Temporal tomography of rock density using muon measurements with TPC-MicroMegas

F. Hivert 1, 2, 3 I. Lazaro Roche 1 J.-B. Decitre 1 Stéphane Gaffet 3, 1 J. Busto 2 J.- P. Ernenwein 2 J. Brunner 2 X. Martin 3
1 LSBB - Laboratoire Souterrain à Bas Bruit
2 CPPM - Centre de Physique des Particules de Marseille
3 GEOAZUR - Géoazur
Abstract : Muon tomography allows investigating the subsurface. Muons being penetrative, the attenuation of the muon flux depends on the quantity of matter the particles travel through, hence on the rock density and thickness. For the Temporal Tomography of rock Density using Muon Measurements (T2DM2) project, the muon flux measurements are performed in LSBB URL (http://www.lsbb.eu) in order to study the hydrogeological processes in the unsaturated area of Fontaine-de-Vaucluse karst aquifer. The suitability of the muography for this study is here numerically demonstrated. In parallel to these simulations, muon flux measurements are carried out in the LSBB galleries by means of a set of four scintillator tanks and Micromegas detectors are developed. These detectors, here described, are adapted for underground and confined spaces as well as other environments. Their performances are particularly interesting and should contribute to the expansion of muon tomography in new application fields.
Keywords : Tomography Muon Micromegas Underground laboratory Density
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Conference papers
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Submitted on : Wednesday, July 20, 2016 - 3:31:28 PM
Last modification on : Monday, September 2, 2019 - 9:00:02 AM

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F. Hivert, I. Lazaro Roche, J.-B. Decitre, Stéphane Gaffet, J. Busto, et al.. Temporal tomography of rock density using muon measurements with TPC-MicroMegas. 13th ISRM International Congress of Rock Mechanics, May 2014, Montreal, Canada. ⟨in2p3-01347193⟩

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