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nat

VIEWS: 2 PAGES: 35

									                             ENDF/B-VII V-NAT
                             Principal cross sections
                             3
                        10


                        102
Cross section (barns)




                             1
                        10


                        100


                        10-1
                                                       total
                                                       absorption
                        10-2                           elastic
                                                       gamma production
                             -3
                        10
                                      -11        -10        -9        -8        -7    -6        -5        -4        -3        -2    -1        0        1
                                 10         10         10        10        10        10    10        10        10        10        10    10       10
                                                                                     Energy (MeV)
                             ENDF/B-VII V-NAT
                             resonance total cross section


                                     total
Cross section (barns)




                         1
                        10




                               -4                                     -3
                             10                                      10
                                                      Energy (MeV)
                          ENDF/B-VII V-NAT
                          resonance total cross section


                                   total
Cross section (barns)




                        102




                        101


                              -3                                   -2
                          10                                      10
                                                   Energy (MeV)
                             ENDF/B-VII V-NAT
                             resonance total cross section


                        102          total
Cross section (barns)




                          1
                        10




                        100




                               -2                                     -1
                             10                                      10
                                                      Energy (MeV)
                          ENDF/B-VII V-NAT
                          resonance total cross section


                                   total
                        101
Cross section (barns)




                        100




                              -1                                   0
                          10                                      10
                                                   Energy (MeV)
                        ENDF/B-VII V-NAT
                        resonance total cross section


                                total
Cross section (barns)




                          0                                      1
                        10                                      10
                                                 Energy (MeV)
                             ENDF/B-VII V-NAT
                             resonance absorption cross sections


                                       capture
Cross section (barns)




                             0
                        10




                             -1
                        10




                                  -4                                 -3
                                 10                                 10
                                                     Energy (MeV)
                             ENDF/B-VII V-NAT
                             resonance absorption cross sections


                                       capture
Cross section (barns)




                             0
                        10




                             -1
                        10




                                  -3                                 -2
                                 10                                 10
                                                     Energy (MeV)
                             ENDF/B-VII V-NAT
                             resonance absorption cross sections


                                     capture

                        100
Cross section (barns)




                             -1
                        10




                        10-2




                        10-3
                              -2                                     -1
                            10                                      10
                                                     Energy (MeV)
                             ENDF/B-VII V-NAT
                             resonance absorption cross sections
                             -2
                        10
                                     capture
Cross section (barns)




                        10-3
                              -1                                     0
                            10                                      10
                                                     Energy (MeV)
                             ENDF/B-VII V-NAT
                             resonance absorption cross sections


                                       capture
Cross section (barns)




                             -3
                        10




                                   0                                 1
                                  10                                10
                                                     Energy (MeV)
                              ENDF/B-VII V-NAT
                              Heating

                         100
                                      heating
Heating (MeV/reaction)




                         10-1



                         10-2


                              -3
                         10



                         10-4



                         10-5
                               -11    -10    -9    -8    -7   -6    -5    -4    -3    -2   -1        0        1
                            10     10     10    10    10    10   10    10    10    10    10     10       10
                                                           Energy (MeV)
                          ENDF/B-VII V-NAT
                          Damage


                                  damage
                     10-1
Damage (MeV-barns)




                          -2
                     10



                     10-3



                     10-4



                     10-5
                           -11    -10    -9    -8    -7   -6    -5    -4    -3    -2   -1        0        1
                        10     10     10    10    10    10   10    10    10    10    10     10       10
                                                       Energy (MeV)
                             ENDF/B-VII V-NAT
                             Non-threshold reactions


                                                   (n,gma)
                        102
Cross section (barns)




                             1
                        10


                        100


                        10-1

                             -2
                        10


                        10-3


                                      -11        -10        -9        -8        -7    -6        -5        -4        -3        -2    -1        0        1
                                 10         10         10        10        10        10    10        10        10        10        10    10       10
                                                                                     Energy (MeV)
                        ENDF/B-VII V-NAT
                        Principal cross sections
                        5

                                                                  total
                                                                  absorption
                        4                                         elastic
Cross section (barns)




                                                                  gamma production


                        3



                        2



                        1



                        0
                            0            5              10        15                 20
                                                   Energy (MeV)
                           ENDF/B-VII V-NAT
                           Heating
                         1.6
                                   heating
                         1.4
Heating (MeV/reaction)




                         1.2

                         1.0

                         0.8

                         0.6

                         0.4

                         0.2

                         0.0
                               0             5        10        15   20
                                                 Energy (MeV)
                        ENDF/B-VII V-NAT
                        Damage
                     300
                     *10-3
                                     damage

                     250
Damage (MeV-barns)




                     200


                     150


                     100


                      50


                       0
                             0   2        4   6   8    10   12   14   16   18   20
                                                  Energy (MeV)
                             ENDF/B-VII V-NAT
                             Non-threshold reactions


                                          (n,gma)

                             -3
                        10
Cross section (barns)




                        10-4




                                  0   2         4   6   8    10   12   14   16   18   20
                                                        Energy (MeV)
                           ENDF/B-VII V-NAT
                           Inelastic levels
                        500
                        *10-3
                                                                      (n,n*1)
                                                                      (n,n*2)
                        400                                           (n,n*3)
Cross section (barns)




                                                                      (n,n*4)
                                                                      (n,n*5)

                        300



                        200



                        100



                          0
                                0   2   4     6   8    10   12   14   16        18   20
                                                  Energy (MeV)
                         ENDF/B-VII V-NAT
                         Inelastic levels
              40
            *10-3
              35                                                     (n,n*6)
                                                                     (n,n*7)
                                                                     (n,n*8)
Cross section (barns)




                        30                                           (n,n*9)
                                                                     (n,n*10)
                        25

                        20

                        15

                        10

                         5

                         0
                             2   4   6      8     10    12     14   16          18   20
                                                Energy (MeV)
                         ENDF/B-VII V-NAT
                         Inelastic levels
              25
            *10-3
                                                                     (n,n*11)
                                                                     (n,n*12)
                        20                                           (n,n*13)
Cross section (barns)




                                                                     (n,n*14)
                                                                     (n,n*15)

                        15



                        10



                         5



                         0
                             2   4   6      8     10    12     14   16          18   20
                                                Energy (MeV)
                         ENDF/B-VII V-NAT
                         Inelastic levels
              40
            *10-3
              35                                                     (n,n*16)
                                                                     (n,n*17)
                                                                     (n,n*18)
Cross section (barns)




                        30                                           (n,n*19)
                                                                     (n,n*20)
                        25

                        20

                        15

                        10

                         5

                         0
                             2   4   6      8     10    12     14   16          18   20
                                                Energy (MeV)
                         ENDF/B-VII V-NAT
                         Inelastic levels
              40
            *10-3
              35                                                     (n,n*21)
                                                                     (n,n*22)
                                                                     (n,n*23)
Cross section (barns)




                        30                                           (n,n*24)


                        25

                        20

                        15

                        10

                         5

                         0
                             2   4   6      8     10    12     14   16          18   20
                                                Energy (MeV)
                          ENDF/B-VII V-NAT
                          Threshold reactions
                        1.4
                                  (n,2n)
                        1.2       (n,n*)a
                                  (n,n*)p
                                  (n,n*)d
Cross section (barns)




                                  (n,n*c)
                        1.0


                        0.8


                        0.6


                        0.4


                        0.2


                        0.0
                              2   4         6   8     10    12     14   16   18   20
                                                    Energy (MeV)
                         ENDF/B-VII V-NAT
                         Threshold reactions
              30
            *10-3
                                     (n,p)
                                     (n,d)
                        25           (n,t)
                                     (n,he3)
Cross section (barns)




                                     (n,a)
                        20


                        15


                        10


                         5


                         0
                             0   2             4   6   8    10   12   14   16   18   20
                                                       Energy (MeV)
                         ENDF/B-VII V-NAT
                         Threshold reactions
              12
            *10-6
                                  (n,2p)
                                  (n,pa)
                        10
Cross section (barns)




                         8


                         6


                         4


                         2


                         0
                             10            12   14        16   18   20
                                                Energy (MeV)
                           ENDF/B-VII V-NAT
                           Threshold reactions
                        120
                        *10-3
                                        (n,xp)
                                        (n,xd)
                        100             (n,xt)
                                        (n,xhe3)
Cross section (barns)




                                        (n,xa)
                         80


                         60


                         40


                         20


                          0
                                0   2          4   6   8    10   12   14   16   18   20
                                                       Energy (MeV)
            ENDF/B-VII V-NAT
            angular distribution for elastic




            1
       10
                                                                       20




            0
           10
                                                                  15




                -1
           10
                                                               V)




Prob/Cos
                                                              e

                                                   10




                -2
                                                          (M
                                                         gy




            1.
                                                       r




              0
           10
                                                   ne
                                                   E


                                               5




                     0. C
                       5 osi
                            -0
                        0 n
                              .5
                         .0 e
                                -1
                                       0

                                  .0
       ENDF/B-VII V-NAT
       Neutron emission for (n,2n)
                                                                   20




                -1
           10
                                                              18
                                                           V)




                -3
                                                         e




Prob/MeV
                                                       (M 6
                                                      y 1




           10
                                                   14




            0
                                                   rg
                                                ne




                     2
                                              E




                         4




            S
                                         12




             ec
                     .E    6
                       ne
                         rgy 8 1
                                0
                                    10
       ENDF/B-VII V-NAT
       Neutron emission for (n,n*)a
                                                                  20




                -1
           10
                                                             18
                                                          V)




                -3
                                                        e




Prob/MeV
                                                      (M 6
                                                     y 1




           10
                                                  14




            0
                                                  rg
                                             E ne




                      2




            S
                                        12




             ec
                     .E
                       ne 4
                         rgy
                               6
                                   10
       ENDF/B-VII V-NAT
       Neutron emission for (n,n*)p
                                                                        20




                -1
                                                                   18




           10
                                                            V) 6




                -3
                                                           e 1




Prob/MeV
                                                        (M
                                                        y




           10




            0
                                                      rg 4
                                                    ne 1

                                             12
                                                  E




                      5




            S
             ec
                                        10


                     .E
                       ne 10
                         rgy
                                    8

                               15
       ENDF/B-VII V-NAT
       Neutron emission for (n,n*c)
                                                                           20




                -1
                                                                      18




           10
                                                                 16
                                                               V) 4




                -3
                                                              e 1




Prob/MeV
                                                           (M

                                                  10
                                                         y




           10




            0
                                                       rg 1 2


                                              8
                                                  E ne




                     5




            S
                                          6



                        1




             ec
                     .E 0
                                      4


                       ne 15
                         rgy
                                  2

                             20
       ENDF/B-VII V-NAT
       Photon emission for nonelastic




                1
           10
                                                                             20
                                                                        18
                                                                   16




                -1
                                                              14




           10




Prob/MeV
                                                            eV)
                                                           M 12

                                                   8




            0
                                                        n(
                                                       E 10


                                               6




                        1
                                           4




                Eγ
                     (M 0
                                       2


                       eV
                          )
                                   0

                              20
                              ENDF/B-VII V-NAT
                              thermal capture photon spectrum
Gamma Prod (barns/MeV)




                           2
                         10




                         101




                           0
                         10




                               0              2             4          6   8
                                                  Gamma Energy (MeV)
                              ENDF/B-VII V-NAT
                              14 MeV photon spectrum



                              0
Gamma Prod (barns/MeV)




                         10



                              -1
                         10



                              -2
                         10




                         10-3

                                   0             5               10   15
                                                 Gamma Energy (MeV)

								
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