Precise strength of the πNN coupling constant
Date
1999
Authors
Ericson, T.
Loiseau, B.
Rahm, J.
Blomgren, J.
Olsson, N.
Thomas, A.
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Conference paper
Citation
Nuclear Physics A, 1999, vol.654, iss.1, Suppl.1, pp.939c-942c
Statement of Responsibility
T.E.O. Ericson, B. Loiseau, J. Rahm, J. Blomgren, N. Olsson, A.W. Thomas
Conference Name
Abstract
We report here a preliminary value for the πNN coupling constant deduced from the Goldberger-Miyazawa-Oehme sum rule for forward πN scattering. As in our previous determination from up backward differential scattering cross sections we give a critical discussion of the analysis with careful attention not only to the statistical, but also to the systematic uncertainties. Our preliminary evaluation gives gc2 = 13.99(24).
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© 1999 Elsevier Science B.V. All rights reserved.