Schwinger terms and the light-cone expansion

L. Gomberoff, L. P. Horwitz

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A singularity on the light cone is conjectured which accounts for the Schwinger term required for the consistency of the Lee-Dashen-Gell-Mann sum rule with that of Cabibbo and Radicati. This singularity requires W3 to scale, rather than (as conventionally assumed) W3; because of positivity constraints, such behavior forbids in principle the usual scaling law for W1 and W2.

Original languageEnglish
Pages (from-to)2578-2583
Number of pages6
JournalPhysical Review D
Volume8
Issue number8
DOIs
StatePublished - 1973
Externally publishedYes

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