Upper limit on the η→π0π0 decay
/ Authors
M. Achasov, A. Berdyugin, A. Bozhenok, D. Bukin, S. Burdin, T. Dimova, S. I. Dolinskii, V. Druzhinin, M.S.Dubrovin, I. Gaponenko
and 14 more authors
V. Golubev, V. Ivanchenko, A. Korol, S. Koshuba, I. Nesterenko, E. Pakhtusova, E. Perevedentsev, A. Salnikov, S. Serednyakov, V. Shary, Y. Shatunov, V. Sidorov, Z. Silagadze, Y. Velikzhanin
/ Abstract
Abstract Upper bound Br( η → π 0 π 0 ) −4 with 90% confidence is reported from the SND experiment at the VEPP-2M collider.
Journal: Physics Letters B