Manzhos, Sergei; Romanescu, Constantin; Loock, Hans-Peter and Underwood, Jonathan G.
PDF (Version of Record)
- Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader
|DOI (Digital Object Identifier) Link:||http://doi.org/10.1063/1.1809571|
|Google Scholar:||Look up in Google Scholar|
A formalism for calculating the angular momentum polarization of an atom or a molecule following two-photon excitation of a J-selected state is presented. This formalism is used to interpret the H atom photofragment angular distributions from single-photon dissociation of two-photon rovibronically state selected HCl and HBr prepared via a Q-branch transition. By comparison of the angular distributions measured using the velocity map imaging technique with the theoretical model it is shown that single-photon dissociation of two-photon prepared states can be used for pathway identification, allowing for the identification of the virtual state symmetry in the two-photon absorption and/or the symmetry of the dissociative state. It is also shown that under conditions of excitation with circularly polarized light, or for excitation via non-Q-branch transitions with linearly polarized light the angular momentum polarization is independent of the dynamics of the two-photon transition and analytically computable.©2004 American Institute of Physics.
|Item Type:||Journal Article|
|Copyright Holders:||2004 American Institute of Physics|
|Keywords:||laser-induced fluorescence; enhanced MPI spectra; molecular photodissociation; nonresonant excitation; diatomic-molecules; reaction dynamics; hydrogen bromide; alignment; orientation; population|
|Academic Unit/Department:||Science > Physical Sciences
|Depositing User:||Astrid Peterkin|
|Date Deposited:||22 Dec 2006|
|Last Modified:||23 Feb 2016 21:30|
|Share this page:|
► Automated document suggestions from open access sources
Download history for this item
These details should be considered as only a guide to the number of downloads performed manually. Algorithmic methods have been applied in an attempt to remove automated downloads from the displayed statistics but no guarantee can be made that they have all been cleansed.