High-energy limit for the problem of two vector currents

D. Horn*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


The Dashen-Gell-Mann assumption about the equal-time commutation relations of vector densities at infinite momentum is formulated as a high-energy theorem in a covariant form. This limit applies to the retarded product of two isovector conserved currents. An alternative formulation is given in terms of a scattering amplitude of isovector photons, from which a family of superconvergence relations is derived.

Original languageEnglish
Pages (from-to)1652-1654
Number of pages3
JournalPhysical Review
Issue number5
StatePublished - 1967


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