We report on results of an experimental search for the KL → π+π- e+e- decay mode. We have found no evidence for the decay and obtained a 90% confidence level upper limit of 4.6 × 10-7 for its branching ratio.
|Number of pages||5|
|Journal||Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics|
|Publication status||Published - Sep 11 1997|
ASJC Scopus subject areas
- Nuclear and High Energy Physics