• Media type: E-Article
  • Title: Positive Pion Absorption on 3He Using Modern Trinucleon Wavefunctions
  • Contributor: Schneider, S. [Author]; Haidenbauer, J. [Author]; Hanhart, C. [Author]; Niskanen, J. A. [Author]
  • imprint: Inst., 2003
  • Published in: Physical review / C 67, 044003 (2003). doi:10.1103/PhysRevC.67.044003
  • Language: English
  • DOI: https://doi.org/10.1103/PhysRevC.67.044003
  • ISSN: 0556-2813
  • Keywords: pi+ nucleus: absorption ; helium: nuclide ; analyzing power: angular dependence ; p: polarization ; bibliography ; numerical calculations: interpretation of experiments ; deuteron ; Feynman graph ; three-body problem: wave function ; pi+: hadroproduction ; p p: inelastic scattering ; differential cross section: angular dependence
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  • Description: We study pion absorption on He-3 employing trinucleon wave functions calculated from modern realistic NN interactions (Paris, CD-Bonn). Even though the use of genuine trinucleon wave functions leads to a significant improvement over older calculations with regard to both cross section and polarization data, there are hints that polarization data with quasifree kinematics cannot be described by just two-nucleon absorption mechanisms.
  • Access State: Open Access