Wilson, S. L. ; Pasupathy, J. ; Chiu, C. B. (1987) Gluon-field contribution in QCD sum rules for the magnetic moments of the nucleons Physical Review D - Particles, Fields, Gravitation and Cosmology, 36 (5). pp. 1451-1458. ISSN 1550-7998
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Official URL: http://prd.aps.org/abstract/PRD/v36/i5/p1451_1
Related URL: http://dx.doi.org/10.1103/PhysRevD.36.1451
Abstract
The Wilson coefficient corresponding to the gluon-field strength Gμ ν Gμ ν is evaluated for the nucleon current correlation function in the presence of a static external electromagnetic field, using a regulator mass Λ to separate the high-momentum part of the Feynman diagrams. The magnetic-moment sum rules are analyzed by two different methods and the sensitivity of the results to variations in Λ are discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 58068 |
| Deposited On: | 31 Aug 2011 12:38 |
| Last Modified: | 31 Aug 2011 12:38 |
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