Picture of a prompt-fission γ-ray measurement setup in Budapest: Four LaBr3:Ce detectors of size (diameter × length) 5.08cm×5.08cm, were placed at 90 degrees relative to the neutron beam axis at a distance of 36 cm from the center of the chamber where the plutonium sample was mounted in the center of the cathode.
A. Gatera et al.
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<a rel="nofollow" class="external free" href="https://journals.aps.org/prc/abstract/10.1103/PhysRevC.95.064609">https://journals.aps.org/prc/abstract/10.1103/PhysRevC.95.064609</a>