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