Abstract
We analyze the nucleon spin conservation in standard QCD and itsN=1 supersymmetric extension. We propose a prescription how to modify the evolution kernels at Bjorkenx=0 in order to make the overall spin of the nucleon constituentsQ 2-independent. We also give detailed asymptotic predictions of the spin sharing within the nucleon.
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E. Richter-Was, J. Szwed: Z. Phys. C—Particles and Fields (1986)
G. Altarelli, G. Parisi: Nucl. Phys.B126, 298 (1977)
J. Babcock, E. Monsay, D. Sivers: Phys. Rev.D19, 1483 (1979)
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Richter-Was, E., Szwed, J. On the spin conservation in standard and supersymmetric QCD at short distances. Z. Phys. C - Particles and Fields 31, 607–610 (1986). https://doi.org/10.1007/BF01551085
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DOI: https://doi.org/10.1007/BF01551085