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Zeitschrift für Physik C Particles and Fields
ISSN: 0170-9739 (printed version)
ISSN: 1431-5858 (electronic version)
Abstract Volume 73 Issue 1 (1996) pp 133-140
Integrated spin structure function of the nucleon using extended Fock space approach
R. Nag (1), S. Sanyal (2)
(1) Department of Physics, Banaras Hindu University, Varanasi 221005, India
(2) Computer Center, Banaras Hindu University, Varanasi 221005, India
Received: 30 August 1995/Revised version: 8 March 1996
Abstract. We study the effect of sea quarks on the integrated spin structure functions, the F/D ratio and the total quark polarization, <Sigma>, of the nucleon. The extended Fock space approach is used to incorporate the sea quarks and its wavefunction is properly antisymmetrized. These configurations give significant contributions to the integrated spin structure functions. In particular, antisymmetrization is found to play an important role in the case of the integrated spin structure function of the neutron and the F/D ratio. We find good agreement with experimental values for all four spin polarization observables.
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