Experimental Test of the Drell-Yan Model inp+W→μ++μ−+X
作者： P. S. Gauthier , M. J. Glaubman , H. Johnstad , M. L. Mallary , J. Moromisato
DOI: 10.1103/PHYSREVLETT.46.1607
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摘要: We report a high-statistics study of the reaction p+W..--> mu../sup +/+..mu../sup -/+X with use an intense 400-GeV/c proton beam, magnetized-iron beam dump, and wide-acceptance detector. Using data near x/sub F/ = 0, we have extracted nucleon sea-quark distribution find it to be factor 1.6 +- 0.3 larger than that obtained by inelastic charged-current neutrino scattering. then compare Drell-Yan prediction our including previously unexplored region large excellent agreement for wide range ..mu..-pair invariant mass.
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