Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 21, Issue 1, Pages 105-114Publisher
SPRINGER
DOI: 10.1007/s100520100726
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We present a study of the flavor asymmetry of polarized anti-quarks in the nucleon using the meson cloud model. We include contributions both from the vector mesons and the interference terms of pseudoscalar and vector mesons. Employing the bag model, we first give the polarized valence quark distribution of the rho meson and the interference distributions. Our calculations show that the interference effect mildly increases the prediction for Delta(d) over bar (x) - Delta(y) over bar (x) at intermediate x region. We also discuss the contribution of Pauli blocking to the asymmetry.
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