Upper limit on the Ks ---> 3 pi0 decay

A.A.Korol; A.A.Salnikov; A.D.Bukin; A.V.Berdyugin; A.V.Bozhenok; D.A.Bukin; E.V.Pakhtusova; I.A.Gaponenko; I.A.Koop; I.N.Nesterenko

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Upper limit on the Ks ---> 3 pi0 decay

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arxiv hep-ex/9907004 v1 pith:YJH6SR22 submitted 1999-07-07 hep-ex

Upper limit on the Ks ---> 3 pi0 decay

M.N.Achasov , V.M.Aulchenko , A.V.Berdyugin , A.V.Bozhenok , A.D.Bukin , D.A.Bukin , S.V.Burdin , T.V.Dimova

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V.P.Druzhinin M.S.Dubrovin 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

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The search for CP-violating K_S\to3\pi^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\to3\pi^0) < 1.4\cdot10^{-5} at 90% confidence level.

Upper limit on the Ks ---> 3 pi0 decay

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