4.4 Article

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

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2013.02.015

Keywords

Fast timing; LuAG(Pr); Inorganic scintillators; Time resolution; Fast photomultiplier tubes; Hamamatsu R5320

Funding

  1. Comunidad de Madrid [ARTEMIS S2009/DPI-1802]
  2. Complutense University (Grupos UCM) [910059]
  3. CDTI under the CENIT Programme (AMIT Project)
  4. Consejo de Seguridad Nuclear [PR13/09-16797]
  5. Spanish MINECO [FPA2010-17142, CSD 2007-00042, PRI-PIMNUP-2011-1338]

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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 Na-22 and Co-60 photon energies. The measurements were performed using a small crystal cube of 1 cm(3) coupled to a Hamamatsu R5320 photomultiplier tube. The full width at half maximum (FWHM) time resolution is found to be 147 +/- 2 Ps at Co-60 energies, and 238 +/- 2 Ps at Na-22. (C) 2013 Elsevier B.V. All rights reserved.

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