未来长基线中微子振荡实验中基于新型3D投影闪烁体跟踪器的中子探测与应用
高能物理 - 实验
2023-03-08 v1 高能物理 - 唯象学
仪器与探测器
摘要
中微子振荡实验需要对中微子能量进行精确测量。然而，当前中微子振荡实验缺失对末态中子的运动学探测。缺失的中子运动学探测导致探测到的中微子能量相对于真实中微子能量发生下溢。一种新型 3D-投影闪烁体跟踪器由约一千万个覆有光学反射层的活性立方体组成，得益于快定时、细粒度与高光产额，能够逐事件利用飞行时间技术测量中子动能与方向。 相互作用倾向于在末态产生中子。通过推断中子动能，可更好地重建 能量，从而实现更紧的入射中微子通量约束。本文展示了该探测器重建中子动能的能力，以及通过选取末态无介子或质子的带电流相互作用所实现的 通量约束。
引用
@article{arxiv.2211.17037,
title = {Neutron detection and application with a novel 3D-projection scintillator tracker in the future long-baseline neutrino oscillation experiments},
author = {S. Gwon and P. Granger and G. Yang and S. Bolognesi and T. Cai and M. Danilov and A. Delbart and A. De Roeck and S. Dolan and G. Eurin and R. F. Razakamiandra and S. Fedotov and G. Fiorentini Aguirre and R. Flight and R. Gran and C. Ha and C. K. Jung and K. Y. Jung and S. Kettell and M. Khabibullin and A. Khotjantsev and M. Kordosky and Y. Kudenko and T. Kutter and J. Maneira and S. Manly and D. A. Martinez Caicedo and C. Mauger and K. McFarland and C. McGrew and A. Mefodev and O. Mineev and D. Naples and A. Olivier and V. Paolone and S. Prasad and C. Riccio and J. Rodriguez Rondon and D. Sgalaberna and A. Sitraka and K. Siyeon and N. Skrobova and H. Su and S. Suvorov and A. Teklu and M. Tzanov and E. Valencia and K. Wood and E. Worcester and N. Yershov},
journal= {arXiv preprint arXiv:2211.17037},
year = {2023}
}