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Measurement of Neutral-Current Four-Fermion Production at LEP2
The OPAL collaboration
Four-fermion final states qqbar e+e- and qqbar mu+mu- from neutral-current interactions in e+e- collisions are studied in the OPAL detector at LEP at centre-of-mass energies from 1…
A modular PC based silicon microstrip beam telescope with high speed data acquisition
J. Treis, P. Fischer, L. Klingbeil +3
A PC based high speed silicon microstrip beam telescope consisting of several independent modules is presented. Every module contains an AC-coupled double sided silicon microstrip…
Readout Concepts for DEPFET Pixel Arrays
P. Fischer, W. Neeser, M. Trimpl +2
Field effect transistors embedded into a depleted silicon bulk (DEPFETs) can be used as the first amplifying element for the detection of small signal charges deposited in the bulk…
Measurement of the Cross-Section for the Process GammaGamma -> Ppbar at sqrt(s)_ee=183-189 GeV at LEP
The OPAL collaboration, G. Abbiendi
The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons had been studied using data taken at sqrt(s)_ee=183 GeV and 189 GeV with the OPAL de…
Search for Scalar Top and Scalar Bottom Quarks at LEP
The OPAL collaboration, G. Abbiendi
Searches for a scalar top quark and a scalar bottom quark have been performed using a data sample of 438 pb-1 at centre-of-mass energies of sqrt(s) = 192 - 209 GeV collected with t…
Pixel Detectors for Particle Detection and Imaging Applications
Norbert Wermes
Semiconductor pixel detectors offer features for the detection of radiation which are interesting for particle physics detectors as well as for imaging e.g. in biomedical applicati…