The first dedicated search for the rare neutral-kaon decay KL0→π0νν̄ has been carried out in the E391a experiment at the KEK 12-GeV proton synchrotron. The final upper limit of 2.6×10 -8 at the 90% confidence level was set on the branching ratio for the decay.
|Journal||Physical Review D - Particles, Fields, Gravitation and Cosmology|
|Publication status||Published - 2010 Apr 29|
ASJC Scopus subject areas
- Nuclear and High Energy Physics