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Precise strength of the π NN coupling constant

Identifieur interne : 002155 ( Istex/Checkpoint ); précédent : 002154; suivant : 002156

Precise strength of the π NN coupling constant

Auteurs : T. E. O. Ericson [Suède] ; B. Loiseau [France] ; J. Rahm [Suède] ; J. Blomgren [Suède] ; N. Olsson [Suède] ; A. W. Thomas [Australie]

Source :

RBID : ISTEX:620B2274B776CC94954D835B6EFC2B364CB856D0

English descriptors

Abstract

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).

Url:
DOI: 10.1016/S0375-9474(00)88577-2


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ISTEX:620B2274B776CC94954D835B6EFC2B364CB856D0

Le document en format XML

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