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Hadron Spectroscopy without Constituent Glue
Eberhard Klempt
Glueballs and hybrids are predicted to exist but searches for them have failed to provide conclusive evidence. One--gluon exchange is not an important part of strong interactions i…
The Glueball Candidate η(1440) as ηRadial Excitation
Eberhard Klempt
The Particle Data Group decided to split the into two states, called and . The and the are supposed to be the radial excitations of the and…
Neutral pion photoproduction off protons in the energy range 0.3 GeV < E(gamma) < 3 GeV
Olivia Bartholomy, Volker Crede, Harald van Pee
Single pi0 photoproduction has been studied with the CB-ELSA experiment at Bonn using tagged photon energies between 0.3 and 3.0 GeV. The experimental setup covers a very large sol…
Glueballs, Hybrids, Pentaquarks : Introduction to Hadron Spectroscopy and Review of Selected Topics
Eberhard Klempt
Hadron spectroscopy has received revitalised interest due to the discovery of states with unexpected properties. Discussed are the recent findings at BABAR, CLEO, BELLE and BES. A…