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Forward pi0 meson production at HERA |
| Reference |
Lidia Goerlich, talk presented at DIS 2002, April 2002 |
| Document |
Conference paper
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| Contact |
Lidia Goerlich, Jacek Turnau |
| Abstract |
The dynamics of QCD evolution at low values of Bjorken-x is studied via the measurement of hard pi^0 probes in deeply inelastic positron proton scattering with the H1 experiment. The pi^0 mesons are measured in a region of small angles with respect to the proton remnant in the laboratory frame, the so-called forward region. Differential cross sections for inclusive pi^0 meson production are presented as a function of Bjorken-x and pi^0 transverse momentum, in different regions of the four momentum transfer Q^2. The accompanying transverse energy flow around the pi^0 is also studied. The data are used to discriminate between different QCD evolution schemes for the parton ladder between proton and photon. |
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