Spectroscopy in ep collisions at HERA
Dmitry Ozerov (for the H1, ZEUS Collaborations)
TL;DR
This paper reviews recent spectroscopy research in high-energy electron-proton collisions at HERA, including searches for exotic states like pentaquarks, the Theta+, Theta_c, and glueball candidates, highlighting new experimental findings.
Contribution
It reports new experimental results on exotic hadron searches at HERA, including evidence for the charmed pentaquark Theta_c and updates on other exotic states.
Findings
Evidence for the Theta_c pentaquark
Searches for glueball candidates
Status of strange pentaquark searches
Abstract
Recent spectroscopy studies performed in high energy ep collisions by the H1 and ZEUS Collaborations are described. The status of the searches for the strange pentaquark, the Theta+, is presented as well as results on searches for further exotic states such as the Sigma--. The evidence for the observation of a pentaquark state containing the charmed quark, the Theta_c, is discussed and the result is given on searches for glueball candidates at HERA.
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