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Article Dans Une Revue Nuclear Physics B Proceedings Supplements Année : 2009

Robustness of the dispersive representation of Kpi form factors

Micaela Oertel

Résumé

Some time ago a dispersive representation of the scalar Kpi form factor has been proposed. It does not only allow to limit the number of free parameters in the analysis of the experimental K decay data on physically motivated ground, but the main interest is that it allows via the Callan-Treiman low-energy theorem to test the standard model precisely. This asks for a detailed study of the uncertainties of the dispersive representation which will be presented here. In addition, a dispesive representation of the vector form factor together with its uncertainties will be discussed.

Dates et versions

hal-03732253 , version 1 (21-07-2022)

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Micaela Oertel. Robustness of the dispersive representation of Kpi form factors. Nuclear Physics B Proceedings Supplements, 2009, 186, pp.330-333. ⟨10.1016/j.nuclphysbps.2008.12.074⟩. ⟨hal-03732253⟩
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