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Advances in Studies of Physical Processes
Published online by Cambridge University Press: 22 September 2016
Extract
The forbidden lines in planetary nebulae are due to transitions between energy levels belonging to configurations ns2npq with q = 1 to 5, and with n = 2 ([O II], [O III], …) or n = 3 ([S II], [S III], …). For electron impact excitation of these levels, the expansion
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- Session III: Physical Processes
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- Copyright © Reidel 1978