Quark sea asymmetries of the octet baryons

Details Quark sea asymmetries of the octet baryons Quark sea asymmetries of the octet baryons

2010-05-31

arxiv.org/abs/1005.5655v1

Phys.Rev.D81:114003,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 2 figures, to appear in Phys. Rev. D

Scientific paper

10.1103/Phys.Rev.D.81.114003

The effects of "quark sea" in determining the flavor structure of the octet baryons have been investigated in the chiral constituent quark model (\chiCQM). The \chiCQM is able to qualitatively generate the requisite amount of quark sea and is also known to provide a satisfactory explanation of the proton spin and related issues in the nonperturbative regime. The Bjorken scaling variable x has been included phenomenologically in the sea quark distribution functions to understand its implications on the quark sea asymmetries like \bar d(x)-\bar (x), \bar d(x)/\bar u(x) and Gottfried integral for the octet baryons. The results strengthen the importance of quark sea at lower values of x.

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