Upper limit on the Ks --->3 pi0 decay
/ Authors
M.N.Achasov, V.M.Aulchenko, A.V.Berdyugin, A.V.Bozhenok, A.D.Bukin, D.A.Bukin, S.V.Burdin, T.V.Dimova, V.P.Druzhinin, M.S.Dubrovin
and 15 more authors
I.A.Gaponenko, V.B.Golubev, V.N.Ivanchenko, I.A.Koop, A.A.Korol, S.V.Koshuba, I.N.Nesterenko, E.V.Pakhtusova, A.A.Salnikov, S.I.Serednyakov, V.V.Shary, Yu.M.Shatunov, V.A.Sidorov, Z.K.Silagadze, Yu.V.Usov
/ Abstract
The search for CP-violating K S → 3 π 0 decay was performed with SND detector at VEPP-2M e + e − collider. The total amount of data corresponding to 7 million produced K S mesons was analyzed. No candidate events were found, giving an upper limit of the decay branching ratio: Br ( K S → 3 π 0 ) < 1 . 4 · 10 − 5 at 90% confidence level.