The BGOOD experiment at ELSA, exotic structures in the light quark sector?

Thomas Jude; Alessandro Braghieri; Philip Cole; Daniel Eisner; Rachele Di Salvo; Alessia Fantini; Antonio Joao Clara Figueiredo; Oliver Freyermuth; Frank Fromberger; Francesco Ghio; Johannes Groß; Katrin Kohl; Paolo Levi Sandri; Guiseppe Mandaglio; Paolo Pedroni; Mariia Romaniuk; Georg Scheluchin; Hartmut Schmieden; Adrian Sonnenschein

doi:10.1051/epjconf/202429101004

All issues

Volume 291 (2024)

EPJ Web Conf., 291 (2024) 01004

Abstract

Open Access

Issue		EPJ Web Conf. Volume 291, 2024 MESON 2023 – 17^th International Workshop on Meson Physics


Article Number		01004
Number of page(s)		7
Section		Plenary
DOI		https://doi.org/10.1051/epjconf/202429101004
Published online		16 February 2024

EPJ Web of Conferences 291, 01004 (2024)
https://doi.org/10.1051/epjconf/202429101004

The BGOOD experiment at ELSA, exotic structures in the light quark sector?

Thomas Jude¹^*, Alessandro Braghieri², Philip Cole³, Daniel Eisner¹, Rachele Di Salvo⁴, Alessia Fantini⁴^,5, Antonio Joao Clara Figueiredo¹, Oliver Freyermuth¹, Frank Fromberger¹, Francesco Ghio⁶^,7, Johannes Groß¹, Katrin Kohl¹, Paolo Levi Sandri⁸, Guiseppe Mandaglio⁹^,10, Paolo Pedroni², Mariia Romaniuk¹¹, Georg Scheluchin¹, Hartmut Schmieden¹ and Adrian Sonnenschein¹

¹ Rheinische Friedrich-Wilhelms-Universität Bonn, Physikalisches Institut Bonn, Germany.
² INFN sezione di Pavia, Pavia, Italy.
³ Lamar University, Department of Physics, Beaumont, Texas, USA.
⁴ Università di Roma “Tor Vergata”, Dipartimento di Fisica, Rome, Italy.
⁵ INFN Roma “Tor Vergata”, Rome, Italy.
⁶ INFN sezione di Roma La Sapienza, Rome, Italy.
⁷ Istituto Superiore di Sanità, Rome, Italy.
⁸ INFN - Laboratori Nazionali di Frascati, Frascati, Italy.
⁹ INFN sezione Catania, Catania, Italy.
¹⁰ Università degli Studi di Messina, Dipartimento MIFT, Messina, Italy.
¹¹ Institute for Nuclear Research of NASU, Kyiv, Ukraine.

^* e-mail: jude@physik.uni-bonn.de

Published online: 16 February 2024

Abstract

The BGOOD photoproduction experiment accesses forward meson angles and low momentum exchange kinematics in the uds sector, which may be sensitive to molecular-like hadron structure. Recent results are presented, including strangeness photoproduction at forward meson angles, and π⁰π⁰ co herent photoproduction off the deuteron.

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