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Related Experiment Videos

Deep inelastic scattering of leptons.

J Schwinger1

  • 1Department of Physics, University of California, Los Angeles, Calif. 90024.

Proceedings of the National Academy of Sciences of the United States of America
|October 1, 1976
PubMed
Summary

This study extends deep inelastic scattering models to accurately represent structure functions for electron and neutrino scattering off protons and neutrons. The approach also predicts polarization asymmetry in electron-proton scattering.

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Area of Science:

  • High-energy particle physics
  • Quantum chromodynamics
  • Scattering theory

Background:

  • Deep inelastic scattering (DIS) probes the internal structure of hadrons.
  • Existing models describe DIS through resonance production and diffractive scattering.
  • Quantitative representations of nucleon structure functions are crucial for understanding fundamental interactions.

Purpose of the Study:

  • To extend the description of deep inelastic scattering.
  • To achieve quantitative representations of structure functions for various scattering processes.
  • To predict polarization asymmetry in electron-proton scattering.

Main Methods:

  • Extrapolation between resonance production and diffractive scattering models.
  • Application to unpolarized electron scattering on protons and neutrons.
  • Application to neutrino and antineutrino scattering on nucleons.

Main Results:

  • Successful quantitative representations of structure functions for electron-proton/neutron scattering.
  • Successful quantitative representations of structure functions for neutrino/antineutrino-nucleon scattering.
  • Provides a predictive framework for polarization phenomena in DIS.

Conclusions:

  • The extended DIS model provides a unified and successful description of nucleon structure functions.
  • The model's success validates the extrapolation approach between resonance and diffractive regimes.
  • The framework offers testable predictions for future experiments, including polarization asymmetry.

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