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Measurement of the π0→e+e−γ Dalitz decay at the Mainz Microtron

Adlarson, P. and Afzal, F. and Aguar-Bartolome, P. and Ahmed, Z. and Akondi, C. S. and Annand, J. R. M. and Arends, H. J. and Bantawa, K. and Beck, R. and Berghaeuser, H. and Biroth, M. and Borisov, N. S. and Braghieri, A. and Briscoe, W. J. and Cherepnya, S. and Cividini, F. and Collicott, C. and Costanza, S. and Denig, A. and Dieterle, M. and Downie, E. J. and Drexler, P. and Bondy, M. I. Ferretti and Fil`kov, L. V. and Gardner, S. and Garni, S. and Glazier, D. I. and Glowa, D. and Gradl, W. and Gurevich, G. M. and Hamilton, D. J. and Hornidge, D. and Huber, G. M. and Jude, T. C. and Kaeser, A. and Kashevarov, V. L. and Kay, S. and Keshelashvili, I. and Kondratiev, R. and Korolija, M. and Krusche, B. and Kulikov, V. V. and Lazarev, A. and Linturi, J. and Lisin, V. and Livingston, K. and MacGregor, I. J. D. and Macrae, R. and Manley, D. M. and Martel, P. P. and Martemianov, M. and McGeorge, J. C. and McNicoll, E. F. and Metag, V. and Middleton, D. G. and Miskimen, R. and Mornacchi, E. and Mullen, C. and Mushkarenkov, A. and Neganov, A. and Neiser, A. and Nikolaev, A. and Oberle, M. and Ostrick, M. and Ott, P. and Otte, P. B. and Paudyal, D. and Pedroni, P. and Polonski, A. and Prakhov, S. and Rajabi, A. and Robinson, J. and Ron, G. and Rosner, G. and Rostomyan, T. and Sfienti, C. and Sikora, M. H. and Sokhoyan, V. and Spieker, K. and Steffen, O. and Strakovsky, I. I. and Strandberg, B. and Strub, Th. and Supek, I. and Thiel, A. and Thiel, M. and Thomas, A. and Unverzagt, M. and Usov, Yu. A. and Wagner, S. and Walford, N. and Watts, D. P. and Werthmueller, D. and Wettig, J. and Witthauer, L. and Wolfes, M. and Zana, L. A.. (2017) Measurement of the π0→e+e−γ Dalitz decay at the Mainz Microtron. Physical Review C, 95 (2). 025202.

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Abstract

The Dalitz decay π0→e+e−γ has been measured in the γp→π0p reaction with the A2 tagged-photon facility at the Mainz Microtron, MAMI. The value obtained for the slope parameter of the π0 electromagnetic transition form factor, aπ=0.030±0.010tot, is in agreement with existing measurements of this decay and with recent theoretical calculations. The uncertainty obtained in the value of aπ is lower than in previous results based on the π0→e+e−γ decay.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Hadronenphysik (Krusche)
UniBasel Contributors:Krusche, Bernd
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Physical Society
ISSN:2469-9985
e-ISSN:2469-9993
Note:Publication type according to Uni Basel Research Database: Journal article
Language:English
Identification Number:
Last Modified:15 Jan 2018 14:28
Deposited On:15 Jan 2018 14:28

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