EPJ Web of Conferences
Volume 84, 2015DR2013: Ninth International Conference on Dissociative Recombination: Theory, Experiment, and Applications
|Number of page(s)||10|
|Section||Molecular Superexcited States and Fragmentation|
|Published online||29 January 2015|
Multichannel quantum defect theory of photodissociation in H2
1 Laboratoire Aimé-Cotton, CNRS/Université Paris Sud, Bât. 505, 91405 Orsay, France
2 Laboratoire Ondes et Milieux Complexes UMR-6294 CNRS and Université du Havre, 25, rue Philippe Lebon, BP. 540, 76058 Le Havre, France
3 Department of Physics and Astronomy, University College London, London WC1E 6BT, UK
a Corresponding author: firstname.lastname@example.org
* Also at: Institute for Nuclear Research, Hungarian Academy of Sciences, Debrecen, Hungary
Published online: 29 January 2015
The predissociation profiles of the R(0), R(1) and R(2) lines of the 3pπ1Πu+,v = 3 ←X1Σg+,v′′ = 0 absorption transition in H2 are calculated in a multichannel quantum defect theory approach, implemented on the basis of state-of-the-art potential energy curves (PEC) from the Wolniewicz group. It is shown that the profiles may be very accurately represented by the Fano profile formula although the resonance parameters thus determined do not exactly coincide with the meaning given to them in Fano's original derivation. The recent high-resolution spectrum of the same transitions taken with the SOLEIL synchrotron is well reproduced by the calculations.
© Owned by the authors, published by EDP Sciences, 2015
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