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Experimental study of the decay PHI(1020)--->ETA+GAMMA in multi-photon final state

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arxiv hep-ex/9809002 v1 pith:6NT4KCIT submitted 1998-09-02 hep-ex

Experimental study of the decay PHI(1020)--->ETA+GAMMA in multi-photon final state

M.N.Achasov , 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.Dolinsky V.P.Druzhinin M.S.Dubrovin I.A.Gaponenko V.B.Golubev V.N.Ivanchenko A.A.Korol S.V.Koshuba I.N.Nesterenko E.V.Pakhtusova A.A.Polunin E.E.Pyata A.A.Salnikov S.I.Serednyakov V.V.Shary Yu.M.Shatunov V.A.Sidorov Z.K.Silagadze Yu.S.Velikzhanin
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keywords gammadecaybranchingcolliderexperimentexperimentalfinalmeasured
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In the SND experiment at VEPP-2M e^+e^- collider the phi(1020) ---> eta+gamma ---> 3pi^0+gamma decay was studied. The branching ratio B(phi--->eta+gamma) = (1.246 +- 0.025 +- 0.057)% was measured.

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