Inclusive single-particle distributions and transverse momenta of forward produced charged hadrons in μp scattering at 470 GeV

M. R. Adams, M. Aderholz, S. Aïd, P. L. Anthony, D. A. Averill, M. D. Baker, B. R. Baller, A. Banerjee, A. A. Bhatti, U. Bratzler, H. M. Braun, T. J. Carroll, H. L. Clark, J. M. Conrad, R. Davisson, I. Derado, F. S. Dietrich, W. Dougherty, T. Dreyer, V. EckardtU. Ecker, M. Erdmann, G. Y. Fang, J. Figiel, R. W. Finlay, H. J. Gebauer, D. F. Geesaman, K. A. Griffioen, R. S. Guo, J. Haas, C. Halliwell, D. Hantke, K. H. Hicks, H. E. Jackson, D. E. Jaffe, G. Jancso, D. M. Jansen, Z. Jin, S. Kaufmann, R. D. Kennedy, E. R. Kinney, H. G.E. Kobrak, A. V. Kotwal, S. Kunori, J. J. Lord, H. J. Lubatti, D. McLeod, P. Madden, S. Magill, A. Manz, H. Melanson, D. G. Michael, H. E. Montgomery, J. G. Morfin, R. B. Nickerson, J. Novak, K. Olkiewicz, L. Osborne, R. Otten, V. Papavassiliou, B. Pawlik, F. M. Pipkin, D. H. Potterveld, A. Röser, J. J. Ryan, C. W. Salgado, H. Schellman, M. Schmitt, N. Schmitz, K. P. Schüler, J. Seyerlein, G. Siegert, A. Skuja, G. A. Snow, S. Söldner-Rembold, P. Spentzouris, P. Stopa, R. A. Swanson, H. Venkataramania, M. Wilhelm, Richard Wilson, W. Wittek, S. A. Wolbers, A. Zghiche, T. Zhao

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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 single-particle distributions for Feynman-x D(xF) and for the transverse momentum D(pt2, xF) are measured as a function of W and Q2. The dependence of the average transverse momentum squared 〈pt2〉 on xF, W and Q2 is studied. The increasing contribution from diffractive production as Q2 decreases leads to a reduction of the average charged hadron multiplicities at low (positive) xF and an enhancement at large xF, for Q2 ≲ 10 GeV2. It also reduces 〈pt2〉 for Q2 ≲ 5 GeV2 and 0.4 ≲ xF < 1.0.

Original languageEnglish
Pages (from-to)441-463
Number of pages23
JournalZeitschrift fur Physik C-Particles and Fields
Issue number3
StatePublished - Nov 1997


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