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Scale Invariance and Current-Algebra Sigma Terms
Phys. Rev. D 2, 1023 – Published 15 September, 1970
DOI: https://doi.org/10.1103/PhysRevD.2.1023
Abstract
It is shown that, in a scale-invariant theory in which the vacuum does not realize the symmetry, the dominant contribution to the sigma terms arising in current-algebra determinations of the meson-baryon scattering lengths can be estimated.
References (9)
- J. Wess, Nuovo Cimento 18, 1086 (1960) D. M. Greenberger, Ann. Phys. (N.Y.) 25, 290 (1963) H. A. Kastrup, Nucl. Phys. 58, 561 (1964) G. Mack, ibid. B5, 499 (1968) K. G. Wilson, Phys. Rev. 179, 1499 (1969) S. Ciccariello, R. Gatto, G. Sartori, and M. Tonin, Phys. Letters 30B, 546 (1969) D. J. Gross and J. Wess, Phys. Rev. D 2, 753 (1970)
- G. Mack and A. Salam, Ann. Phys. (N.Y.) 53, 174 (1969) M. Gell-Mann, Hawaii Conference, 1969 (unpublished)
- C. Callan, S. Coleman, and R. Jackiw, M.I.T. report (unpublished). Sec. 5
- M. Gell-Mann, R. J. Oakes, and B. Renner, Phys. Rev. 175, 2195 (1969)
- M. Lévy, Nuovo Cimento 52A, 23 (1967)
- F. von Hippel and J. K. Kim, Phys. Rev. Letters 22, 740 (1969) Phys. Rev. D 1, 151 (1970)
- M. Gell-Mann, Hawaii Summer School Lectures, 1969, Caltech Report No. CALT-68-244 (unpublished) P. Carruthers, Caltech Report Nos. CALT-68-265 and CALT-68-266 (unpublished)
- L. S. Brown, Phys. Rev. 187, 2260 (1969)
Omitted endnote