New information on the characteristics of 1in.×1in. cerium bromide scintillation detectors

New prompt spectralγ-ray data from the reaction252Cf(sf) and its implication on present evaluated nuclear data files

“…Therefore, at the Institute for Reference Materials and Measurements (IRMM) we purchased three different scintillation detector types, based on cerium-doped lanthanum-chloride (LaCl 3 :Ce), cerium-doped lanthanum-bromide (LaBr 3 :Ce), and cerium-bromide (CeBr 3 ) crystals, respectively. After their 024601-1 0556-2813/2013/87(2)/024601 (5) ©2013 American Physical Society extensive characterization, using different calibration sources with γ -ray energies between 81 keV ( 133 Ba) up to 2.6 MeV ( 232 Th decay series), we decided to use lanthanum-bromide, because of its superior timing as well as energy resolution [23], and cerium-bromide, for its absence of intrinsic activity [24,28]. In previous measurements on prompt fission γ rays [5,6], sodium-iodine (NaI) detectors were used to investigate the γ multiplicity and mean energy.…”

“…Accordingly, it seems that no experimental data have been used to evaluate any of these three isotopes. Since the 1970s significant advances have occurred in detector development, especially with the release of new lanthanide-halide scintillation detectors [9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24], as well as new data acquisition and signal-processing techniques [25,26]. Consequently, we wanted to take advantage of these advancements toward high-quality measurements of the γ -decay heat from the fission process.…”

High-precision prompt-γ-ray spectral data from the reactionPu241(nth,Oberstedt1, Billnert2, Belgya3 et al. 2014Phys. Rev. CSelf Cite4311370View full textAdd to dashboardCite

“…The properties of the lanthanide halide detectors used are described in detail in Refs. [1,[19][20][21][22]. The fourth detector (LaBr 3 :Ce) with dimensions of 7.62 cm × 7.62 cm, was placed at about 30 degrees relative to the neutron-beam axis and 60 cm away from the fission source.…”

Improved values for the characteristics of prompt-fissionγ-ray spectra from the reaction235U(nth,Oberstedt1, Belgya2, Billnert3 et al. 2013Phys. Rev. CSelf Cite

“…The properties of the used lanthanide halide detectors are described in detail in Refs. [1,[18][19][20][21].…”