GEANT4-based calibration of an organic liquid scintillator

Mauritzson, N.; Fissum, Kevin; Perrey, H.; Annand, J. R. M.; Frost, R.J.W.; Hall-Wilton, R.; Jebali, R. Al; Kanaki, K.; Maulerova-Subert, V.; Messi, F.; Rofors, E.

doi:10.1016/j.nima.2021.165962

Cited by 8 publications

(1 citation statement)

References 17 publications

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“…The positions of the Compton edges were determined from the simulations by placing a tight cut around the electron energy very close to the edge, as decribed in Ref. [39]. The result of the energy calibration is presented in Fig.…”

Section: Energy Calibrationmentioning

confidence: 99%

Technique for the measurement of intrinsic pulse-shape discrimination for organic scintillators using tagged neutrons

Mauritzson,

Fissum,

Annand

et al. 2022

Preprint

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Fast-neutron/gamma-ray pulse-shape discrimination has been performed for the organic liquid scintillators NE 213A and EJ 305 using a time-of-ight based neutron-tagging technique and waveform digitization on an event-by-event basis. Gamma-ray sources and a Geant4-based simulation were used to calibrate the scintillation-light yield. The di erence in pulse shape for the neutron and gamma-ray events was analysed by integrating selected portions of the digitized waveform to produce a gure-of-merit for neutron/gamma-ray separation. This gure-of-merit has been mapped as a function of detector threshold and also of neutron energy determined from time-of-ight. It shows clearly that the wellestablished pulse-shape discrimination capabilities of NE 213A are superior to those of EJ 305. The extra information provided by the neutron-tagging technique has resulted in a far more detailed assessment of the pulse-shape discrimination capabilities of these organic scintillators.

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Section: Energy Calibrationmentioning

confidence: 99%