A gas vertex detector, operated with dimethylether (DME) at atmospheric pressure, is presently being built for the ZEUS experiment at HERA. Its main design features, together with the performances of a prototype measured at various operating voltages, particle rates and geometrical conditions on a CERN Proton Synchrotron test beam, are presented. A spatial resolution down to 35-mu-m and an average wire efficiency of 96% have been achieved, for a 3 mm gas gap relative to each sense wire.
The ZEUS vertex detector: design and prototype
ANZIVINO, Giuseppina
1991
Abstract
A gas vertex detector, operated with dimethylether (DME) at atmospheric pressure, is presently being built for the ZEUS experiment at HERA. Its main design features, together with the performances of a prototype measured at various operating voltages, particle rates and geometrical conditions on a CERN Proton Synchrotron test beam, are presented. A spatial resolution down to 35-mu-m and an average wire efficiency of 96% have been achieved, for a 3 mm gas gap relative to each sense wire.File in questo prodotto:
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