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Recent results from NA48/2 on $K_{e4}$ decays and interpretation in terms of $\pi\pi$ scattering lengths

Preliminary results from a new measurement of the $K_{e4}$ decay $K^{\pm} \rightarrow \pi^{+}\pi^{−}e^{\pm}\nu$ by the Na48/2 collaboration at the CERN SPS are reported. An unprecedented sample of more than 670000 $K_{e4}$ decays in both charged modes have been collected in 2003. The form factors of...

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Detalles Bibliográficos
Autor principal:	Bloch-Devaux , B
Lenguaje:	eng
Publicado:	2007
Materias:	Particle Physics
Acceso en línea:	http://cds.cern.ch/record/1117253

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