dc.contributor.author |
Adlarson, P. |
|
dc.contributor.author |
Afzal, F. |
|
dc.contributor.author |
Aguar-Bartolome, P. |
|
dc.contributor.author |
Ahmed, Z. |
|
dc.contributor.author |
Annand, J. R. M. |
|
dc.contributor.author |
Arends, H. J. |
|
dc.contributor.author |
Bantawa, K. |
|
dc.contributor.author |
Beck, R. |
|
dc.date.accessioned |
2018-02-08T09:27:36Z |
|
dc.date.available |
2018-02-08T09:27:36Z |
|
dc.date.issued |
2017-03-22 |
|
dc.identifier.citation |
Physical Review C , 95, 035208 |
en_US |
dc.identifier.issn |
2469-9985 |
|
dc.identifier.uri |
http://edoc.unibas.ch/58462/1/PhysRevC.95.035208.pdf |
|
dc.identifier.uri |
http://repository.seku.ac.ke/handle/123456789/3837 |
|
dc.description |
DOI:https://doi.org/10.1103/PhysRevC.95.035208 |
en_US |
dc.description.abstract |
The Dalitz decays η → e+e−γ andω → 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, −2
η = (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 −2
η
is lower than in previous results based on the η → e+e−γ decay. The value obtained for the ω slope parameter,
−2
ωπ0 = (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.publisher |
American Physical Society |
en_US |
dc.title |
Measurement of the ω → π 0 e + e − and η → e + e − γ Dalitz decays with the A2 setup at the Mainz Microtron |
en_US |
dc.type |
Article |
en_US |