Advances in Thick GEM-like gaseous electron multipliers—Part I: atmospheric pressure operation

By C. Shalem, R. Chechik, A. Breskin, K. Michaeli. 2006

185 citations recorded by the source corpus.

Thick GEM-like (THGEM) gaseous electron multipliers are made of standard printed-circuit board perforated with sub-millimeter diameter holes, etched at their rims. Effective gas multiplication factors of 10 5 and 10 7 and fast pulses in the few nanosecond rise-time scale were reached in single- and cascaded double-THGEM elements, in atmospheric-pressure standard gas mixtures with single photoelectrons. High single-electron detection efficiency is obtained in photon detectors combining THGEMs and semitransparent UVsensitive CsI photocathodes or reflective ones deposited on the top THGEM face; the latter benefits of a reduced sensitivity to ionizing background radiation. Stable operation was recorded with photoelectron fluxes exceeding MHz/mm 2 . The properties and some potential applications of these simple and robust multipliers are discussed.

Subfields: Biomedical Engineering, Nuclear and High Energy Physics, Radiation

View Paper: https://www.semanticscholar.org/paper/219bc5b0beb37ffa0248ea0a1ecbdf16f9cc6590

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In Biomedical Engineering

1. H. Ara'ujo
2. V. Chepel

In Nuclear and High Energy Physics

1. H. Ara'ujo
2. V. Chepel

In Radiation

1. H. Ara'ujo
2. V. Chepel

Citations in the corpus

• Liquid noble gas detectors for low energy particle physics (2012, methodology): “We refer to review articles [308, 309, 310] and references therein for more detailed information on the operation and present status of these devices.”