Aspects of baryon spectroscopy at ELSA
Physikalisches Institut, Rheinische Friedrich-Wilhelms-Universität, Bonn, Germany
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Published online: 1 February 2019
A renaissance in hadron specroscopy in both meson and baryon sectors was triggered by the discovery of the enigmatic X, Y, Z states. Meanwhile, the discussion on unconventional quark-gluon compositions to understand their internal structure expanded to baryonic states in the charm sector, i.e. the pentaquark candidates observed at LHCb. Old problems and recent findings in the strange sector may suggest similar structures to exist there as well. In this light recent results and the ongoing new BGO-OD experiment at ELSA are discussed.
© The Authors, published by EDP Sciences, 2019
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