The Parton Model: Fundamental Cross Sections

Overview; heuristic justification

Lepton-hadron cross sections

Deeply inelastic scattering kinematics

Cross sections and parton distributions

e⁺e^- annihilation

Total cross section

Single-hadron inclusive annihilation

Jet cross sections

Drell-Yan production

O(_s ) processes

The parton model and experiment

Deep-inelastic scattering

Scaling

Quarks as partons

The charge ratio

Quark number sum rules

Electron-positron annihilation into hadrons

Total cross section and scaling

Two-jet final states as evidence for underlying partons

Angular distribution and spin of the parton

Lepton-pair production (Drell-Yan process)

Scaling

Color factor

Cross-section ratios

Angular distribution of the leptons

Other hard processes