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Single crystalline LuAG fibers for homogeneous dual-readout calorimeters

K. PauwelsEuropean Organization for Nuclear Research, CERN, CH-1211 Geneva, SwitzerlandChristophe DujardinInstitut Lumière Matière, UMR5306 Université Lyon 1-CNRS, Villeurbanne cedex, FranceS. GundackerEuropean Organization for Nuclear Research, CERN, CH-1211 Geneva, SwitzerlandK. LebbouInstitut Lumière Matière, UMR5306 Université Lyon 1-CNRS, Villeurbanne cedex, FranceP. LecoqEuropean Organization for Nuclear Research, CERN, CH-1211 Geneva, SwitzerlandM. T. LucchiniEuropean Organization for Nuclear Research, CERN, CH-1211 Geneva, SwitzerlandFederico MorettiInstitut Lumière Matière, UMR5306 Université Lyon 1-CNRS, Villeurbanne cedex, FranceA. G. PetrosyanInstitute for Physical Research, NAS of Armenia, Ashtarak-2, 0203, ArmeniaXiaodong XuInstitut Lumière Matière, UMR5306 Université Lyon 1-CNRS, Villeurbanne cedex, FranceE. AuffrayEuropean Organization for Nuclear Research, CERN, CH-1211 Geneva, Switzerland

2013en

ABI

Annotatsiya

For the next generation of calorimeters, designed to improve the energy resolution of hadrons and jets measurements, there is a need for highly granular detectors requiring peculiar geometries. Heavy inorganic scintillators allow compact homogeneous calorimeter designs with excellent energy resolution and dual-readout abilities.These scintillators are however not usually suited for geometries with a high aspect ratio because of the important losses observed during the light propagation. Elongated single crystals (fibers) of Lutetium Aluminium garnet (LuAG, Lu3Al5O12) were successfully grown with the micropulling-down technique. We present here the results obtained with the recent fiber production and we discuss how the light propagation could be enhanced to reach attenuation lengths in the fibers better than 0.5 m.

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DOI: 10.1088/1748-0221/8/09/p09019

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