Published July 10, 1991 | Version v1
Journal article

The ZEUS vertex detector: Design and prototype

  • 1. Consiglio Nazionale delle Ricerche, Florence (Italy). Ist. di Ricerca sulle Onde Elettromagnetiche
  • 2. Istituto Nazionale di Fisica Nucleare, Frascati (Italy). Lab. Nazionale di Frascati
  • 3. Istituto Nazionale di Fisica Nucleare, Florence (Italy)
  • 4. Istituto Nazionale di Fisica Nucleare, Bologna (Italy)
  • 5. Florence Univ. (Italy). Dipt. di Fisica
  • 6. Cosenza Univ. (Italy). Dipt. di Fisica
  • 7. Bologna Univ. (Italy). Dipt. di Fisica
  • 8. European Organization for Nuclear Research, Geneva (Switzerland)

Description

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 μm and an average wire efficiency of 96% have been achieved, for a 3 mm gas gap relative to each sense wire. (orig.)

Additional details

Publishing Information

Journal Title
Nuclear Instruments and Methods in Physics Research, Section A
Journal Volume
305
Journal Issue
1
Series
Nucl. Instrum. Methods Phys. Res., Sect. A.
Journal Page Range
30-38
ISSN
0168-9002
CODEN
NIMAE