Current Commutators and Electron Scattering at High Momentum Transfer

John M. Cornwall and Richard E. Norton
Phys. Rev. 177, 2584 – Published 25 January 1969
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Abstract

Sum rules for electron-proton total cross sections are deduced from the vanishing of various equal-time commutators, and it is shown how these cross sections determine the (spin-averaged) proton expectation values of all equal-time commutators involving components of the electric current and their time derivatives. Mild restrictions on the asymptotic behavior of electromagnetic form factors are also obtained.

  • Received 24 July 1968

DOI:https://doi.org/10.1103/PhysRev.177.2584

©1969 American Physical Society

Authors & Affiliations

John M. Cornwall*

  • Department of Physics, University of California, Los Angeles, California

Richard E. Norton†

  • Stanford Linear Accelerator Center, Stanford, California

  • *Alfred P. Sloan Foundation Fellow.
  • †Permanent address: Department of Physics, University of California, Los Angeles, Calif.

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Vol. 177, Iss. 5 — January 1969

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