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arXiv · 1110.1606

Comparison of kaon and pion valence quark distributions in a statistical model

Mary Alberg·Jeffrey Tibbals
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Abstract

We have calculated the Bjorken-x dependence of the kaon and pion valence quark distributions in a statistical model. Each meson is described by a Fock state expansion in terms of quarks, antiquarks and gluons. Although Drell-Yan experiments have measured the pion valence quark distributions directly, the kaon valence quark distributions have only been deduced from the measurement of the ratio $\bar{u}_K(x)/\bar{u}_π(x)$. We show that, using no free parameters, our model predicts the decrease of this ratio with increasing x.

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Mary Alberg, Jeffrey Tibbals. 2011-10-07. Comparison of kaon and pion valence quark distributions in a statistical model. https://doi.org/10.1016/j.physletb.2012.02.029

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