·X-ray的光电吸收 X-ray photon electron M→aa发.。 oxygen atom Compton scattering Recoil electron ·Compton scattering Target Incident electron photon at rest 电子经典散射截面 6.65x10-25cm2 Scattered photon y-2y=△M=h1-c0s6) 6/4/2022 mc• X-ray的光电吸收 • Compton scattering 电子经典散射截面 6.65x10-25 cm2 6/4/2022