The Quark Distributions in the \Sigma^+ Hyperon

2); (2) Seattle University; 3); (3) Universitaet Giessen; 4) ((1) University of Washington; (4) Institute for Nuclear Theory); Ernest M. Henley (1; Mary Alberg (1; Thomas Falter (1

arxiv: hep-ph/9809243 · v1 · submitted 1998-09-03 · ✦ hep-ph

The Quark Distributions in the Sigma^+ Hyperon

Mary Alberg (1 , 2) , Thomas Falter (1 , 3) , Ernest M. Henley (1 , 4) ((1) University of Washington , (2) Seattle University , (3) Universitaet Giessen

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(4) Institute for Nuclear Theory)

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classification ✦ hep-ph

keywords sigmaasymmetrybaryoncalculateclouddeviationsdistributiondistributions

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We use the meson cloud model and the Sullivan mechanism to estimate the sea flavor asymmetry in the \Sigma^+ baryon and calculate the distribution functions of both sea and valence quarks. We find large deviations from SU(3).

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The Quark Distributions in the Sigma^+ Hyperon

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