Holger Stöck

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A new analysis of the radiative decay ω→ηγ in proton-antiproton annihilation at rest Abstract We report on a measurement of the branching ratio of the rare decay ω→ηγ relative to the well known decay ω→π 0 γ. The ω's are produced in pp→ηω and pp→π 0 ω. Eigenstate mixing and interference effects of the ω and ρ 0 are taken into account, as well as coherent(More)
We report the first observation of antiproton annihilation on the deuteron into two-body channels with open strangeness. These reactions are of the Pontecorvo type, designating annihilations kinematically not possible on a free nucleon. With antiprotons stopped in a liquid deuterium target, a K 0 Sand Λ-enriched sample of events, corresponding to about 10 9(More)
In the last few years, the CLEO III experiment has recorded a large collection of data sets at the Υ(1S), Υ(2S), Υ(3S) and ψ(2S) resonances. Preliminary results of studies of these data sets are shown here, which include the observation of a new Υ(1D) state, as well as several hadronic and radiative transitions of Υ and ψ(2S) states. In addition, precision(More)
In spring 2003, the B physics era ended for the CLEO experiment with a final run at the ϒ(5S) resonance. Over the summer the experiment and the CESR accelerator were modified to operate at lower center-of-mass energies between 3 and 5 GeV. In September 2003 the CLEO-c detector has begun to take its first data at the ψ(3770) resonance, with which a new era(More)
Departing from false interpretations of results obtained in psychopharmacological studies, the mathematical-statistical methods of the trend test after WILCOXON, of the WILCOXON comparative test for processes and of the HOTELLING-PABST test are presented and discussed on the basis of a computer programme. Using the example of the psychotropics clomipramine(More)
The antidepressants desipramine and imipramine were compared within the framework of a multiclinical study performed under the conditions of a controlled clinical experiment. There has been found a time-different remission of affective symptoms, which was not detectable for the inhibition of drive. The tachythymoleptic action of desipramine is discussed(More)
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