Linear symmetric quark theories of baryon magnetic moments

Yossef Dothan

doi:10.1103/PhysRevD.27.2139

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Linear symmetric quark theories of baryon magnetic moments

Yossef Dothan^*

School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455 and Department of Physics and Astronomy, Tel Aviv University, Tel Aviv, 69978, Israel

^*Present address.

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Phys. Rev. D 27, 2139 – Published 1 May, 1983

DOI: https://doi.org/10.1103/PhysRevD.27.2139

Abstract

A phenomenological and theoretical analysis of the baryon magnetic moments leads to a definition of the class of linear symmetric quark theories for the baryon moments. In this class of theories there are members that can reproduce the experimental results fairly well. However, it seems that despite SU(3) breaking the average of the light-quark magnetic moments $\frac{1}{3} (μ_{u} + μ_{d} + μ_{s})$ is unexpectedly small. A possible explanation is an anomalous moment for the quarks.

References (10)

P. T. Cox et al., Phys. Rev. Lett. 46, 877 (1981) R. Handler et al., in High Energy Physics—1980, proceedings of the XXth International Conference, Madison, Wisconsin, edited by L. Durand and L. G. Pondrom (AIP, New York, 1981), p. 539 Particle Data Group, Rev. Mod. Phys. 52, S20 (1980) F. Dydak et al., Nucl. Phys. B118, 1 (1977) Coleman and Glashow, [3]
R. E. Marshak, S. Okubo, and E. C. G. Sudarshan, Phys. Rev. 106, 599 (1957)
S. Coleman and S. L. Glashow, Phys. Rev. Lett. 6, 423 (1961)
S. Okubo, Prog. Theor. Phys. 27, 949 (1962)
M. A. B. Bég, B. W. Lee, and A. Pais, Phys. Rev. Lett. 13, 514 (1964)
D. B. Lichtenberg, Z. Phys. C 7, 143 (1981)
J. Franklin, Phys. Rev. 172, 1807 (1968)
D. A. Geffen and W. Wilson, Phys. Rev. Lett. 44, 370 (1980) University of Minnesota report (unpublished) [7] H. J. Lipkin, Phys. Lett. 35B, 534 (1971)
Yukio Tomozawa, Phys. Rev. D 19, 1626 (1979)
A. De Rújula, H. Georgi, and S. L. Glashow, Phys. Rev. D 12, 147 (1975)

[c1] P. T. Cox et al., Phys. Rev. Lett. 46, 877 (1981) R. Handler et al., in High Energy Physics—1980, proceedings of the XXth International Conference, Madison, Wisconsin, edited by L. Durand and L. G. Pondrom (AIP, New York, 1981), p. 539 Particle Data Group, Rev. Mod. Phys. 52, S20 (1980) F. Dydak et al., Nucl. Phys. B118, 1 (1977) Coleman and Glashow, [3]

[c2] R. E. Marshak, S. Okubo, and E. C. G. Sudarshan, Phys. Rev. 106, 599 (1957)

[c3] S. Coleman and S. L. Glashow, Phys. Rev. Lett. 6, 423 (1961)

[c4] S. Okubo, Prog. Theor. Phys. 27, 949 (1962)

[c5] M. A. B. Bég, B. W. Lee, and A. Pais, Phys. Rev. Lett. 13, 514 (1964)

[c6] D. B. Lichtenberg, Z. Phys. C 7, 143 (1981)

[c7] J. Franklin, Phys. Rev. 172, 1807 (1968)

[c8] D. A. Geffen and W. Wilson, Phys. Rev. Lett. 44, 370 (1980) University of Minnesota report (unpublished) [7] H. J. Lipkin, Phys. Lett. 35B, 534 (1971)

[c9] Yukio Tomozawa, Phys. Rev. D 19, 1626 (1979)

[c10] A. De Rújula, H. Georgi, and S. L. Glashow, Phys. Rev. D 12, 147 (1975)

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Linear symmetric quark theories of baryon magnetic moments

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