Glueballs: A central mystery

Details Glueballs: A central mystery Glueballs: A central mystery

2000-06-26

arxiv.org/abs/hep-ph/0006288v1

Acta Phys.Polon. B31 (2000) 2557-2565

Physics

High Energy Physics

High Energy Physics - Phenomenology

Invited talks at Meson2000 and DIS2000. 13 pages, Latex, 4 Figures

Scientific paper

Glueball candidates and qqbar mesons have been found to be produced with different momentum and angular dependences in the central region of pp collisions. This talk illustrates this phenomenon and explains the phi and t dependences of mesons with JPC = 0++,0-+, 1++, 2++ and 2-+. For production of 0++ and 2++ mesons the analysis reveals a systematic behaviour in the data that appears to distinguish between qqbar and non-qqbar or glueball candidates. An explanation is given for the absence of 0-+ glueball candidates in central production at present energies and the opportunity for their discovery at RHIC is noted.

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