Search for the glueball candidates f0(1500) and fJ(1710) in gamma gamma collisions

Details Search for the glueball candidates f0(1500) and fJ(1710) in gamma gamma collisions Search for the glueball candidates f0(1500) and fJ(1710) in gamma gamma collisions

1999-11-17

arxiv.org/abs/hep-ex/9911022v1

Phys.Lett.B472:189-199,2000

Physics

High Energy Physics

High Energy Physics - Experiment

10 pages, 3 figures

Scientific paper

10.1016/S0370-2693(99)01390-8

Data taken with the ALEPH detector at LEP1 have been used to search for gamma gamma production of the glueball candidates f0(1500) and fJ(1710) via their decay to pi+pi-. No signal is observed and upper limits to the product of gamma gamma width and pi+pi- branching ratio of the f0(1500) and the fJ(1710) have been measured to be Gamma_(gamma gamma -> f0(1500)). BR(f0(1500)->pi+pi-) < 0.31 keV and Gamma_(gamma gamma -> fJ(1710)). BR(fJ(1710)->pi+pi-) < 0.55 keV at 95% confidence level.

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