Test of Chiral Perturbation Theory in ka
β
C. Lazzeroni
π
Article
π
2009
π
Elsevier Science
π
English
β 316 KB
This paper presents results obtained by the CERN experiment NA48/2. Sample of 7146 K Β± β Ο Β± e + e - decays, of 1164 K Β± β Ο Β± Ξ³Ξ³ events and of 120 K Β± β Ο Β± Ξ³e + e -events have been collected with small background contamination. Branching ratio and form factors for three different models have been