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Resonances in forward pi(+)pi(-) photoproduction on hydrogen
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SYSNO ASEP 0506048 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Resonances in forward pi(+)pi(-) photoproduction on hydrogen Author(s) Bibrzycki, L. (PL)
Bydžovský, Petr (UJF-V) RID, ORCID, SAI
Kaminski, R. (PL)
Szczepaniak, A. P. (US)Number of authors 4 Article number 02009 Source Title EPJ Web of Conferences, MESON 2018, 199. - Les Ulis : E D P Sciences, 2019 - ISSN 2100-014X Number of pages 4 s. Publication form Print - P Action 15th International Workshop on Meson Physics (MESON 2018) Event date 07.06.2018 - 12.06.2018 VEvent location Krakow Country PL - Poland Event type WRD Language eng - English Country FR - France Keywords photoproduction ; cross section ; baryon Subject RIV BE - Theoretical Physics OECD category Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect) Institutional support UJF-V - RVO:61389005 UT WOS 000471304400033 EID SCOPUS 85070492357 DOI 10.1051/epjconf/201919902009 Annotation We show that the cross section of the Delta(1230) production in the gamma p -> p pi(+)pi(-) reaction at forward angles and with unpolarized photons can be described in terms of gauge invariant one pion t-channel exchange amplitudes. Proper description of the polarized cross sections requires, however, the inclusion of contributions from the baryon exchanges. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2020
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