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https://hdl.handle.net/10316/113290
Title: | First results on FHM — a Floating Hole Multiplier | Authors: | Chepel, V. Martínez-Lema, G. Roy, A. Breskin, A. |
Keywords: | Charge transport; multiplication and electroluminescence in rare gases and liquids; Liquid detectors; Micropattern gaseous detectors (MSGC, GEM, THGEM, RETHGEM, MHSP, MICROPIC, MICROMEGAS, InGrid, etc); Noble liquid detectors (scintillation, ionization, doublephase) | Issue Date: | 2023 | Publisher: | Institute of Physics Publishing | Project: | FCT - project CERN/FISINS/ 0026/2019 FCT - project CERN/FIS-INS/0013/2021 |
Serial title, monograph or event: | Journal of Instrumentation | Volume: | 18 | Issue: | 05 | Abstract: | A proof of principle of a novel concept for event recording in dual-phase liquid xenon detectors — the Floating Hole Multiplier (FHM) — is presented. It is shown that a standard Thick Gaseous Electron Multiplier (THGEM), freely floating on the liquid xenon surface permits extraction of electrons from the liquid to the gas. Secondary scintillation induced by the extracted electrons in the THGEM holes as well as in the uniform field above it was observed. The first results with the FHM indicate that the concept of floating electrodes may offer new prospects for large-scale dual-phase detectors, for dark matter searches in particular. | URI: | https://hdl.handle.net/10316/113290 | ISSN: | 1748-0221 | DOI: | 10.1088/1748-0221/18/05/P05013 | Rights: | openAccess |
Appears in Collections: | LIP - Artigos em Revistas Internacionais |
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First-results-on-FHM--a-Floating-Hole-MultiplierJournal-of-Instrumentation.pdf | 6.4 MB | Adobe PDF | View/Open |
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