Electron-impact ionization of helium with large energy transfer
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We consider the recently measured case of 730 eV electron-impact ionization of the ground state of helium with 205 and 500 eV coplanar outgoing electrons by Catoire et al. J. Phys. B 39 2827 (2006)]. These measurements, which are on a relative scale, show some unexpected structure and variation from the second-order distorted-wave Born approximation R-matrix and Brauner-Briggs-Klar theories. Using the convergent close-coupling method we provide an improved agreement with experiment, but some discrepancies still remain.
|Publication Type:||Journal Article|
|Publisher:||The American Physical Society|
|Copyright:||© 2006 The American Physical Society|
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