A search for non-qqbar mesons at the CERN Omega Spectrometer

Details A search for non-qqbar mesons at the CERN Omega Spectrometer A search for non-qqbar mesons at the CERN Omega Spectrometer

1998-03-24

arxiv.org/abs/hep-ex/9803024v1

Phys.Atom.Nucl. 62 (1999) 398-404; Yad.Fiz. 62 (1999) 439-445

Physics

High Energy Physics

High Energy Physics - Experiment

14 pages, Latex, 6 Figures, contribution to a special edition of Yadernaya Fizika dedicated to the memory of Yuri Prokoshkin

Scientific paper

The non-Abelian nature of QCD suggests that particles that have a gluon constituent, such as glueballs or hybrids, should exist. Experiments WA76, WA91 and WA102 have performed a dedicated search for these states in central production using the CERN Omega Spectrometer. Several non-qqbar candidates have been observed. This paper presents a study of central meson production as a function of the difference in transverse momentum (dPT) of the exchanged particles which shows that undisputed qqbar mesons are suppressed at small dPT whereas the glueball candidates are enhanced.

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