Il Nuovo Cimento A (1965-1970)

, Volume 105, Issue 1, pp 9–26 | Cite as

Proton spin in terms of hadronic couplings

  • A. V. Kisselev
  • V. A. Petrov


The quark contribution to the proton spin is expressed via axial and pseudoscalar meson couplings to nucleon. A connection between\(g_{\eta \mathcal{N}\mathcal{N}} , g_{\eta '\mathcal{N}\mathcal{N}} \) and the η′-η-mixing angle has been obtained for the case when an analogue of the Goldberger-Treiman relation for the singlet axial current is valid.


11.40.Dw - General theory of currents 


13.88 - Polarization in interactions and scattering 


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Copyright information

© Società Italiana di Fisica 1992

Authors and Affiliations

  • A. V. Kisselev
    • 1
  • V. A. Petrov
    • 1
  1. 1.Institute for High Energy PhysicsProtvino, Moscow RegionUSSR

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