Complete analysis of baryon magnetic moments in the 1/Nc expansion

Richard Lebed; Daniel R. Martin

doi:10.1103/PhysRevD.70.016008

Complete analysis of baryon magnetic moments in the 1/N_c expansion

Richard Lebed, Daniel R. Martin

Physics

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

Abstract

We generate a complete basis of magnetic moment operators for the N _c = 3 ground-state baryons in the 1/N_c expansion, and compute and tabulate all associated matrix elements. We then compare to previous results derived in the literature and predict additional relations among baryon magnetic moments holding to subleading order in 1/N_c and flavor SU(3) breaking. Finally, we predict all unknown diagonal and transition magnetic moments to ≤0.15μ_N accuracy, and suggest possible experimental measurements to improve the analysis even further.

Original language	English (US)
Article number	016008
Pages (from-to)	016008-1-016008-16
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	70
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevD.70.016008
State	Published - Jul 2004

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.70.016008

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abstract = "We generate a complete basis of magnetic moment operators for the N c = 3 ground-state baryons in the 1/Nc expansion, and compute and tabulate all associated matrix elements. We then compare to previous results derived in the literature and predict additional relations among baryon magnetic moments holding to subleading order in 1/Nc and flavor SU(3) breaking. Finally, we predict all unknown diagonal and transition magnetic moments to ≤0.15μN accuracy, and suggest possible experimental measurements to improve the analysis even further.",

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AB - We generate a complete basis of magnetic moment operators for the N c = 3 ground-state baryons in the 1/Nc expansion, and compute and tabulate all associated matrix elements. We then compare to previous results derived in the literature and predict additional relations among baryon magnetic moments holding to subleading order in 1/Nc and flavor SU(3) breaking. Finally, we predict all unknown diagonal and transition magnetic moments to ≤0.15μN accuracy, and suggest possible experimental measurements to improve the analysis even further.

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Complete analysis of baryon magnetic moments in the 1/N_c expansion

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