Bochum 2018 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 16: Hadron Structure and Spectroscopy III
HK 16.2: Vortrag
Dienstag, 27. Februar 2018, 14:30–14:45, HZO 50
Search for the Y(2175) in Photo-Production at GlueX — •Abdennacer Hamdi1,2, Klaus Götzen1,2, Frank Nerling1,2, and Klaus Peters1 for the GlueX collaboration — 1GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany. — 2Goethe University Frankfurt
A long-standing goal of hadron physics has been to understand how the quark and the gluonic degrees of freedom that are present in the fundamental Quantum Chromodynamics Lagrangian manifest themselves in the spectrum of hadrons. Of particular interest is how the gluonic excitations give rise to exotic states. One class of such states are hybrid meson, theses states are predicted by phenomenological models and Lattice Quantum Chromodynamics calculations. A candidate for hybrid mesons is the Y(2175), as observed in electron-positron experiments.
We present the status and plans to search for this hybrid state in photo-production at the GlueX experiment in Jefferson Lab’s Hall D, which had its first full production run in spring of 2017.
This work is supported by HGS-HIREe.