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The ArDM project: A liquid argon TPC for dark matter detection


Boccone, V (2009). The ArDM project: A liquid argon TPC for dark matter detection. Journal of Physics: Conference Series, 160:012032.

Abstract

ArDM is a new-generation WIMP detector which will measure simultaneously light and charge from scintillation and ionization of liquid argon. Our goal is to construct, characterize and operate a 1 ton liquid argon underground detector. The project relies on the possibility to extract the electrons produced by ionization from the liquid into the gas phase of the detector, to amplify and read out with Large Electron Multipliers detectors. Argon VUV scintillation light has to be converted with wavelength shifters such as TetraPhenyl Butadiene in order to be detected by photomultipliers with bialkali photocathodes. We describe the status of the LEM based charge readout and light readout system R&D and the first light readout tests with warm and cold argon gas in the full size detector.

Abstract

ArDM is a new-generation WIMP detector which will measure simultaneously light and charge from scintillation and ionization of liquid argon. Our goal is to construct, characterize and operate a 1 ton liquid argon underground detector. The project relies on the possibility to extract the electrons produced by ionization from the liquid into the gas phase of the detector, to amplify and read out with Large Electron Multipliers detectors. Argon VUV scintillation light has to be converted with wavelength shifters such as TetraPhenyl Butadiene in order to be detected by photomultipliers with bialkali photocathodes. We describe the status of the LEM based charge readout and light readout system R&D and the first light readout tests with warm and cold argon gas in the full size detector.

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Additional indexing

Contributors:ArDM collaboration
Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2009
Deposited On:24 Dec 2009 11:03
Last Modified:21 Nov 2017 14:31
Publisher:Institute of Physics Publishing
ISSN:1742-6588
Additional Information:XIII International Conference on Calorimetry in High Energy Physics (CALOR 2008)
Publisher DOI:https://doi.org/10.1088/1742-6596/160/1/012032
Related URLs:http://arxiv.org/abs/0810.4490

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