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Status of the AMANDA South Pole Neutrino Detector
F. Halzen
Initial deployment of optical modules near 1 and 2 kilometer depth indicate that deep polar ice is the most transparent known natural solid. Experience with early data has revealed…
(No) Color in QCD: Charmonium, Charm and Rapidity Gaps
O. J. P. Eboli, E. M. Gregores, F. Halzen
The reason why some data on the production of - and -states disagree with QCD predictions, occasionally by well over one order of magnitude, is that the traditional method fo…
Gamma Ray Astronomy with Muons
F. Halzen, T. Stanev, G. B. Yodh
Although gamma ray showers are muon-poor, they still produce a number of muons sufficient to make the sources observed by GeV and TeV telescopes observable also in muons. For sourc…
Active Galaxies as Particle Accelerators
F. Halzen
We present the theoretical arguments and describe the accumulating experimental evidence that jets, powered by supermassive black holes, are true cosmic accelerators. They produce…
Prompt Charmonium Production in Z Decays
O. J. P. Eboli, E. M. Gregores, F. Halzen
The color-evaporation model quantitatively describes all data on photoproduction and hadroproduction of charmonium. Although the model is in part nonperturbative, the associated pa…
Quantitative Tests of Color Evaporation: Charmonium Production
J. F. Amundson, O. J. P. Eboli, E. M. Gregores +1
The color evaporation model simply states that charmonium production is described by the same dynamics as production, {\em i.e.}, by the formation of a colored $c \bar c…