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Please use this identifier to cite or link to this item: https://repository.seku.ac.ke/handle/123456789/4290
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dc.contributor.authorAdlarson, P.
dc.contributor.authorAfzal, F.
dc.contributor.authorAhmed, Z.
dc.contributor.authorAkondi, C. S.
dc.contributor.authorAnnand, J. R. M.
dc.contributor.authorArends, H. J.
dc.contributor.authorBeck, R.
dc.contributor.authorBorisov, N.
dc.contributor.authorBraghieri, A.
dc.contributor.authorBriscoe, W. J.
dc.contributor.authorCividini, F.
dc.contributor.authorCollicott, C.
dc.contributor.authorCostanza, S.
dc.contributor.authorDenig, A.
dc.contributor.authorDownie, E. J.
dc.contributor.authorDieterle, M.
dc.contributor.authorFerretti Bondy, M. I.
dc.contributor.authorGardner, S.
dc.contributor.authorGarni, S.
dc.contributor.authorGlazier, D. I.
dc.contributor.authorGlowa, D.
dc.contributor.authorGradl, W.
dc.contributor.authorGurevich, G. .
dc.contributor.authorHamilton, D. J.
dc.contributor.authorHornidge, D.
dc.contributor.authorHuber, G. M.
dc.contributor.authorKäser, A.
dc.contributor.authorKashevarov, V. L.
dc.contributor.authorKay, S
dc.contributor.authorKeshelashvili, I.
dc.contributor.authorKondratiev, R.
dc.contributor.authorKorolija, M. .
dc.contributor.authorKrusche, B.
dc.contributor.authorLazarev, A
dc.contributor.authorLinturi, James M.
dc.contributor.authorLivingston, K.
dc.contributor.authorMacgregor, I. J.D.
dc.contributor.authorManley, D. M.
dc.contributor.authorMartel, P. P.
dc.contributor.authorMcGeorge, J. C.
dc.contributor.authorMiddleton, D. G.
dc.contributor.authorMiskimen, R.
dc.contributor.authorMushkarenkov, A.
dc.contributor.authorNeganov, A.
dc.contributor.authorNeiser, A.
dc.contributor.authorOberle, M.
dc.contributor.authorOstrick, M.
dc.contributor.authorOtt, P.
dc.contributor.authorOtte, P. B.
dc.contributor.authorOussena, B.
dc.contributor.authorPaudyal, D.
dc.contributor.authorPedroni, P.
dc.contributor.authorPolonski, A.
dc.contributor.authorPrakhov, S.
dc.contributor.authorRajabi, A.
dc.contributor.authorRon, G.
dc.contributor.authorRostomyan, T.
dc.contributor.authorSarty, A.
dc.contributor.authorSfienti, C.
dc.contributor.authorSokhoyan, V.
dc.contributor.authorSpieker, K.
dc.contributor.author
dc.contributor.authorSteffen, O.
dc.contributor.authorStrakovsky, I. I.
dc.contributor.authorStrub, T.
dc.contributor.authorSupek, I.
dc.contributor.authorThiel, A.
dc.contributor.authorThiel, M.
dc.contributor.authorTiator, L.
dc.contributor.authorThomas, A.
dc.contributor.authorUnverzagt, M.
dc.contributor.authorUsov, Y. A.
dc.contributor.authorWagner, S.
dc.contributor.authorWatts, D. P.
dc.contributor.authorWerthmüller, D.
dc.contributor.authorWettig, J.
dc.contributor.authorWitthauer, L.
dc.contributor.authorWolfes, M.
dc.contributor.authorWorkman, R. L.
dc.contributor.authorZana, L. A.
dc.date.accessioned2018-11-20T07:00:19Z
dc.date.available2018-11-20T07:00:19Z
dc.date.issued2018
dc.identifier.citationPhysical Review D, 98, 012001en_US
dc.identifier.issn2470-0010
dc.identifier.issn2470-0029
dc.identifier.urihttps://journals.aps.org/prd/pdf/10.1103/PhysRevD.98.012001
dc.identifier.urihttp://repository.seku.ac.ke/handle/123456789/4290
dc.descriptionDOI: 10.1103/PhysRevD.98.012001en_US
dc.description.abstractAn experimental study of the η0 → π0π0η → 6γ decay has been conducted with the best up-to-date statistical accuracy, by measuring η0 mesons produced in the γp → η0 p reaction with the A2 tagged-photon facility at the Mainz Microtron, MAMI. The results obtained for the standard parametrization of the η0 → π0π0η matrix element are consistent with the most recent results for η0 → ππη decays, but have smaller uncertainties. The available statistics and experimental resolution allowed, for the first time, an observation of a structure below the πþπ− mass threshold, the magnitude and sign of which, checked within the framework of the nonrelativistic effective-field theory, demonstrated good agreement with the cusp that was predicted based on the ππ scattering length combination, a0 − a2, extracted from K → 3π decaysen_US
dc.language.isoenen_US
dc.publisherAmerican Physical Societyen_US
dc.titleMeasurement of the decay η0 → π0π0η at MAMIen_US
dc.typeArticleen_US
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