Showing papers by "Yang Gao published in 1991"

TL;DR: In this article, the authors show the context of analysis and the first results of a research on media temporalities of the elderly, showing that the global relation of the autonomous elderly persons to the media can evolve when confronted to their new temporal framework and the new program offer, whereas their representations and use of the media remain quite stable.

TL;DR: In this article, the authors measured the charged particle multiplicity distribution of hadronic Z decays using the ALEPH detector at LEP and found that the distribution has a mean 〈n〉=20.85± 0.24 and a dispersion D=6.34±0.12.

TL;DR: In this article, the strong coupling constant αs is measured by an analysis of energy-energy correlations (EEC) and the global event shape variables thrust, C-parameter and oblateness.

TL;DR: In this paper, the polarization of τ leptons produced in the reaction e+e−→τ+τ− at the Z resonance has been measured using the τ decay modes eνeντ, μνμντ and a1ντ.

TL;DR: A search for events of the type e + e − →l + l − X 0, where X 0 can be any weakly interacting particle which couples to the Z, has been performed with the ALEPH detector at LEP, by searching for acollinear lepton pairs as discussed by the authors.