Neutron background in the atmospheric neutrino sample was studied based on the vertex position distribution of the fully contained π0 events. No evidence for the background contamination was observed. The neutron contamination in the sub-GeV e-like sample was less than 1.2% at 90% C.L.
|Number of pages||5|
|Journal||Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics|
|Publication status||Published - 1996 Nov 14|
ASJC Scopus subject areas
- Nuclear and High Energy Physics