Физика фундаментальных взаимодействий. Сарычева Л.И. - 141 стр.

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Photon Energy
1 Mb
1 kb
1 b
10 mb
10 eV 1 keV 1 MeV 1 GeV 100 GeV
(b) Lead (Z = 82)
experimental σ
tot
σ
p.e.
κ
e
Cross section (barns/atom)Cross section (barns/atom)
10 mb
1 b
1 kb
1 Mb
(a) Carbon (Z = 6)
σ
Rayleigh
σ
Rayleigh
σ
Compton
σ
Compton
κ
nuc
κ
nuc
κ
e
σ
p.e.
experimental σ
tot
                                                                    (a) Carbon ( Z = 6)
                                  1 Mb                                − experimental σtot
         Cross section (barns/atom)




                                               σp.e.


                                      1 kb


                                             σRayleigh



                                       1b

                                                                                        κnuc
                                                      σCompton                                 κe
                    10 mb



                                                                    (b) Lead (Z = 82)
                                                                      − experimental σtot
                                      1 Mb    σp.e.
         Cross section (barns/atom)




                                             σRayleigh

                                      1 kb



                                                                                           κnuc

                                       1b
                                                       σCompton                            κe


                      10 mb
                          10 eV                       1 keV          1 MeV              1 GeV       100 GeV
                                                                 Photon Energy


èñ. 59: Ïîïåðå÷íûå ñå÷åíèÿ âçàèìîäåéñòâèé äëÿ îòîíîâ: a
 â óãëåðîäå è b  â ñâèíöå.



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