Fragmentation pathwaysfor selected electronic states of theacetylene dication

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Coincident measurement of the Auger electron and fragmention momenta emitted after carbon core-level photoionization of acetylenehas yielded new understanding of how the dication fragments. Ab initiocalculations and experimental data, including body-frame Auger angulardistributions, are used to identify the parent electronic states andtogether yield a comprehensive map of the dissociation pathways whichinclude surface crossings and barriers to direct dissociation. The Augerangular distributions show evidence of core-holelocalization.

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Osipov, Timur; Rescigno, Thomas N.; Weber, Thorsten; Miyabe,Shungo; Jahnke, T.; Alnaser, A. et al. December 18, 2007.

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Description

Coincident measurement of the Auger electron and fragmention momenta emitted after carbon core-level photoionization of acetylenehas yielded new understanding of how the dication fragments. Ab initiocalculations and experimental data, including body-frame Auger angulardistributions, are used to identify the parent electronic states andtogether yield a comprehensive map of the dissociation pathways whichinclude surface crossings and barriers to direct dissociation. The Augerangular distributions show evidence of core-holelocalization.

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  • Journal Name: Journal of Physics B; Journal Volume: 41; Related Information: Journal Publication Date: 2008

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  • Report No.: LBNL--63760
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 933108
  • Archival Resource Key: ark:/67531/metadc902540

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  • December 18, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Oct. 31, 2016, 3:50 p.m.

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Osipov, Timur; Rescigno, Thomas N.; Weber, Thorsten; Miyabe,Shungo; Jahnke, T.; Alnaser, A. et al. Fragmentation pathwaysfor selected electronic states of theacetylene dication, article, December 18, 2007; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc902540/: accessed December 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.