Triple Differential Cross sections and Nuclear Recoil in Two-Photon Double Ionization of Helium

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Triple differential cross sections (TDCS) for two-photon double ionization of helium are calculated using the method of exterior complex scaling both above and below the threshold for sequential ionization (54.4 eV). It is found that sequential ionization produces characteristic behavior in the TDCS that identifies that process when it is in competition with nonsequential ionization. Moreover we see the signature in the TDCS and nuclear recoil cross sections of"virtual sequential ionization" below the threshold for the sequential process.

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Horner, Daniel A.; McCurdy, C. William & Rescigno, Thomas N April 29, 2008.

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Triple differential cross sections (TDCS) for two-photon double ionization of helium are calculated using the method of exterior complex scaling both above and below the threshold for sequential ionization (54.4 eV). It is found that sequential ionization produces characteristic behavior in the TDCS that identifies that process when it is in competition with nonsequential ionization. Moreover we see the signature in the TDCS and nuclear recoil cross sections of"virtual sequential ionization" below the threshold for the sequential process.

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  • Journal Name: Physical Review A; Journal Volume: 78; Related Information: Journal Publication Date: October, 2008

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  • Report No.: LBNL-1262E
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 944429
  • Archival Resource Key: ark:/67531/metadc893537

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  • April 29, 2008

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  • Sept. 27, 2016, 1:39 a.m.

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  • Oct. 3, 2016, 4:25 p.m.

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Horner, Daniel A.; McCurdy, C. William & Rescigno, Thomas N. Triple Differential Cross sections and Nuclear Recoil in Two-Photon Double Ionization of Helium, article, April 29, 2008; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc893537/: accessed November 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.