE | |
107 | 80 CONTINUE | |
108 | IF(S.LE.0.) GOTO 99 | |
109 | C | |
110 | FAC=Z*(Z+1.)*ECMAX | |
111 | IF(FAC.LE.0.) GOTO 99 | |
112 | GBRELM=FAC*S | |
113 | C | |
114 | 99 RETURN | |
115 | END |