ISIS Neutron and Muon Source Data Journal

Tomographic reconstruction of the shape and dimensions of LaBr3 scintillator crystals at IMAT

Abstract: A recent project has started to provide JET (and in the future ITER tokamak) of a second real time diagnostic for fusion power, measuring the absolute intensity of the 16.7 MeV gamma line from D-T reaction. This diagnostic requires ABSOLUTE EFFICIENCY calibration of the used detector, and thus accurate measurement of the detector sensitive volume. LaBr3 detectors are the best option for high-energy gamma-ray monitoring in neutron-rich environments, but they are provided in sealed mounts that cannot be open without damage. We thus propose to perform a Neutron Tomography measurements of two such sealed detectors. One of them is a "one-of-its-kind" very large (3"x6") detector that will be made available by JET tokamak for a limited amount of time. NT will provide the exact crystal dimensions to be inserted in GEANT4-MCNP simulations for the efficiency estimation.

Principal Investigator: Dr Enrico Perelli Cippo
Experimenter: Miss Stephanie Cancelli
Experimenter: Dr Andrea Muraro
Experimenter: Dr Andrea Abba
Experimenter: Dr Marica Rebai
Local Contact: Dr Anna Fedrigo
Experimenter: Dr Davide Rigamonti
Experimenter: Dr Marco Tardocchi
Experimenter: Dr Luca Giacomelli
Experimenter: Dr Oscar Putignano

DOI: 10.5286/ISIS.E.RB2000138

ISIS Experiment Number: RB2000138

Publisher: STFC ISIS Neutron and Muon Source

Data format: RAW/Nexus
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Data Citation

The recommended format for citing this dataset in a research publication is as:
[author], [date], [title], [publisher], [doi]

For Example:
Dr Enrico Perelli Cippo et al; (2020): Tomographic reconstruction of the shape and dimensions of LaBr3 scintillator crystals at IMAT, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB2000138

Data is released under the CC-BY-4.0 license.