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Current algebra and vertex functions

Publication ,  Journal Article
Arnowitt, R; Friedman, MH; Nath, P
Published in: Physical Review Letters
1967

A method is given for calculating vertex functions involving three currents obeying chiral SU(2) ⊗ SU(2) commutation relations, without using soft-pion approximations. The procedure assumes one-particle dominance of intermediate states. The Weinberg sum rule emerges as a consequence of the vanishing of q-number Schwinger Terms. The charge radius of the pion is obtained and is in agreement with existing data.

Duke Scholars

Published In

Physical Review Letters

DOI

Publication Date

1967

Volume

19

Issue

18

Start / End Page

1085 / 1088

Related Subject Headings

  • General Physics
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences
 

Citation

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Arnowitt, R., Friedman, M. H., & Nath, P. (1967). Current algebra and vertex functions. Physical Review Letters, 19(18), 1085–1088. https://doi.org/10.1103/PhysRevLett.19.1085
Arnowitt, R., M. H. Friedman, and P. Nath. “Current algebra and vertex functions.” Physical Review Letters 19, no. 18 (1967): 1085–88. https://doi.org/10.1103/PhysRevLett.19.1085.
Arnowitt R, Friedman MH, Nath P. Current algebra and vertex functions. Physical Review Letters. 1967;19(18):1085–8.
Arnowitt, R., et al. “Current algebra and vertex functions.” Physical Review Letters, vol. 19, no. 18, 1967, pp. 1085–88. Manual, doi:10.1103/PhysRevLett.19.1085.
Arnowitt R, Friedman MH, Nath P. Current algebra and vertex functions. Physical Review Letters. 1967;19(18):1085–1088.

Published In

Physical Review Letters

DOI

Publication Date

1967

Volume

19

Issue

18

Start / End Page

1085 / 1088

Related Subject Headings

  • General Physics
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences