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Published May 2016 | Published
Journal Article Open

Performance of Crystal Scintillators in a Severe Radiation Environment Caused by Protons


Future high energy physics experiments at the energy and intensity frontiers will face challenges from a severe radiation environment caused by both ionization dose and charged and neutral hadrons. This paper reports an investigation on proton induced radiation damage in various crystal scintillators. Large size BGO, LFS and PWO crystals of 18 to 22 cm long were irradiated by 800 MeV protons up to 3 × 10^(15) p/cm^2 at the WNR facility of LANSCE with longitudinal transmittance measured in situ. LYSO plates of 14 × 4 × 1.5 mm^3 were irradiated by 24 GeV protons up to 8.2 × 10^(15)p/cm^2 at the IRRAD facility of CERN. Degradations in both transmittance and light output are reported. The results show an excellent radiation hardness of LYSO/LFS crystals against charged hadrons.

Additional Information

© 2017 Published under licence by IOP Publishing Ltd. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of High Energy Physics program under Award Number DE-SC0011925. This work has benefited from the use of the Los Alamos Neutron Science Center at LANL. This facility is funded by the U.S. Department of Energy under Contract No. DE-AC52-06NA25396. The authors would also like to thank Drs. F. Ravotti and D. Bailleux, who helped us to irradiate the LYSO/LFS plates at CERN.

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Published - Yang_2017_J._Phys._3A_Conf._Ser._928_012029.pdf


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