First studies with the Resistive-Plate WELL gaseous multiplier

A. Rubin, L. Arazi, S. Bressler, L. Moleri, M. Pitt, A. Breskin

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


We present the results of first studies of the Resistive Plate WELL (RPWELL): a single-faced THGEM coupled to a copper anode via a resistive layer of high bulk resistivity. We explored various materials of different bulk resistivity (109-1012 Ωcm) and thickness (0.4-4 mm). Our most successful prototype, with a 0.6 mm resistive plate of ∼ 10 9 Ωcm, achieved gains of up to 105 with 8 keV x-ray in Ne/5%CH4; a minor 30% gain drop occurred with a rate increase from 10 to 104 Hz/mm2. The detector displayed a full "discharge-free" operation - even when exposed to high primary ionization events. We present the RPWELL detector concept and compare its performance to that of other previously explored THGEM configurations - in terms of gain, its curves, dependence on rate, and the response to high ionization. The robust Resistive Plate WELL concept is a step forward in the Micro-Pattern Gas-Detector family, with numerous potential applications.

Original languageEnglish
Article numberP11004
JournalJournal of Instrumentation
Issue number11
StatePublished - 1 Nov 2013
Externally publishedYes


  • Electron multipliers (gas)
  • Micropattern gaseous detectors (MSGC, GEM, THGEM, RETHGEM, MHSP, MICROPIC, MICROMEGAS, InGrid, etc)
  • Resistive-plate chambers

ASJC Scopus subject areas

  • Instrumentation
  • Mathematical Physics


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