Hyperon radiative decays in the 1/Nc expansion

Richard Lebed; Daniel R. Martin

doi:10.1103/PhysRevD.70.057901

Hyperon radiative decays in the 1/N_c expansion

Richard Lebed, Daniel R. Martin

Physics

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

5 Scopus citations

Abstract

Using a recent calculation of transition magnetic moments in the 1/N _c expansion and a calculation showing the suppression of E2/M1 by powers of N_c, we compute the widths for the radiative decays Σ* → Σγ, Σ* → Λγ, and Ξ* → Ξγ.

Original language	English (US)
Article number	057901
Pages (from-to)	057901-1-057901-2
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	70
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevD.70.057901
State	Published - Sep 2004

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.70.057901

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title = "Hyperon radiative decays in the 1/Nc expansion",

abstract = "Using a recent calculation of transition magnetic moments in the 1/N c expansion and a calculation showing the suppression of E2/M1 by powers of Nc, we compute the widths for the radiative decays Σ* → Σγ, Σ* → Λγ, and Ξ* → Ξγ.",

author = "Richard Lebed and Martin, {Daniel R.}",

note = "Funding Information: We thank Simon Taylor for discussions regarding previous width calculations. This work was supported in part by the National Science Foundation under Grant No. PHY-0140362.",

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AB - Using a recent calculation of transition magnetic moments in the 1/N c expansion and a calculation showing the suppression of E2/M1 by powers of Nc, we compute the widths for the radiative decays Σ* → Σγ, Σ* → Λγ, and Ξ* → Ξγ.

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Hyperon radiative decays in the 1/N_c expansion

Abstract

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