First results with THGEM followed by submillimetric multiplying gap

A. E.C. Coimbra, A. S. Conceição, J. A. Mir, A. Rubin, M. Pitt, A. Breskin, C. A.O. Henriques, J. M.F. Dos Santos

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


This work presents the first results dealing with THGEMs coupled to submillimetric multiplication gaps, operated in an atmospheric pressure of Ne/CF4. The experimental studies done so far with a THGEM coupled to submillimetric multiplication gaps achieved charge-gains of 4 × 10 4 and 1 × 105 in Ne/CF4 (95:5), for 0.4 mm and 0.8 mm gaps, respectively, values that are one order of magnitude higher than those obtained in single-THGEM configuration and approximately half from those obtained for a cascaded-THGEM configuration. The present studies evaluate the performance operation in terms of the charge-gain characteristics and X-ray energy resolution.

Original languageEnglish
Article numberP06004
JournalJournal of Instrumentation
Issue number6
StatePublished - 1 Jun 2013
Externally publishedYes


  • Charge transport and multiplication in gas
  • Electron multipliers (gas)
  • Micropattern gaseous detectors (MSGC, GEM, THGEM,RETHGEM, MHSP, MICROPIC, MICROMEGAS, InGrid, etc)
  • X-ray detectors

ASJC Scopus subject areas

  • Mathematical Physics
  • Instrumentation


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