Study of the time response of a LuAG(Pr) crystal for fast timing applications.

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Title: Study of the time response of a LuAG(Pr) crystal for fast timing applications.
Authors: Fraile, L.M.1 Luis.Fraile@cern.ch, Mach, H.1, Picado, E.1, Vedia, V.1, Udías, J.M.1
Source: Nuclear Instruments & Methods in Physics Research Section A. Jun2013, Vol. 713, p27-32. 6p.
Subjects: Lutetium compounds, Metal crystals, Praseodymium, Doped semiconductors, Photons, Nuclear energy
Abstract: The recently developed praseodymium-doped lutetium aluminum garnet, LuAG(Pr), holds a strong potential for fast timing applications. In this study we report on the time response of LuAG(Pr) at 22Na and 60Co photon energies. The measurements were performed using a small crystal cube of 1cm3 coupled to a Hamamatsu R5320 photomultiplier tube. The full width at half maximum (FWHM) time resolution is found to be 147±2ps at 60Co energies, and 238±2ps at 22Na. [ABSTRACT FROM AUTHOR]
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Abstract:The recently developed praseodymium-doped lutetium aluminum garnet, LuAG(Pr), holds a strong potential for fast timing applications. In this study we report on the time response of LuAG(Pr) at 22Na and 60Co photon energies. The measurements were performed using a small crystal cube of 1cm3 coupled to a Hamamatsu R5320 photomultiplier tube. The full width at half maximum (FWHM) time resolution is found to be 147±2ps at 60Co energies, and 238±2ps at 22Na. [ABSTRACT FROM AUTHOR]
ISSN:01689002
DOI:10.1016/j.nima.2013.02.015