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The following value has been obtained: $\\Gamma(\\phi\\to e^+e^-) = 1.235\\pm 0.006\\pm 0.022$ keV.\n  The $\\phi(1020)$ meson parameters in four main decay channels have been also recalculated: $B(\\phi\\to K^+K^-) = 0.493\\pm 0.003\\pm 0.007$, $B(\\phi\\to K_LK_S) = 0.336\\pm 0.002\\pm 0.006$, $B(\\phi\\to\\pi^+\\pi^-\\pi^0) = 0.155\\pm 0.002\\pm 0.005$, $B(\\phi\\to\\eta"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1010.4878","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2010-10-23T13:34:55Z","cross_cats_sorted":[],"title_canon_sha256":"ad8f68c055b9f77dabe2b852dd4a222f389b85e5fa4ac453fce91904b4cce8ac","abstract_canon_sha256":"64ad989faa05394ab98e1fcbea986599391bc42d3a7fdc9361d9dcb0eb3d074a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:30:47.715345Z","signature_b64":"jEZR2qj/xicThgcf002x/ftoS4Bc9+mV1J2WzWHeFrHaV8Dkcut6LGnBFasjbHi0exU51ePyMG44i3HcK95aAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f12f68a68e97924af76a7bb1edf4170ed781f77d578e33f0fc7a10378f15b2c","last_reissued_at":"2026-05-18T04:30:47.714639Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:30:47.714639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement of $\\phi$(1020) meson leptonic width with CMD-2 detector at VEPP-2M Collider","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A.A.Grebenuk, A.A.Ruban, A.E.Bondar, A.L.Sibidanov, A.P.Lysenko, A.S.Kuzmin, A.S.Popov, A.V.Bragin, B.A.Shwartz, B.I.Khazin, D.A.Epifanov, D.N.Grigoriev, E.A.Perevedentsev, E.P.Solodov, F.V.Ignatov, G.V.Fedotovich, I.A.Koop, I.B.Logashenko, I.G.Snopkov, K.Yu.Mikhailov, L.M.Barkov, N.I.Gabyshev, N.M.Ryskulov, N.S.Bashtovoy, P.A.Lukin, P.P.Krokovny, R.R.Akhmetshin, S.E.Baru, S.I.Eidelman, S.I.Redin, S.V.Karpov, V.F.Kazanin, V.M.Aulchenko, V.Sh.Banzarov, V.S.Okhapkin, Yu.M.Shatunov, Yu.V.Yudin","submitted_at":"2010-10-23T13:34:55Z","abstract_excerpt":"The $\\phi$(1020) meson leptonic width has been determined from the combined analysis of 4 major decay modes of the resonance ($\\phi\\to K^+ K^-,K^0_LK^0_S,\\pi^+\\pi^-\\pi^0,\\eta\\gamma$) studied with the CMD-2 detector at the VEPP-2M $e^+e^-$ collider. 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