Search for associated production of massive states decaying into two photons in e+e- annihilations at √s = 88-209 GeV
2002
Abstract A search is performed for production of short-lived particles in e + e − → XY , with X → γγ and Y→ f f , for scalar X and scalar or vector Y . Model-independent limits in the range of 25–60 femtobarns are presented on σ( e + e − →XY)×B(X→γγ)×B(Y→ f f ) for centre-of-mass energies in the range 205–207 GeV. The data from all LEP centre-of-mass energies 88–209 GeV are also interpreted in the context of fermiophobic Higgs boson models, for which a lower mass limit of 105.5 GeV is obtained for a “benchmark” fermiophobic Higgs boson.
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