A Dispersive Treatment of Kℓ4 Decays

Kℓ4 are for several reasons an especially interesting decay channel of K mesons: Kℓ4 decays allow an accurate measurement of a combination of S-wave ππ scattering lengths, one form factor of the decay is connected to the chiral anomaly and the decay is the best source for the determination of some l...

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Bibliographic Details
Main Authors: Stoffer Peter, Passemar Emilie, Colangelo Gilberto
Format: Article
Language:English
Published: EDP Sciences 2012-12-01
Series:EPJ Web of Conferences
Online Access:http://dx.doi.org/10.1051/epjconf/20123705006