Search for eta_b in two-photon collisions at LEP II with the DELPHI detector

Details Search for eta_b in two-photon collisions at LEP II with the DELPHI detector Search for eta_b in two-photon collisions at LEP II with the DELPHI detector

2006-01-25

arxiv.org/abs/hep-ex/0601042v1

Phys.Lett.B634:340-346,2006

Physics

High Energy Physics

High Energy Physics - Experiment

11 pages, 3 figures, Accepted by Phys. Lett. B

Scientific paper

10.1016/j.physletb.2006.01.058

The pseudoscalar meson eta_b has been searched for in two-photon interactions at LEP II. The data sample corresponds to a total integrated luminosity of 617 pb^{-1} at centre-of-mass energies ranging from 161 to 209 GeV. Upper limits at a confidence level of 95% on the product Gamma_{\gamma\gamma}(eta_b) x BR(eta_b) are 190, 470 and 660 eV/c^2 for the eta_b decaying into 4, 6 and 8 charged particles, respectively.

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