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3-jet cross sections at low x and Q2 |
| Reference |
C. Werner, presented at DIS 2006, Spring 2006 |
| Document |
Conference paper or talk
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| Contact |
C. Werner, F. Eisele |
| Abstract |
New parton dynamics, characterized by initial state gluon radiation
which is non-ordered in parton virtuality, are expected to become important
in the kinematic region of small Bjorken-x in ep scattering at HERA.
Evidence for this feature of QCD is searched for by studying 3-jet cross sections
at low x and Q^2 both in the full kinematic range and for topologies
where one resp. two of the three jets are forward jets, emitted near the proton direction.
The measurements are compared to order alphas^2 and alphas^3 predictions
of the NLO++ higher order QCD program and to LO MC models generating
initial state emissions which are ordered and non-ordered in virtuality. |
| Comments | |
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