Evidence of the PHI(1020)--->ETA+PI0+GAMMA Decay

A.A.Korol; A.A.Salnikov; A.N.Skrinsky; A.P.Lysenko; A.V.Berdyugin; A.V.Bozhenok A.D.Bukin; D.A.Bukin; E.V.Pakhtusova; I.A.Gaponenko; M.N.Achasov

arxiv: hep-ex/9809010 · v1 · submitted 1998-09-12 · ✦ hep-ex

Evidence of the PHI(1020)--->ETA+PI0+GAMMA Decay

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

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S.I.Dolinski V.P.Druzhinin M.S.Dubrovin I.A.Gaponenko V.B.Golubev V.N.Ivanchenko P.M.Ivanov A.A.Korol S.V.Koshuba A.P.Lysenko E.V.Pakhtusova A.A.Salnikov S.I.Serednyakov V.V.Shary Yu.M.Shatunov V.A.Sidorov Z.K.Silagadze A.N.Skrinsky Yu.V.Usov

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keywords decaygammaphi---analysisbranchingcollidercorrespondingdata

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Signal of the rare radiative decay PHI--->ETA+PI0+GAMMA was observed in the SND experiment at VEPP-2M electron-positron collider.The result is based on the analysis of data, corresponding to a total integrated luminosity of 4 pb^{-1}, or 8x10^6 PHI mesons produced. The measured branching ratio of PHI--->ETA+PI0+GAMMA decay is equal to (0.83+-0.23)x10^{-4}.

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Evidence of the PHI(1020)--->ETA+PI0+GAMMA Decay

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