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Inclusive single-particle distributions and transverse momenta of forward produced charged hadrons in μp scattering at 470 GeV
Abstract:Using data from the Fermilab fixed target experiment E665, general properties of forward produced charged hadrons in μp interactions at a primary muon energy of 470 GeV are investigated. The normalized inclusive singleparticle distributions for Feynman-x D(xF ) and for the transverse momentum D(p 2 t , xF ) are measured as a function of W and Q 2. The dependence of the average transverse momentum squared 〈p 2 t〉 on xF , W and Q 2 is studied. The increasing contribution from diffractive production as Q 2 decreases leads to a reduction of the average charged hadron multiplicities at low (positive) xF and an enhancement at large xF , for Q 2 ? 10 GeV2. It also reduces 〈p 2 t〉 for Q2 ? 5 GeV2 and 0.4 ? xF < 1.0.
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