## Experimental study of the decay $K_L^0\to\pi^0\nu\bar{\nu}$

### Abstract

The first dedicated search for the rare neutral-kaon decay $K_L^0\to\pi^0\nu\bar{\nu}$ has been carried out in the E391a experiment at the KEK 12-GeV proton synchrotron. The final upper limit of 2.6 $\times 10^{-8}$ at the 90% confidence level was set on the branching ratio for the decay.Comment: 23 pages, 27 figures, accepted for publication as a regular article in Physical Review

Topics: High Energy Physics - Experiment
Publisher: 'American Physical Society (APS)'
Year: 2010
DOI identifier: 10.1103/PhysRevD.81.072004
OAI identifier: oai:arXiv.org:0911.4789

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