Steel by shitingting

VIEWS: 0 PAGES: 19

									                      1.E+00
                                                           Pd-103 MC
                                     stainless-steel       Pd-103 Archer et al.
                                                           I-125 MC
                      1.E-01                               I-125 Archer et al.
transmission




                                                           Cs-131 MC
                                                           Cs-131 Archer et al.
                      1.E-02



                      1.E-03



                      1.E-04
               -0.4            0.1              0.6         1.1                   1.6
                       stainless-steel shielding barrier thickness (mm)
                                   Archer et al                                 “Radiation transmission data for radionuclides and m
                                     a (mm ) =
                                           -1
Radionuclide:    Pd-103                            1.763E+01                    P. Papagiannis, D. Baltas, D. Granero, J. Pérez-Cala
                                     b (mm ) =
                                           -1
Material:        Stainless steel                   -1.788E-03                   Med. Phys. 35, 4898-4906
                                             g=   -1.225E+00
                                                                                                                                    
                                                                                                     
                                                                                                                  1
                                                                                                                                 1 T
                                                                Archer et al. model  T =  1  b eag x  b 
                                                                                                                       g
                                                                                                                            x = ln
                 Interpolation     Archer et al                                           
                                                                                                a         a
                                                                                                                               ag 
        HVL1 =      0.0412           0.0393       mm                                                                                
                                                                                                                                    
        TVL1 =       0.128            0.131       mm
        HVLe =                       0.0393       mm
                                                                               1.E+00




                                                                Transmission
        TVLe =                        0.131       mm

Thickness (mm) Transmission Uncertainty             Archer
           0.00   1.000E+00    0.0E+00             1.000E+00
           0.01    8.817E-01    9.4E-04            8.384E-01                   1.E-01
           0.02    7.406E-01    1.7E-03            7.029E-01
           0.04    5.113E-01    1.4E-03            4.941E-01
           0.08    2.452E-01    1.1E-03            2.442E-01
           0.14    8.069E-02    5.0E-04            8.491E-02
           0.16    5.736E-02    3.1E-04            5.974E-02
                                                                               1.E-02
           0.18    4.024E-02    2.8E-04            4.205E-02
           0.22    2.016E-02    1.1E-04            2.089E-02
           0.26    1.040E-02    2.5E-04            1.045E-02
           0.29    6.177E-03    1.2E-04            6.285E-03                   1.E-03
           0.32    4.120E-03    7.5E-05            3.842E-03
           0.36    2.337E-03    6.3E-05            2.092E-03
           0.45    9.621E-04    5.6E-05            8.026E-04
           0.55    5.586E-04    3.9E-05            5.785E-04
           0.65    4.581E-04    3.9E-05            5.513E-04                   1.E-04
           0.75    3.800E-04    2.8E-05            5.484E-04                             0                  0.2
tion transmission data for radionuclides and materials relevant to brachytherapy facility shielding”
agiannis, D. Baltas, D. Granero, J. Pérez-Calatayud, J. Gimeno, F. Ballester and J. L. M. Venselaar


                                                 g b 
                                           1 T  a 
                              1
l  T =  1  b eag x  b 
                                   g
                                        x = ln
        
              a         a
                                           ag  1  b 
                                                
                                                     a 
                                                        


                                                      Pd-103 / Steel


                                                            Monte Carlo
                                                            Archer et al.




                      0.2                       0.4              0.6          0.8
                                                                 Thickness (mm)
                                   Archer et al                                   “Radiation transmission data for radionuclides and ma
                                    a (mm )
                                           -1
Radionuclide:    I-125                          -2.267E+03                        P. Papagiannis, D. Baltas, D. Granero, J. Pérez-Calat
                                    b (mm )
                                           -1
Material:        Stainless steel                 2.275E+03                        Med. Phys. 35, 4898-4906
                                        g        8.977E-05

                                                                                                         
                                                                                                                       1
                                                               Archer et al. model  T =  1  b eag x  b 
                                                                                                                            g          1
                  Interpolation    Archer et al                                                                                 x=      ln
                                                                                         
                                                                                               a         a
                                                                                                                                     ag
        HVL1 =       0.0993           0.0943      mm
        TVL1 =        0.317           0.321       mm
        HVLe =                      -0.00031      mm         Warning!: alpha parameter is negative. Derived HVLe and TVLe
        TVLe =                       -0.0010      mm

Thickness (mm) Transmission Uncertainty Archer
              0    1.000E+00   0.0E+00 1.000E+00                              1.E+00
           0.05    7.265E-01   2.0E-03 6.913E-01




                                                               Transmission
           0.10    4.972E-01   2.0E-03 4.798E-01
           0.17    2.954E-01   6.7E-04 2.895E-01
           0.25    1.627E-01   8.4E-04 1.639E-01
           0.35    7.883E-02   2.4E-04 8.156E-02                              1.E-01
           0.43    4.548E-02   5.6E-04 4.714E-02
           0.50    2.825E-02   3.2E-04 2.940E-02
           0.60    1.447E-02   2.5E-04 1.514E-02
           0.67    9.236E-03   1.9E-04 9.596E-03
           0.72    6.751E-03   9.1E-05 6.955E-03
           0.80    4.227E-03   1.2E-04 4.184E-03
                                                                              1.E-02
           0.90    2.440E-03   6.7E-05 2.242E-03
           1.00    1.391E-03   4.7E-05 1.217E-03
            1.1    7.616E-04   2.1E-05 6.685E-04
            1.2    5.403E-04   2.3E-05 3.718E-04
            1.3    3.941E-04   3.1E-05 2.092E-04                              1.E-03



                                                                              1.E-04
                                                                                       0        0.2           0.4
tion transmission data for radionuclides and materials relevant to brachytherapy facility shielding”
agiannis, D. Baltas, D. Granero, J. Pérez-Calatayud, J. Gimeno, F. Ballester and J. L. M. Venselaar


                                                  g b 
                                           1 T  a 
                               1
el  T =  1  b eag x  b 
                                    g
                                        x=   ln
         
               a         a
                                           ag  1  b 
                                                 
                                                     a 
                                                        
ameter is negative. Derived HVLe and TVLe values are meaningful.




                                                    I-125 / Steel



                                                       Monte Carlo
                                                       Archer et al.




                      0.4        0.6          0.8          1      1.2    1.4
                                                            Thickness (mm)
                                   Archer et al                                   “Radiation transmission data for radionuclides an
Radionuclide:    Cs-131             a (mm-1)     5.849E+00                        P. Papagiannis, D. Baltas, D. Granero, J. Pérez-C
Material:        Stainless steel    b (mm-1)     -4.963E-04                       Med. Phys. 35, 4898-4906
                                        g       -1.044E+00

                                                                                                      
                                                                                                                   1
                                                               Archer et al. model  T =  1  b eag x  b 
                                                                                                                        g          1
                  Interpolation    Archer et al                                                                             x=      ln
                                                                                         
                                                                                               a         a
                                                                                                                                 ag
        HVL1 =        0.123           0.119       mm
        TVL1 =        0.390           0.394       mm
        HVLe =                        0.119       mm
        TVLe =                        0.394       mm                          1.E+00
Thickness (mm) Transmission Uncertainty            Archer




                                                               Transmission
              0    1.000E+00   0.0E+00                     1
           0.04    8.260E-01    2.8E-03            7.914E-01
            0.1    5.764E-01    2.1E-03            5.572E-01                  1.E-01
           0.15    4.225E-01    7.9E-04            4.160E-01
            0.3    1.703E-01    6.2E-04            1.730E-01
            0.4    9.406E-02    7.9E-04            9.646E-02
            0.5    5.178E-02    3.5E-04            5.379E-02
            0.6    2.863E-02    3.6E-04            3.001E-02                  1.E-02
            0.7    1.660E-02    4.8E-04            1.677E-02
            0.8    9.261E-03    1.8E-04            9.388E-03
            0.9    5.443E-03    9.1E-05            5.278E-03
              1    3.197E-03    1.5E-04            2.989E-03
           1.15    1.467E-03    5.7E-05            1.308E-03                  1.E-03
           1.25    7.670E-04    2.1E-05            7.801E-04
           1.35    4.903E-04    2.8E-05            4.869E-04
           1.45    3.158E-04    2.0E-05            3.245E-04
           1.55    1.749E-04    7.4E-06            2.349E-04
                                                                              1.E-04
                                                                                       0                     0.5
smission data for radionuclides and materials relevant to brachytherapy facility shielding”
 D. Baltas, D. Granero, J. Pérez-Calatayud, J. Gimeno, F. Ballester and J. L. M. Venselaar


                                             g b 
                                       1 T  a 
                          1
1 b               b 
                               g
            ag x
                                   x=
       a e           a
                      
                                         ln
                                       ag  1  b 
                                            
                                                a 
                                                   



                                                Cs-131 / Steel


                                                       Monte Carlo
                                                       Archer et al.




                   0.5                          1                 1.5
                                                           Thickness (mm)
                                   Archer et al                                    “Radiation transmission data for radionuclides an
Radionuclide:    Tm-170             a (mm-1)      3.556E-01                        P. Papagiannis, D. Baltas, D. Granero, J. Pérez-C
Material:        Stainless steel    b (mm-1)      5.014E-01                        Med. Phys. 35, 4898-4906
                                        g         1.013E+00
                                                                                                                                     
                                                                                                     
                                                                                                                1
                                                                                                                                1 T
                                                               Archer et al. model  T =  1  b eag x  b 
                                                                                                                     g
                                                                                                                         x=     ln
                 Inteerpolation    Archer et al                                          
                                                                                               a         a
                                                                                                                              ag  1
        HVL1 =        1.006           0.978       mm                                                                                
                                                                                                                                    
        TVL1 =         4.43            4.39       mm
        HVLe =                         1.95       mm
        TVLe =                         6.48       mm
                                                                                1.E+00




                                                                 Transmission
Thickness (mm) Transmission Uncertainty            Archer
              0    1.000E+00   0.0E+00                     1
            0.4    7.509E-01    1.7E-03            7.310E-01
                                                                                1.E-01
            0.8    5.667E-01    1.7E-03            5.583E-01
            1.6    3.482E-01    1.1E-03            3.521E-01
            3.2    1.627E-01    2.4E-04            1.645E-01
              5    7.991E-02    3.5E-04            7.840E-02
                                                                                1.E-02
              6    5.403E-02    3.0E-04            5.324E-02
              7    3.806E-02    1.5E-04            3.652E-02
              9    1.783E-02    2.2E-04            1.750E-02
             11    8.546E-03    2.3E-04            8.491E-03
                                                                                1.E-03
             12    5.839E-03    1.3E-04            5.930E-03
             14    2.729E-03    7.3E-05            2.901E-03
             16    1.284E-03    6.4E-05            1.422E-03
             18    5.747E-04    1.9E-05            6.974E-04                    1.E-04
             20    2.329E-04    1.7E-05            3.423E-04
             22    1.425E-04    1.7E-05            1.681E-04
             24    5.299E-05    9.2E-06            8.252E-05
                                                                                1.E-05
                                                                                         0                5
smission data for radionuclides and materials relevant to brachytherapy facility shielding”
 D. Baltas, D. Granero, J. Pérez-Calatayud, J. Gimeno, F. Ballester and J. L. M. Venselaar


                                        g b 
                                  1 T  a 
                   1
 b      ag x b         g

     a e  a  
                            x=     ln
                                  ag  1  b 
                                       
                                           a 
                                              



                                              Tm-170 / Steel

                                                       Monte Carlo
                                                       Archer et al.




                                  10              15          20        25
                                                           Thickness (mm)
                                   Archer et al                                   “Radiation transmission data for radionuclides and
Radionuclide:    Yb-169             a (mm-1)    7.914E-02                         P. Papagiannis, D. Baltas, D. Granero, J. Pérez-C
Material:        Stainless steel    b (mm-1)    2.820E+00                         Med. Phys. 35, 4898-4906
                                        g       6.094E+00
                                                                                                                                    g
                                                                                                    
                                                                                                               1
                                                                                                                               1 T
                                                              Archer et al. model  T =  1  b eag x  b 
                                                                                                                    g
                                                                                                                        x=     ln
                  Interpolation    Archer et al                                         
                                                                                              a         a
                                                                                                                             ag  1 
        HVL1 =         2.24           2.16        mm                                                                               
                                                                                                                                   
        TVL1 =         21.8           21.6        mm
        HVLe =                        8.76        mm
        TVLe =                        29.1        mm                      1.E+00




                                                               Transmission
Thickness (mm) Transmission Uncertainty            Archer
             0     1.000E+00   0.0E+00                    1
             2     5.121E-01    1.0E-03           5.101E-01
             5     3.777E-01    3.1E-04           3.785E-01                   1.E-01
            12     2.182E-01    9.1E-04           2.143E-01
            20     1.155E-01    3.7E-04           1.137E-01
            26     7.198E-02    4.8E-04           7.074E-02
            32     4.435E-02    2.1E-04           4.400E-02
            40     2.296E-02    1.5E-04           2.336E-02
            48     1.190E-02    1.4E-04           1.240E-02                   1.E-02
            55     6.790E-03    1.7E-04           7.127E-03
            62     3.890E-03    6.6E-05           4.095E-03
            70     2.224E-03    4.3E-05           2.174E-03
            78     1.141E-03    1.9E-05           1.154E-03
            84     6.641E-04    5.2E-05           7.180E-04
            92     4.853E-04    5.4E-05           3.812E-04
                                                                              1.E-03
           100     2.062E-04    2.6E-05           2.024E-04
           108     1.304E-04    2.3E-05           1.074E-04



                                                                              1.E-04
                                                                                       0           20
smission data for radionuclides and materials relevant to brachytherapy facility shielding”
 D. Baltas, D. Granero, J. Pérez-Calatayud, J. Gimeno, F. Ballester and J. L. M. Venselaar


                                       g b 
                                 1 T  a 
                  1
b      ag x b         g

    a e  a  
                           x=     ln
                                 ag  1  b 
                                      
                                          a 
                                             



                                                 Yb-169 / Steel


                                                         Monte Carlo
                                                         Archer et al.




                   40                 60            80         100     120
                                                           Thickness (mm)
                                   Archer et al                                    “Radiation transmission data for radionuclides an
Radionuclide:    Ir-192             a (mm-1)       5.594E-02                       P. Papagiannis, D. Baltas, D. Granero, J. Pérez-
Material:        Stainless steel    b (mm-1)      -2.669E-02                       Med. Phys. 35, 4898-4906
                                        g         1.546E+00


                                                                                                         
                                                                                                                      1
                                                               Archer et al. model  T =  1  b eag x  b 
                                                                                                                           g          1
                  Interpolation    Archer et al                                                                                x=
        HVL1 =         17.7           17.8        mm                                     
                                                                                               a         a
                                                                                                                                    ag
        TVL1 =         48.6           48.5        mm
        HVLe =                        12.4        mm
        TVLe =                        41.2        mm                           1.E+00




                                                                Transmission
Thickness (mm) Transmission Uncertainty            Archer
             0     1.000E+00   0.0E+00                     1
            10     7.059E-01    6.1E-04            7.044E-01
            20     4.501E-01    4.0E-04            4.509E-01
            30     2.712E-01    6.0E-04            2.721E-01                   1.E-01
            40     1.596E-01    6.4E-04            1.594E-01
            50     9.269E-02    2.7E-04            9.205E-02
            60     5.305E-02    4.4E-04            5.285E-02
            70     3.055E-02    1.1E-04            3.026E-02
            80     1.710E-02    2.3E-04            1.731E-02                   1.E-02
            90     9.830E-03    1.1E-04            9.897E-03
           100     5.508E-03    8.3E-05            5.658E-03
           110     3.195E-03    7.9E-05            3.234E-03
           120     1.683E-03    7.4E-05            1.848E-03
           130     9.869E-04    2.7E-05            1.056E-03
           140     5.559E-04    3.5E-05            6.038E-04                   1.E-03
           150     3.104E-04    2.0E-05            3.451E-04
           160     1.564E-04    2.2E-05            1.972E-04


                                                                               1.E-04
                                                                                        0                       50
smission data for radionuclides and materials relevant to brachytherapy facility shielding”
 D. Baltas, D. Granero, J. Pérez-Calatayud, J. Gimeno, F. Ballester and J. L. M. Venselaar



                                              g b 
                                       1 T  a 
                           1
 1 b               b 
                                g
             ag x
                                    x=
        a e           a
                       
                                          ln
                                        ag  1  b 
                                             
                                                 a 
                                                    



                                                Ir-192 / Steel


                                                        Monte Carlo
                                                        Archer et al.




                    50                        100             150
                                                        Thickness (mm)
                                   Archer et al                                  “Radiation transmission data for radionuclides and
Radionuclide:    Au-198             a (mm-1)     5.877E-02                       P. Papagiannis, D. Baltas, D. Granero, J. Pérez-C
Material:        Stainless steel    b (mm-1)    -3.062E-02                       Med. Phys. 35, 4898-4906
                                        g       1.056E+00


                                                                                                          
                                                                                                                        1
                                                              Archer et al. model  T =  1  b eag x  b 
                  Interpolation    Archer et al                                                                              g
                                                                                                                                 x=
        HVL1 =         18.8           19.0        mm                                    
                                                                                              a         a
                                                                                                          
        TVL1 =         50.4           50.3        mm
        HVLe =                        11.8        mm
        TVLe =                        39.2        mm
                                                                              1.E+00
Thickness (mm) Transmission Uncertainty            Archer




                                                               Transmission
             0     1.000E+00   0.0E+00                    1
             6     8.403E-01    1.3E-03           8.309E-01
            16     5.692E-01    6.9E-04           5.690E-01
            25     3.774E-01    5.4E-04           3.796E-01                   1.E-01
            40     1.762E-01    7.2E-04           1.762E-01
            52     9.161E-02    4.8E-04           9.082E-02
            60     5.794E-02    4.0E-04           5.763E-02
            70     3.279E-02    2.1E-04           3.239E-02
            85     1.393E-02    8.9E-05           1.352E-02
            95     7.420E-03    1.2E-04           7.530E-03
                                                                              1.E-02
           105     4.238E-03    1.1E-04           4.189E-03
           110     3.024E-03    9.9E-05           3.124E-03
           120     1.693E-03    4.2E-05           1.736E-03
           130     8.419E-04    2.2E-05           9.651E-04
           140     5.121E-04    2.8E-05           5.363E-04                   1.E-03
           150     2.414E-04    1.9E-05           2.980E-04
           160     1.307E-04    1.0E-05           1.656E-04



                                                                              1.E-04
                                                                                       0                       50




                    4.16406E-05      #REF!
smission data for radionuclides and materials relevant to brachytherapy facility shielding”
 D. Baltas, D. Granero, J. Pérez-Calatayud, J. Gimeno, F. Ballester and J. L. M. Venselaar



                                           g b 
                                    1 T  a 
                        1
=  1  b eag x  b 
                             g
                                 x=   ln
  
        a         a
                                    ag  1  b 
                                          
                                              a 
                                                 



                                         Au-198 / Steel


                                               Monte Carlo
                                               Archer et al.




               50                       100                150
                                                     Thickness (mm)
                                   Archer et al                                       “Radiation transmission data for radionuclide
Radionuclide:    Cs-137             a (mm-1)            4.826E-02                     P. Papagiannis, D. Baltas, D. Granero, J. Pé
Material:        Stainless steel    b (mm-1)           -2.337E-02                     Med. Phys. 35, 4898-4906
                                        g               8.206E-01


                                                                                                              
                                                                                                                           1
                                                                    Archer et al. model  T =  1  b eag x  b 
                                                                                                                                g
                  Interpolation    Archer et al
                                                                                                                                    
        HVL1 =         22.8           23.0        mm                                          
                                                                                                    a         a
                                                                                                                
        TVL1 =         62.5           62.5        mm
        HVLe =                        14.4        mm
        TVLe =                        47.7        mm
                                                                                   1.E+00




                                                                    Transmission
Thickness (mm) Transmission Uncertainty                Archer
             0     1.000E+00   0.0E+00                          1
            15     6.594E-01    1.1E-03                 6.531E-01
            30     3.868E-01    7.2E-04                 3.876E-01
            45     2.120E-01    3.4E-04                 2.135E-01                  1.E-01
            60     1.119E-01    4.0E-04                 1.118E-01
            70     7.188E-02    3.5E-04                 7.126E-02
            85     3.612E-02    1.2E-04                 3.563E-02
           100     1.793E-02    1.7E-04                 1.757E-02
           110     1.085E-02    6.2E-05                 1.092E-02
                                                                                   1.E-02
           120     6.894E-03    6.9E-05                 6.772E-03
           135     3.301E-03    4.0E-05                 3.298E-03
           150     1.499E-03    2.4E-05                 1.603E-03
           160     9.033E-04    4.5E-05                 9.902E-04
           170     5.747E-04    2.6E-05                 6.115E-04
           180     3.755E-04    1.7E-05                 3.776E-04                  1.E-03
           190     2.057E-04    1.3E-05                 2.331E-04
           200     1.393E-04    9.5E-06                 1.439E-04



                                                                                   1.E-04
                                                                                            0                  50
smission data for radionuclides and materials relevant to brachytherapy facility shielding”
 D. Baltas, D. Granero, J. Pérez-Calatayud, J. Gimeno, F. Ballester and J. L. M. Venselaar



                                          g b 
                                   1 T  a 
                       1
  1  b eag x  b         g
                                x=   ln
 
       a         a
                                   ag  1  b 
                                         
                                             a 
                                                



                                          Cs-137 / Steel


                                              Monte Carlo
                                              Archer et al.




          50                     100           150           200
                                                     Thickness (mm)
                                   Archer et al                                       “Radiation transmission data for radionuclide
Radionuclide:    Co-60              a (mm-1)            3.542E-02                     P. Papagiannis, D. Baltas, D. Granero, J. Pé
Material:        Stainless steel    b (mm-1)           -1.654E-02                     Med. Phys. 35, 4898-4906
                                        g               8.584E-01

                                                                                                           
                                                                                                                        1
                                                                    Archer et al. model  T =  1  b eag x  b 
                                                                                                                             g
                  Interpolation    Archer et al                                                                                  x=
                                                                                              
                                                                                                    a         a
                                                                                                                
        HVL1 =         30.5           30.5        mm
        TVL1 =         83.6           83.5        mm
        HVLe =                        19.6        mm
        TVLe =                        65.0        mm                                1.E+00




                                                                     Transmission
Thickness (mm) Transmission Uncertainty                Archer
             0     1.000E+00   0.0E+00                          1
            10     8.267E-01    1.2E-03                 8.171E-01
            30     5.068E-01    6.7E-04                 5.063E-01                   1.E-01
            50     2.879E-01    2.6E-04                 2.888E-01
            70     1.560E-01    6.2E-04                 1.554E-01
            90     8.104E-02    2.1E-04                 8.057E-02
           110     4.136E-02    2.0E-04                 4.084E-02
           130     2.087E-02    1.3E-04                 2.044E-02
           145     1.212E-02    2.0E-04                 1.210E-02
                                                                                    1.E-02
           160     7.173E-03    1.8E-04                 7.146E-03
           175     4.236E-03    6.4E-05                 4.213E-03
           190     2.431E-03    6.2E-05                 2.481E-03
           200     1.643E-03    4.3E-05                 1.743E-03
           215     9.715E-04    2.0E-05                 1.025E-03                   1.E-03
           230     5.758E-04    3.8E-05                 6.032E-04
           240     3.627E-04    2.5E-05                 4.234E-04
           250     2.582E-04    1.2E-05                 2.972E-04

                                                                                    1.E-04
                                                                                             0                  50
smission data for radionuclides and materials relevant to brachytherapy facility shielding”
 D. Baltas, D. Granero, J. Pérez-Calatayud, J. Gimeno, F. Ballester and J. L. M. Venselaar


                                             g b 
                                       1 T  a 
                          1
1 b               b 
                               g
            ag x
                                   x=
       a e           a
                      
                                         ln
                                       ag  1  b 
                                            
                                                a 
                                                   



                                                   Co-60 / Steel

                                                       Monte Carlo
                                                       Archer et al.




            50                      100        150        200      250
                                                           Thickness (mm)

								
To top