Comment on “Gamma-ray spectra from low-energy positron annihilation processes in molecules”

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      In the article by Ma et al. [Phys. Rev. A 94, 052709 (2016)]-ray spectra for positron annihilation on molecules were calculated in the independent-particle approximation with the positron wave function set to unity. Based on comparisons with experimental data they concluded that inner valence electrons play a dominant role in positron annihilation. These conclusions are incorrect and resulted from fallacious analysis that ignored the known effect of the positron wave function on the spectra.

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      DOI

      Original languageEnglish
      Article number036701
      Number of pages1
      JournalPhysical Review A (Atomic, Molecular, and Optical Physics)
      Journal publication date13 Mar 2017
      Volume95
      DOIs
      StatePublished - 13 Mar 2017

      ID: 125815563