A segmented-scintillator-based implantation detector was developed to study the energy distribution of beta-delayed neutrons emitted from exotic isotopes. The detector comprises a 34 × 34 YSO scintillator coupled to an 8 × 8 Position-Sensitive Photo-Multiplier Tube (PSPMT) via a tapered light guide. The detector was used at RIBF, RIKEN, for time-of-flight-based neutron spectroscopy measurement in the 78Ni region. The detector provides the position and timing resolution necessary for ion-beta correlations and ToF measurements. The detector provides a high ∼ 80 % beta-detection efficiency and a sub-nanosecond timing resolution. This contribution discusses the details of the design, operation, implementation, and analysis developed to obtain neutron time-of-flight spectrum and the analysis methods in the context of neutron-rich nuclei in the 78Ni region.
@article{arxiv.2412.04507,
title = {YSO implantation detector for beta-delayed neutron spectroscopy},
author = {M. Singh and R. Yokoyama and R. Grzywacz and A. Keeler and T. T. King and J. Agramunt and N. T. Brewer and S. Go and J. Liu and S. Nishimura and P. Parkhurst and V. H. Phong and M. M. Rajabali and B. C. Rasco and K. P. Rykaczewski and D. W. Stracener and A. Tolosa-Delgado and K. Vaigneur and M. Wolinska-Cichocka},
journal= {arXiv preprint arXiv:2412.04507},
year = {2024}
}