LUX-ZEPLIN探测器中少电子背景的研究
仪器与探测器
2026-03-20 v2 高能物理 - 实验
摘要
LUX-ZEPLIN（LZ）实验旨在探测暗物质粒子与氦气之间的稀有相互作用。虽然探测器被设计为对GeV/--TeV/弱相互作用巨型粒子（WIMP）最灵敏，但它也能够测量低能电子信号，最低可达单个电子，这可能由亚GeV/暗物质散射产生。利用这一灵敏度的主要挑战在于理解和抑制少电子 regime 中的离子化背景。我们报告了对LZ探测器在不同探测器条件下，能量沉积后延迟电子背景的表征。此外，我们量化了光子在与高压网格电子发射同步发生时被发射的概率。随后，我们展示了利用同步光子标签，可以高效识别并拒绝自发网格电子发射，为未来暗物质搜索提高了灵敏度。
引用
@article{arxiv.2510.06500,
title = {Study of few-electron backgrounds in the LUX-ZEPLIN detector},
author = {D. S. Akerib and A. K. Al Musalhi and F. Alder and B. J. Almquist and C. S. Amarasinghe and A. Ames and T. J. Anderson and N. Angelides and H. M. Araújo and J. E. Armstrong and M. Arthurs and A. Baker and S. Balashov and J. Bang and J. W. Bargemann and E. E. Barillier and K. Beattie and T. Benson and A. Bhatti and T. P. Biesiadzinski and H. J. Birch and E. Bishop and G. M. Blockinger and B. Boxer and C. A. J. Brew and P. Brás and S. Burdin and M. C. Carmona-Benitez and M. Carter and A. Chawla and H. Chen and Y. T. Chin and N. I. Chott and S. Contreras and M. V. Converse and R. Coronel and A. Cottle and G. Cox and D. Curran and C. E. Dahl and I. Darlington and S. Dave and A. David and J. Delgaudio and S. Dey and L. de Viveiros and L. Di Felice and C. Ding and J. E. Y. Dobson and E. Druszkiewicz and S. Dubey and C. L. Dunbar and S. R. Eriksen and A. Fan and N. M. Fearon and N. Fieldhouse and S. Fiorucci and H. Flaecher and E. D. Fraser and T. M. A. Fruth and R. J. Gaitskell and A. Geffre and J. Genovesi and C. Ghag and A. Ghosh and S. Ghosh and R. Gibbons and S. Gokhale and J. Green and M. G. D. van der Grinten and J. J. Haiston and C. R. Hall and T. Hall and S. J. Haselschwardt and M. A. Hernandez and S. A. Hertel and G. J. Homenides and M. Horn and D. Q. Huang and D. Hunt and E. Jacquet and R. S. James and K. Jenkins and A. C. Kaboth and A. C. Kamaha and M. K. Kannichankandy and D. Khaitan and A. Khazov and J. Kim and Y. D. Kim and J. Kingston and D. Kodroff and E. V. Korolkova and H. Kraus and S. Kravitz and L. Kreczko and V. A. Kudryavtsev and C. Lawes and D. S. Leonard and K. T. Lesko and C. Levy and J. Lin and A. Lindote and W. H. Lippincott and J. Long and M. I. Lopes and W. Lorenzon and C. Lu and S. Luitz and P. A. Majewski and A. Manalaysay and R. L. Mannino and C. Maupin and M. E. McCarthy and D. N. McKinsey and J. McLaughlin and J. B. McLaughlin and R. McMonigle and B. Mitra and E. Mizrachi and M. E. Monzani and E. Morrison and B. J. Mount and M. Murdy and A. St. J. Murphy and H. N. Nelson and F. Neves and A. Nguyen and C. L. O'Brien and F. H. O'Shea and I. Olcina and K. C. Oliver-Mallory and J. Orpwood and K. Y Oyulmaz and K. J. Palladino and N. J. Pannifer and N. Parveen and S. J. Patton and B. Penning and G. Pereira and E. Perry and T. Pershing and A. Piepke and S. S. Poudel and Y. Qie and J. Reichenbacher and C. A. Rhyne and G. R. C. Rischbieter and E. Ritchey and H. S. Riyat and R. Rosero and T. Rushton and D. Rynders and S. Saltão and D. Santone and A. B. M. R. Sazzad and R. W. Schnee and G. Sehr and B. Shafer and S. Shaw and K. Shi and T. Shutt and C. Silva and G. Sinev and J. Siniscalco and A. M. Slivar and R. Smith and V. N. Solovov and P. Sorensen and J. Soria and A. Stevens and T. J. Sumner and A. Swain and M. Szydagis and D. R. Tiedt and M. Timalsina and Z. Tong and D. R. Tovey and J. Tranter and M. Trask and K. Trengove and M. Tripathi and A. Usón and A. C. Vaitkus and O. Valentino and V. Velan and A. Wang and J. J. Wang and Y. Wang and L. Weeldreyer and T. J. Whitis and K. Wild and M. Williams and J. Winnicki and L. Wolf and F. L. H. Wolfs and S. Woodford and D. Woodward and C. J. Wright and Q. Xia and J. Xu and Y. Xu and M. Yeh and D. Yeum and W. Zha and H. Zhang and T. Zhang},
journal= {arXiv preprint arXiv:2510.06500},
year = {2026}
}
备注
13 pages, 9 figures