(e,2e) Spectroscopy of methane |
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Authors: | E Weigold S Dey AJ Dixon IE McCarthy PJO Teubner |
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Institution: | School of Physical Sciences, The Flinders University of South Australia, Bedford Park, S.A., Australia 5042 |
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Abstract: | Measurements are reported on the spectroscopy of methane using the symmetric (e,2e) technique at energies of 600 eV and 1200 eV. The angular correlations of the states with separation energies of 14.2 and 23.1 eV have been measured and compared with the orbital wavefunctions of Snyder and Basch and with some earlier data at 400eV. The angular correlation of the configuration interaction state at 31 eV shows that this state definetely results from the removal of an electron in the 2a1 orbital. Other structure at high separation energy is also identified with this orbital. Relative strengths of the It2 and 2a1 states are compared and found to be in agreement with the theory at 1200eV. |
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