Hi Firpo,
Below are natural isotopic compositions used by FLUKA from Z=1, 96
-Mario
NATURAL ISOTOPIC COMPOSITIONS
Z A %
---------------------
1 1 0.999885000
2 0.000115000
---------------------
2 4 0.999998630
3 0.000001370
---------------------
3 7 0.924100000
6 0.075900000
---------------------
4 9 1.000000000
---------------------
5 11 0.801000000
10 0.199000000
---------------------
6 12 0.989300000
13 0.010700000
---------------------
7 14 0.996320000
15 0.003680000
---------------------
8 16 0.997570000
18 0.002050000
17 0.000380000
---------------------
9 19 1.000000000
---------------------
10 20 0.907004020
22 0.092725323
21 0.000270658
---------------------
11 23 1.000000000
---------------------
12 24 0.789900000
26 0.110100000
25 0.100000000
---------------------
13 27 1.000000000
---------------------
14 28 0.922296078
29 0.046831953
30 0.030871969
---------------------
15 31 1.000000000
---------------------
16 32 0.949300000
34 0.042900000
33 0.007600000
36 0.000200000
---------------------
17 35 0.757800000
37 0.242200000
---------------------
18 40 0.996003000
36 0.003365000
38 0.000632000
---------------------
19 39 0.932581000
41 0.067302000
40 0.000117000
---------------------
20 40 0.969410000
44 0.020860000
42 0.006470000
48 0.001870000
43 0.001350000
46 0.000040000
---------------------
21 45 1.000000000
---------------------
22 48 0.737200000
46 0.082500000
47 0.074400000
49 0.054100000
50 0.051800000
---------------------
23 51 0.997500000
50 0.002500000
---------------------
24 52 0.837890000
53 0.095010000
50 0.043450000
54 0.023650000
---------------------
25 55 1.000000000
---------------------
26 56 0.917540000
54 0.058450000
57 0.021190000
58 0.002820000
---------------------
27 59 1.000000000
---------------------
28 58 0.680769000
60 0.262231000
62 0.036345000
61 0.011399000
64 0.009256000
---------------------
29 63 0.691700000
65 0.308300000
---------------------
30 64 0.486300000
66 0.279000000
68 0.187500000
67 0.041000000
70 0.006200000
---------------------
31 69 0.601080000
71 0.398920000
---------------------
32 74 0.362800000
72 0.275400000
70 0.208400000
73 0.077300000
76 0.076100000
---------------------
33 75 1.000000000
---------------------
34 80 0.496100000
78 0.237700000
76 0.093700000
82 0.087300000
77 0.076300000
74 0.008900000
---------------------
35 79 0.506900000
81 0.493100000
---------------------
36 84 0.570000000
86 0.173000000
82 0.115800000
83 0.114900000
80 0.022800000
78 0.003500000
---------------------
37 85 0.721700000
87 0.278300000
---------------------
38 88 0.825800000
86 0.098600000
87 0.070000000
84 0.005600000
---------------------
39 89 1.000000000
---------------------
40 90 0.514500000
94 0.173800000
92 0.171500000
91 0.112200000
96 0.028000000
---------------------
41 93 1.000000000
---------------------
42 98 0.241300000
96 0.166800000
95 0.159200000
92 0.148400000
100 0.096300000
97 0.095500000
94 0.092500000
---------------------
43 97 1.000000000
---------------------
44 102 0.315500000
104 0.186200000
101 0.170600000
99 0.127600000
100 0.126000000
96 0.055400000
98 0.018700000
---------------------
45 103 1.000000000
---------------------
46 106 0.273300000
108 0.264600000
105 0.223300000
110 0.117200000
104 0.111400000
102 0.010200000
---------------------
47 107 0.518390000
109 0.481610000
---------------------
48 114 0.287300000
112 0.241300000
111 0.128000000
110 0.124900000
113 0.122200000
116 0.074900000
106 0.012500000
108 0.008900000
---------------------
49 115 0.957100000
113 0.042900000
---------------------
50 120 0.325800000
118 0.242200000
116 0.145400000
119 0.085900000
117 0.076800000
124 0.057900000
122 0.046300000
112 0.009700000
114 0.006600000
115 0.003400000
---------------------
51 121 0.572100000
123 0.427900000
---------------------
52 130 0.340800000
128 0.317400000
126 0.188400000
125 0.070700000
124 0.047400000
122 0.025500000
123 0.008900000
120 0.000900000
---------------------
53 127 1.000000000
---------------------
54 132 0.268900000
129 0.264400000
131 0.211800000
134 0.104400000
136 0.088700000
130 0.040800000
128 0.019200000
124 0.000900000
126 0.000900000
---------------------
55 133 1.000000000
---------------------
56 138 0.716980000
137 0.112320000
136 0.078540000
135 0.065920000
134 0.024170000
130 0.001060000
132 0.001010000
---------------------
57 139 0.999100000
138 0.000900000
---------------------
58 140 0.884500000
142 0.111140000
138 0.002510000
136 0.001850000
---------------------
59 141 1.000000000
---------------------
60 142 0.272000000
144 0.238000000
146 0.172000000
143 0.122000000
145 0.083000000
148 0.057000000
150 0.056000000
---------------------
61 145 1.000000000
---------------------
62 152 0.267500000
154 0.227500000
147 0.149900000
149 0.138200000
148 0.112400000
150 0.073800000
144 0.030700000
---------------------
63 153 0.521900000
151 0.478100000
---------------------
64 158 0.248400000
160 0.218600000
156 0.204700000
157 0.156500000
155 0.148000000
154 0.021800000
152 0.002000000
---------------------
65 159 1.000000000
---------------------
66 164 0.281800000
162 0.255100000
163 0.249000000
161 0.189100000
160 0.023400000
158 0.001000000
156 0.000600000
---------------------
67 165 1.000000000
---------------------
68 166 0.336100000
168 0.267800000
167 0.229300000
170 0.149300000
164 0.016100000
162 0.001400000
---------------------
69 169 1.000000000
---------------------
70 174 0.318300000
172 0.218300000
173 0.161300000
171 0.142800000
176 0.127600000
170 0.030400000
168 0.001300000
---------------------
71 175 0.974100000
176 0.025900000
---------------------
72 180 0.350800000
178 0.272800000
177 0.186000000
179 0.136200000
176 0.052600000
174 0.001600000
---------------------
73 181 0.999880000
180 0.000120000
---------------------
74 184 0.306400000
186 0.284300000
182 0.265000000
183 0.143100000
180 0.001200000
---------------------
75 187 0.627000000
185 0.373000000
---------------------
76 192 0.407800000
190 0.262600000
189 0.161500000
188 0.132400000
187 0.019600000
186 0.015900000
184 0.000200000
---------------------
77 193 0.627000000
191 0.373000000
---------------------
78 195 0.338320000
194 0.329670000
196 0.252420000
198 0.071630000
192 0.007820000
190 0.000140000
---------------------
79 197 1.000000000
---------------------
80 202 0.298600000
200 0.231000000
199 0.168700000
201 0.131800000
198 0.099700000
204 0.068700000
196 0.001500000
---------------------
81 205 0.704760000
203 0.295240000
---------------------
82 208 0.524000000
206 0.241000000
207 0.221000000
204 0.014000000
---------------------
83 209 1.000000000
---------------------
84 209 1.000000000
---------------------
85 210 1.000000000
---------------------
86 222 1.000000000
---------------------
87 223 1.000000000
---------------------
88 226 1.000000000
---------------------
89 227 1.000000000
---------------------
90 232 1.000000000
---------------------
91 231 1.000000000
---------------------
92 238 0.992745000
235 0.007200000
234 0.000055000
---------------------
93 237 1.000000000
---------------------
94 244 1.000000000
---------------------
95 243 1.000000000
---------------------
96 247 1.000000000
________________________________
From: owner-fluka-discuss_at_mi.infn.it <owner-fluka-discuss_at_mi.infn.it> on behalf of Firpo Gabriele <Gabriele.Firpo_at_ann.ansaldo.it>
Sent: Monday, January 18, 2016 2:01 AM
To: fluka-discuss_at_fluka.org
Subject: [fluka-discuss]: Isotopic composition of natural materials
Dear FLUKA forum,
I found in the FLUKA manual that if an element is included as a material e no specification is given with its isotopic composition (via the COMPOUND card), the "natural isotopic composition" is assumed by FLUKA.
The question is: which is the reference natural isotopic composition in FLUKA?
Running a test case, I did not find any reference and/or isotopic list in the output files. Is that true?
In particular, I would need the FLUKA natural isotopic composition of the following elements:
C
Si
P
S
Cr
Mn
Fe
Ni
Co
Nb
Mo
H
O
Na
Mg
Al
K
Ca
Eu
Best regards,
[S_ORANGE_Logo_Ansaldo_Nucleare_2014]
Gabriele Firpo
Nuclear Physicist
Reactor and Safety Dept.
C.so F.M. Perrone, 25
16152 Genova - Italia
Ph: +39.010.655.83.42
www.ansaldonucleare.it<
http://www.ansaldonucleare.it/>
gabriele.firpo_at_ann.ansaldo.it<mailto:gabriele.firpo_at_ann.ansaldo.it>
P
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Received on Wed Jan 20 2016 - 05:14:01 CET