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We investigate the information which could be obtained from Drell-Yan processes with sufficiently intense beams of charged kaons on isoscalar targets. It is found that combinations of K + and K - Drell-Yan measurements on isoscalar nuclear targets would allow one to extract the kaon sea quark distributions. These cross sections are also sensitive to the strange valence quark distribution...
Pion sea quark distributions are relatively poorly determined. We show that combinations of π + and π - Drell-Yan measurements on deuterium allow the pion sea distribution to be extracted. The contribution from the sea of the pion is comparable with that from its valence quarks and hence the experiment should be quite sensitive to the fraction of the pion momentum carried by the...
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