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19922026
Showing 2000 · hep-exShow all

13 papers · 2 filters

hep-ex2000★ 33 cited

A Measurement of the QCD Colour Factors using Event Shape Distributions at sqrt(s)=14 GeV to 189 GeV

S. Kluth, P. A. Movilla Fernandez, S. Bethke +2

Measurements of the QCD colour factors C_A and C_F and of the number of active quark flavours n_f in the process e+e- -> hadrons at high energy are presented. They are based on fit…

hep-ex2000★ 1 cited

Measurement of the B0 and B- meson lifetimes in ALEPH

K. Huttmann

The lifetimed of the Bbar0 and B- meson lifetimes are measured using data recorded on the Z peak with the ALEPH detector at LEP. An improved analysis based on partially reconstruct…

hep-ex2000★ 4 cited

The CRESST Experiment: Recent Results and Prospects

P. Di Stefano, M. Bruckmayer, C. Bucci +20

The CRESST experiment seeks hypothetical WIMP particles that could account for the bulk of dark matter in the Universe. The detectors are cryogenic calorimeters in which WIMPs woul…

hep-ex2000★ 2 cited

Power correction analyses in e+e- annihilation

Stefan Kluth

The current status of theoretical work and experimental analyses on power corrections in QCD for e+e- annihilation will be reviewed. Measurements of the number of active quark flav…

hep-ex2000★ 88 cited

Event-by-event fluctuations of the kaon to pion ratio in central Pb+Pb collisions at 158 GeV per Nucleon

Afanasiev, NA49 collaboration

We present the first measurement of fluctuations from event to event in the production of strange particles in collisions of heavy nuclei. The ratio of charged kaons to charged pio…

hep-ex2000★ 21 cited

Measurement of the Mass and Width of the W Boson in e+e- Collisions at 189 GeV

The OPAL collaboration, G. Abbiendi

The mass and width of the W boson are determined in e+e- collisions at LEP using 183 pb^-1 of data recorded at a centre-of-mass energy roots=189 GeV with the OPAL detector. The inv…