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Flavor Asymmetry Of The Light Quark Sea From Semi-Inclusive Deep-Inelastic Scattering

PHYSICAL REVIEW LETTERS, no. 25 (1998): 5519-5523

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The flavor asymmetry of the light quark sea of the nucleon is determined in the kinematic range 0.02 < x < 0.3 and 1 < Q(2) < 10 GeV2 for the first time from semi-inclusive deep-inelastic scattering. The quantity [(d) over bar(x) - (u) over bar(x)]/[u(x) - d(x)] is derived from a relationship between the yields of positive and negative pi...更多

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