dc.contributor.author |
Adlarson, P. |
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dc.contributor.author |
Afzal, F. |
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dc.contributor.author |
Aguar-Bartolomé, P. |
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dc.contributor.author |
Ahmed, Z. |
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dc.contributor.author |
Annand, J. R. |
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dc.contributor.author |
Arends, H. J. |
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dc.contributor.author |
Bantawa, K. |
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dc.contributor.author |
Beck, R. |
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dc.contributor.author |
Berghäuser, H. |
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dc.contributor.author |
Biroth, M. |
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dc.contributor.author |
Borisov, N. S. |
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dc.contributor.author |
Braghieri, A. |
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dc.contributor.author |
Briscoe, W. J. |
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dc.contributor.author |
Cherepnya, S. |
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dc.contributor.author |
Cividini, F. |
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dc.contributor.author |
Collicott, C. |
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dc.contributor.author |
Costanza, S. |
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dc.contributor.author |
I. V. Danilkin, |
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dc.contributor.author |
Danilkin, I. V. |
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dc.contributor.author |
Denig, A. |
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dc.contributor.author |
Dieterle, M. |
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dc.contributor.author |
Downie, E. J. |
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dc.contributor.author |
Drexler, P. |
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dc.contributor.author |
Ferretti Bondy, M. I. |
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dc.contributor.author |
Fil'kov, L. V. |
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dc.contributor.author |
Gardner, S. |
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dc.contributor.author |
Garni, S. |
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dc.contributor.author |
Glazier, D. I. |
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dc.contributor.author |
Glowa, D. |
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dc.contributor.author |
Gradl, W. |
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dc.contributor.author |
Gurevich, G. M. |
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dc.contributor.author |
Hamilton, D. J. |
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dc.contributor.author |
Hornidge, D. |
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dc.contributor.author |
Huber, G. M. |
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dc.contributor.author |
Jude, T. C. |
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dc.contributor.author |
Käser, A. |
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dc.contributor.author |
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dc.contributor.author |
Kashevarov, V. L. |
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dc.contributor.author |
Kay, S. |
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dc.contributor.author |
Keshelashvili, I. |
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dc.contributor.author |
Kondratiev, R. |
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dc.contributor.author |
Korolija, M. |
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dc.contributor.author |
Krusche, B. |
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dc.contributor.author |
Lazarev, A. |
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dc.contributor.author |
Linturi, James M. |
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dc.contributor.author |
Lisin, V. |
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dc.contributor.author |
Livingston, K. |
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dc.contributor.author |
MacGregor, I. J. |
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dc.contributor.author |
Macrae, R. |
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dc.contributor.author |
Manley, D. M. |
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dc.contributor.author |
Martel, P. P. |
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dc.contributor.author |
McGeorge, J. C. |
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dc.contributor.author |
McNicoll, E. F. |
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dc.contributor.author |
Metag, V. |
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dc.contributor.author |
Middleton, D. G. |
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dc.contributor.author |
Miskimen, R. |
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dc.contributor.author |
Mornacchi, E. |
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dc.contributor.author |
Mullen, C. |
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dc.contributor.author |
Mushkarenkov, A. |
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dc.date.accessioned |
2018-03-13T08:12:24Z |
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dc.date.available |
2018-03-13T08:12:24Z |
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dc.date.issued |
2017 |
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dc.identifier.citation |
Phys.Rev. C95 (2017) no.3, 035208 (2017) |
en_US |
dc.identifier.uri |
https://arxiv.org/pdf/1609.04503.pdf |
|
dc.identifier.uri |
http://repository.seku.ac.ke/handle/123456789/3876 |
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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 ω→π0e+e− and η→e+e−γ Dalitz decays with the A2 setup at MAMI |
en_US |
dc.type |
Article |
en_US |