Experimental study of the γp→π0ηp reaction with the A2 setup at the Mainz Microtron

Abstract

The data available from the A2 Collaboration at MAMI were analyzed to select the γp→π0ηp reaction on an event-by-event basis, which allows for partial-wave analyses of three-body final states to obtain more reliable results, compared to fits to measured distributions. These data provide the world's best statistical accuracy in the energy range from threshold to Eγ=1.45 GeV, allowing a finer energy binning in the measurement of all observables needed for understanding the reaction dynamics. The results obtained for the measured observables are compared to existing models, and the impact from the new data is checked by the fit with the revised Mainz model.

Metadata

Item Type:	Article
Authors/Creators:	Sokhoyan, V. Prakhov, S. Fix, A. Abt, S. Achenbach, P. Adlarson, P. Afzal, F. Aguar-Bartolomé, P. Ahmed, Z. Ahrens, J. Annand, J. R.M. Arends, H. J. Bantawa, K. Bashkanov, M. https://orcid.org/0000-0001-9822-9433 Beck, R. Biroth, M. Borisov, N. S. Braghieri, A. Briscoe, W. J. Cherepnya, S. Cividini, F. Collicott, C. Costanza, S. Denig, A. Dieterle, M. Downie, E. J. Drexler, P. Ferretti Bondy, M. I. Fil'Kov, L. V. Gardner, S. Garni, S. Glazier, D. I. Gorodnov, I. Gradl, W. Günther, M. Gurevich, G. M. Hamill, C. B. Heijkenskjöld, L. Hornidge, D. Huber, G. M. Käser, A. Kashevarov, V. L. Kay, S. Keshelashvili, I. Kondratiev, R. Korolija, M. Krusche, B. Lazarev, A. Watts, D. P. https://orcid.org/0000-0003-4758-9599 Werthmüller, Dominik https://orcid.org/0000-0001-6406-284X
Copyright, Publisher and Additional Information:	©2018 American Physical Society
Dates:	Published: 29 May 2018
Institution:	The University of York
Academic Units:	The University of York > Faculty of Sciences (York) > Biology (York) The University of York > Faculty of Sciences (York) > Physics (York)
Depositing User:	Pure (York)
Date Deposited:	17 Sep 2018 08:50
Last Modified:	16 Oct 2024 15:04
Published Version:	https://doi.org/10.1103/PhysRevC.97.055212
Status:	Published
Refereed:	Yes
Identification Number:	10.1103/PhysRevC.97.055212
Related URLs:	http://www.scopus.com/inward/record.url?...
Open Archives Initiative ID (OAI ID):	oai:eprints.whiterose.ac.uk:135767

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Experimental study of the γp→π0ηp reaction with the A2 setup at the Mainz Microtron

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