Il Nuovo Cimento A (1965-1970)

, Volume 105, Issue 10, pp 1413–1419

How large is the anomalous contribution to the proton spin?

  • A. V. Kisselev
  • V. A. Petrov

DOI: 10.1007/BF02731975

Cite this article as:
Kisselev, A.V. & Petrov, V.A. Nuov Cim A (1992) 105: 1413. doi:10.1007/BF02731975


The definitions of parton polarized distributions contained in the literature are critically analyzed. It is shown that in the chiral limit the contribution of «anomalous» Dirac sea to the proton spin is exactly one third of the total quark contribution.


12.90 - Miscellaneous theoretical ideas and models 

Copyright information

© Società Italiana di Fisica 1992

Authors and Affiliations

  • A. V. Kisselev
    • 1
  • V. A. Petrov
    • 2
  1. 1.International Centre for Theoretical PhysicsTrieste
  2. 2.CERNGenevaSwitzerland
  3. 3.IHEPProtvino (Moscow Region)USSR

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