Measurement of the omega -> pi^0 e^+e^- and eta -> e^+e^-g Dalitz decays with the A2 setup at MAMI

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dc.contributor.author Adlarson, P.
dc.contributor.author Afzal, F.
dc.contributor.author Afzal, F.
dc.contributor.author Aguar-Bartolomé, P.
dc.contributor.author Ahmed, Z.
dc.contributor.author Annand, J. R.
dc.contributor.author Arends, H. J.
dc.contributor.author Bantawa, K.
dc.contributor.author Beck, R.
dc.contributor.author Berghäuser, H.
dc.contributor.author Biroth, M.
dc.contributor.author Borisov, N. S.
dc.contributor.author Braghieri, A.
dc.contributor.author Briscoe, W. J.
dc.contributor.author Cherepnya, S.
dc.contributor.author Cividini, F.
dc.contributor.author Collicott, C.
dc.contributor.author Costanza, S.
dc.contributor.author Danilkin, I. V.
dc.contributor.author Denig, A.
dc.contributor.author Dieterle, M.
dc.contributor.author Downie, E. J.
dc.contributor.author Drexler, P.
dc.contributor.author Ferretti Bondy, M. I.
dc.contributor.author Fil'kov, L. V.
dc.contributor.author Fil'kov, L. V.
dc.contributor.author Gardner, S.
dc.contributor.author Garni, S.
dc.contributor.author Glazier, D. I.
dc.contributor.author Glowa, D.
dc.contributor.author Gradl, W.
dc.contributor.author Gurevich, G. M.
dc.contributor.author Hamilton, D. J.
dc.contributor.author Hornidge, D.
dc.contributor.author Huber, G. M.
dc.contributor.author Jude, T. C.
dc.contributor.author Käser, A.
dc.contributor.author Kashevarov, V. L.
dc.contributor.author Kay, S.
dc.contributor.author Keshelashvili, I.
dc.contributor.author Kondratiev, R.
dc.contributor.author Korolija, M.
dc.contributor.author Krusche, B.
dc.contributor.author Lazarev,, A.
dc.contributor.author Linturi, James M.
dc.contributor.author Lisin, V.
dc.contributor.author Livingston, K.
dc.contributor.author MacGregor, I. J.
dc.contributor.author Macrae, R.
dc.contributor.author Manley, D. M.
dc.contributor.author Martel, P. P.
dc.contributor.author McGeorge, J. C.
dc.contributor.author McNicoll, E. F.
dc.contributor.author Metag, V.
dc.contributor.author Middleton, D. G.
dc.contributor.author Miskimen, R.
dc.contributor.author Mornacchi, E.
dc.contributor.author Mullen, C.
dc.contributor.author Mushkarenkov, A.
dc.contributor.author Neganov, A.
dc.contributor.author Neiser, A.
dc.contributor.author Nikolaev, A.
dc.contributor.author Oberle, M.
dc.contributor.author Ostrick, M.
dc.contributor.author Ott, P.
dc.contributor.author Otte, P. B.
dc.contributor.author Paudyal, D.
dc.contributor.author Pedroni, P.
dc.contributor.author Polonski, A.
dc.contributor.author Prakhov, S.
dc.contributor.author Rajabi, A.
dc.contributor.author Robinson, J.
dc.contributor.author Ron, G.
dc.contributor.author Rosner, G.
dc.contributor.author Rostomyan, T.
dc.contributor.author Sfienti, C.
dc.contributor.author Sikora, M. H.
dc.contributor.author Sokhoyan, V.
dc.contributor.author Spieker, K.
dc.contributor.author Steffen, O.
dc.contributor.author Strakovsky, I. I.
dc.contributor.author Strandberg, B.
dc.contributor.author Strub, Th.
dc.contributor.author Supek, I.
dc.contributor.author Thiel, A.
dc.contributor.author Thiel, M.
dc.contributor.author
dc.contributor.author Thomas, A.
dc.contributor.author Unverzagt, M.
dc.contributor.author Usov, Yu. A.
dc.contributor.author Wagner, S.
dc.contributor.author Walford, N.
dc.contributor.author Watts, D. P.
dc.contributor.author Werthmüller, D.
dc.contributor.author Wettig, J.
dc.contributor.author Witthauer, L.
dc.contributor.author Wolfes, M.
dc.contributor.author Zana, L. A.
dc.date.accessioned 2018-03-13T08:18:22Z
dc.date.available 2018-03-13T08:18:22Z
dc.date.issued 2017
dc.identifier.citation Phys. Rev. C 95, 035208 (2017) en_US
dc.identifier.uri https://arxiv.org/pdf/1609.04503.pdf
dc.identifier.uri http://repository.seku.ac.ke/handle/123456789/3877
dc.description DOI: 10.1103/PhysRevC.95.035208 en_US
dc.description.abstract The Dalitz decays η→e+e−γ and ω→π0e+e− have been measured in the γp→ηp and γp→ωp reactions, respectively, with the A2 tagged-photon facility at the Mainz Microtron. The value obtained for the slope parameter of the electromagnetic transition form factor of η, Λη−2=(1.97±0.11tot)GeV−2, is in good agreement with previous measurements of the η→e+e−γ and η→μ+μ−γ decays. The uncertainty obtained in the value of Λη−2 is lower than in previous results based on the η→e+e−γ decay. The value obtained for the ω slope parameter, Λωπ0−2=(1.99±0.21tot)GeV−2, is somewhat lower than previous measurements based on ω→π0μ+μ−, but the results for the ω transition form factor are in better agreement with theoretical calculations, compared to earlier experiments. en_US
dc.language.iso en en_US
dc.subject High Energy Physics - Experiment (hep-ex) en_US
dc.subject Nuclear Experiment (nucl-ex) en_US
dc.title Measurement of the omega -> pi^0 e^+e^- and eta -> e^+e^-g Dalitz decays with the A2 setup at MAMI en_US
dc.type Article en_US


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