Electron-impact excitation of the 6p7s P-3(1) state of Pb atom at small scattering angles

摘要

Electron-impact excitation of the 6p7s P-3(1) state of Pb atom has been investigated both experimentally and theoretically. Differential cross sections (DCSs) were measured at incident electron energies of E-0= 10, 20, 40, 60, 80, and 100 eV and small scattering angles up to 10 using a crossed electron-atom beam technique. The forward scattering function method has been used for determination of the absolute generalized oscillator strengths and DCS values. Corresponding relativistic distorted wave calculations have been performed and compared with experimental results.