A search for the decay Ks → π0e+e- has been made using the NA48 detector at the CERN SPS. Using data collected in 1999 during a 40-hour run with a high-intensity Ks beam, an upper limit for the branching fraction B(Ks → π0e+e-) < 1.4 × 10-7 at 90% confidence level has been obtained.
|Original language||English (US)|
|Number of pages||10|
|Journal||Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics|
|State||Published - 2001|
ASJC Scopus subject areas
- Nuclear and High Energy Physics