Forward pi0 -Meson and Charged Particle Production in Deep Inelastic Scattering at low Bjorken-x
Abstract
High transverse momentum pi0 -mesons and charged particles are measured in deep inelastic e-p scattering events at low Bjorken-x taken with the H1 detector at HERA. The production of high-pt particles is strongly correlated to the emission of hard partons in QCD and is therefore sensitive to the dynamics of the strong interaction. For the first time the measurement of single particles has been extended to the region of small angles w.r.t. the proton remnant (forward region). This region is expected to be particularly sensitive to QCD evolution effects in final states. Results are presented as a function of Bjorken-x and xi, the fraction of the incident proton's energy carried by the particle, and are compared to different QCD models.
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