Upper limit on the eta -> pi^0 pi^0 decay
arXiv:hep-ex/9803008 · doi:10.1016/S0370-2693(98)00266-4
Abstract
Upper bound 6*10^{-4} with 90% confidence is reported for the eta -> pi^0 pi^0 decay from the SND experiment at the VEPP-2M collider.
6 pages, LaTex, 1 figure. To appear in Phys. Lett. B