Spectroscopic parameters of advanced detectors based on gallium germanium garnet Ce : GAGG

Authors

  • Dzmitry Yu. Kozlov Research Institute for Nuclear Problems, Belarusian State University, 11 Babrujskaja Street, Minsk 220030, Belarus
  • Mikhail V. Korjik Research Institute for Nuclear Problems, Belarusian State University, 11 Babrujskaja Street, Minsk 220030, Belarus
  • Alexandr S. Lobko Research Institute for Nuclear Problems, Belarusian State University, 11 Babrujskaja Street, Minsk 220030, Belarus; Belarusian State University, 4 Niezaliežnasci Avenue, Minsk 220030, Belarus
  • Andrey A. Fedorov Research Institute for Nuclear Problems, Belarusian State University, 11 Babrujskaja Street, Minsk 220030, Belarus
  • Vitaly A. Mechinsky Research Institute for Nuclear Problems, Belarusian State University, 11 Babrujskaja Street, Minsk 220030, Belarus
  • Vitaly V. Bogomolov Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 1 Leninskie Gory Street, building 2, Moscow 119991, Russia; Lomonosov Moscow State University, 1 Leninskie Gory Street, building 2, Moscow 119234, Russia
  • Anatoly F. Iyudin Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 1 Leninskie Gory Street, building 2, Moscow 119991, Russia
  • Sergey I. Svertilov Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 1 Leninskie Gory Street, building 2, Moscow 119991, Russia; Lomonosov Moscow State University, 1 Leninskie Gory Street, building 2, Moscow 119234, Russia
  • Ivan V. Yashin Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 1 Leninskie Gory Street, building 2, Moscow 119991, Russia

Keywords:

scintillator, crystal, detector, isotope, gamma quanta, pulse, energy resolution
Supporting Agencies
The work was supported by the grant No. Ф18Р-029/1 of Belarusian Republican Foundation for Fundamental Research and No. 18-52-00024 of Russian Foundation for Basic Research.

Abstract

The results of measurements of the energy resolution of advanced scintillation crystal Ce : GAGG grown in the Research Institute for Nuclear Problems of the Belarusian State University are considered. The measurements were carried out in the energy range of detected gamma quanta from 20 keV to 3 MeV. A rectangular sample with size of 12 × 12 × 9 mm was studied. Photomultiplier Hamamatsu R3998-100-02, avalanche photodiode S8664-1010 and silicon matrices (SiPM) manufactured by SensL were used as photodetectors. The measured energy resolution on the  137 Cs line (662 keV) was about 7.5 %, which is not inferior to the resolution of the widely used NaI(Tl), CsI(Tl) scintillators of a similar size. Since Ce : GAGG crystals are not hygroscopic and compared to NaI(Tl), CsI(Tl) are characterized by a significantly shorter decay time (~ 80 ns), they seem very promising for use in gamma spectrometers and as position-resolvable elements of spatially sensitive detectors of energetic particles and gamma quanta.

Author Biographies

  • Dzmitry Yu. Kozlov, Research Institute for Nuclear Problems, Belarusian State University, 11 Babrujskaja Street, Minsk 220030, Belarus

    researcher at the laboratory of experimental high energy physics

  • Mikhail V. Korjik, Research Institute for Nuclear Problems, Belarusian State University, 11 Babrujskaja Street, Minsk 220030, Belarus

    doctor of science (physics and mathematics); head of the laboratory of experimental high energy physics

  • Alexandr S. Lobko, Research Institute for Nuclear Problems, Belarusian State University, 11 Babrujskaja Street, Minsk 220030, Belarus; Belarusian State University, 4 Niezaliežnasci Avenue, Minsk 220030, Belarus

    doctor of science (physics and mathematics), full professor; head of the laboratory of nuclear spectrometry and radiation safety expertise, Research Institute for Nuclear Problems, Belarusian State University, and professor at the department of nuclear physics, faculty of physics, Belarusian State University

  • Andrey A. Fedorov, Research Institute for Nuclear Problems, Belarusian State University, 11 Babrujskaja Street, Minsk 220030, Belarus

    PhD (physics and mathematics); senior researcher at the laboratory of experimental high energy physics

  • Vitaly A. Mechinsky, Research Institute for Nuclear Problems, Belarusian State University, 11 Babrujskaja Street, Minsk 220030, Belarus

    PhD (physics and mathematics); senior researcher at the laboratory of experimental high energy physics

  • Vitaly V. Bogomolov, Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 1 Leninskie Gory Street, building 2, Moscow 119991, Russia; Lomonosov Moscow State University, 1 Leninskie Gory Street, building 2, Moscow 119234, Russia

    PhD (physics and mathematics); senior researcher at the X-ray and gamma space astronomy laboratory, Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, and lecturer at the department of space physics, faculty of physics, Lomonosov Moscow State University

  • Anatoly F. Iyudin, Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 1 Leninskie Gory Street, building 2, Moscow 119991, Russia

    doctor of science (physics and mathematics); head of the X-ray and gamma space astronomy laboratory

  • Sergey I. Svertilov, Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 1 Leninskie Gory Street, building 2, Moscow 119991, Russia; Lomonosov Moscow State University, 1 Leninskie Gory Street, building 2, Moscow 119234, Russia

    doctor of science (physics and mathematics), full professor; leading researcher at the X-ray and gamma space astronomy laboratory, Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, and professor at the department of space physics, faculty of physics, Lomonosov Moscow State University

  • Ivan V. Yashin, Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 1 Leninskie Gory Street, building 2, Moscow 119991, Russia

    PhD (physics and mathematics); leading researcher at the X-ray and gamma space astronomy laboratory

References

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Published

2019-05-20

Issue

No. 2 (2019): Journal of the Belarusian State University. Physics

Section

Atomic Nucleus and Elementary Particle Physics

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How to Cite

(1)
Kozlov, D. Y.; Korjik, M. V.; Lobko, A. S.; Fedorov, A. A.; Mechinsky, V. A.; Bogomolov, V. V.; Iyudin, A. F.; Svertilov, S. I.; Yashin, I. V. Spectroscopic Parameters of Advanced Detectors Based on Gallium Germanium Garnet Ce : GAGG. Журнал Белорусского государственного университета. Физика 2019, No. 2, 26-35. https://doi.org/10.33581/2520-2243-2019-2-26-35.
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