[fluka-discuss]: Re: Isotopic composition of natural materials

From: Santana, Mario <msantana_at_slac.stanford.edu>
Date: Wed, 20 Jan 2016 02:33:33 +0000

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>






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Received on Wed Jan 20 2016 - 05:14:01 CET

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