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VOLUME 68 (1998) | ISSUE 7 | PAGE 549
Experimental study of the decay φ→ηγ in multi-photon final state
PACS: 12.39.Mk, 13.40.Hq, 14.40.Cs
In the SND experiment at VEPP-2M e+e~ collider the 0(1020) -> r/7 -> 3π°7 decay was studied. The branching ratio Β(φ -> ηη) — (1.246 ± 0.025 ± 0.057) % was measured.