ReD 与 ReD+ 对氦气 recoils 在 keV 尺度的表征
高能物理 - 实验
2026-04-20 v1
摘要
ReD 实验使用由 Cf-252 裂变源产生的中子照射的双相 Time Projection Chamber，测量了氦气在 2-10 keV 范围内的核 recoils 的 ionizaton yield Qy。该测量扩展了 7 keV 以下的覆盖范围，确认了 7 keV 以上数据与先前结果的一致性，并指出较低能量处的 Qy 更高。这些结果对于寻找以低质量 Weakly Interacting Massive Particles 形式的暗物质的氦气基实验非常重要，这类实验对该能量范围内探测器响应建模极为敏感。
引用
@article{arxiv.2602.14538,
title = {Characterization of argon recoils at the keV scale with ReD and ReD+},
author = {L. Pandola and P. Agnes and I. Ahmad and S. Albergo and I. Albuquerque and M. Atzori Corona and M. Ave and B. Bottino and M. Cadeddu and A. Caminata and N. Canci and M. Caravati and L. Consiglio and S. Davini and M. De Napoli and L. K. S. Dias and G. Dolganov and G. Fiorillo and D. Franco and M. Gulino and T. Hessel and N. Kemmerich and M. Kimura and M. Kuźniak and M. La Commara and J. Machts and G. Matteucci and E. Moura Santos and E. Nikoloudaki and V. Oleynikov and R. Perez Varona and N. Pino and S. M. R. Puglia and M. Rescigno and D. Sablone and B. Sales Costa and S. Sanfilippo and C. Sunny and Y. Suvorov and R. Tartaglia and G. Testera and A. Tricomi and M. Wada and Y. Wang and R. Wojaczyński and P. Zakhary},
journal= {arXiv preprint arXiv:2602.14538},
year = {2026}
}
备注
Contribution for the Proceedings of LIght Detection In Noble Elements - LIDINE 2025, accepted for publication on JINST