Physics at Low x
J. Kwieciński
Abstract
The QCD expectations concerning the deep inelastic lepton - hadron scattering at low x and their phenomenological implications for HERA are summarised. Theoretical predictions for the structure function F2(x,Q2) based on the leading log1/x resummation are presented and compared with the results obtained from the Altarelli-Parisi equations. Theoretical predictions are confronted with the recent data from HERA. The role of studying the final states in deep inelastic scattering for revealing the dynamics at low x is emphasised and some dedicated measurements like deep inelastic plus jet events, transverse energy flow and dijet production in deep inelastic scattering are discussed.
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