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Abstract submitted: https://indico.cern.ch/event/192695/call-for- abstracts/my-abstracts.

Status of your abstract: https://indico.cern.ch/event/192695/call- for-abstracts/247/.

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Conference: Tipp 2014 - Third International Conference on Technology and Instrumentation in Particle Physics

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Submitted on: 19 February 2014 18:36

Title: Detection of Proportional Scintillation in Liquid Xenon

Abstract content We present results from measurements to detect proportional scintillation light near thin wires in liquid xenon (LXe). А LXe time projection chamber (TPC) has superior features for the direct detection of Weakly Interacting Massive Particles (WIMPs) as demonstrated by the Xenon10 and Xenon100 experiments and more recently also by LUX. Future upgrades of these experiments with a TPC containing several tonnes of LXe presents some technical challenges which could be removed with the detection of the proportional scintillation in liquid phase. First measurements of the proportional scintillation in LXe were reported more than 30 years ago. In light of the advantages of the approach for the future large scale LXe detectors for the Dark Matter search we have carried out new measurements in LXe using thin wires and a gas electron multiplier. The experiment set-up and results from this R&D carried out at Columbia University Nevis Lab will be presented.

Summary

Primary Authors: Dr. NAGANOMA, Junji (Rice University) junji@rice.edu

Co-authors: Prof. APRILE, Elena (Columbia University) age@astro.columbia.edu Dr. BUDNIK, Ranny (Columbia University) ranny@astro.columbia.edu Mr. CONTRERAS, Hugo (Columbia University) hugocontrerasp@gmail.com Mr. GOETZKE, Luke (Columbia University) lwg2107@columbia.edu Ms. ROSIE, Hood (Columbia University) rosie.hood@hotmail.co.uk Dr. MELGAREJO FERNANDEZ, Antonio (Columbia University) ajmelgarejo@astro.columbia.edu Dr. MESSINA, Marcello (Columbia University) mmessina@astro.columbia.edu Dr. PLANTE, Guillaume (Columbia University) guillaum@phys.columbia.edu Dr. RIZZO, Alfio (Columbia University) edo@astro.columbia.edu Dr. SHAGIN, Petr (Rice University) pshagin@rice.edu Dr. WALL, Richard (Rice University) richard.a.wall@rice.edu

Abstract presenters: Dr. NAGANOMA, Junji

Track classification: Experiments: 2d) Dark Matter Detectors

Presentation type: Oral

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