First Optical Observation of Negative Ion Drift at Surface Pressure

CYGNO/INITIUM 项目团队利用光学读出时间投影室,在海平面气压下首次观测到 He:CF4_4:SF6_6混合气体中的负离子漂移现象,并通过波形分析揭示了主导离子与高速少数载流子共存的多物种漂移机制,为稀有事件探测的大规模低扩散光学 TPC 发展开辟了新路径。

F. D. Amaro, R. Antonietti, E. Baracchini, L. Benussi, C. Capoccia, M. Caponero, L. G. M. de Carvalho, G. Cavoto, I. A. Costa, A. Croce, M. D'Astolfo, G. D'Imperio, G. Dho, F. Di Giambattista, E. Di Marco, J. M. F. dos Santos, D. Fiorina, F. Iacoangeli, Z. Islam, H. P. Lima Jr., G. Maccarrone, R. D. P. Mano, D. J. G. Marques, G. Mazzitelli, P. Meloni, A. Messina, C. M. B. Monteiro, R. A. Nobrega, I. F. Pains, E. Paoletti, F. Petrucci, S. Piacentini, D. Pierluigi, D. Pinci, A. A. Prajapati, F. Renga, A. Russo, G. Saviano, P. A. O. C. Silva, N. J. C. Spooner, R. Tesauro, S. Tomassini, S. Torelli, D. TozziTue, 10 Ma🔬 physics

Detective Quantum Efficiency of the Timepix4 Hybrid Pixel Detector and its Application to Parallel-Beam Diffraction

该论文测量了 Timepix4 混合像素探测器在 100 kV 和 200 kV 透射电镜下的探测量子效率(DQE)和归一化噪声功率谱(NNPS),发现其在原始数据读出模式下零频 DQE 均超过 0.9,并展示了其在 200 kV 下对多晶金纳米颗粒样品进行平行束衍射时能够探测到 75 mrad 半角以外的弱衍射信息。

Zhiyuan Ding, Nina Dimova, Jonathan S. Barnard, Giulio Crevatin, Liam O'Ryan, Richard Plackett, Daniela Bortoletto, Angus I. Kirkland, Marcus Gallagher-JonesTue, 10 Ma🔬 cond-mat.mtrl-sci

Defect Detection in Magnetic Systems Using U-Net and Statistical Measures

该研究利用有限温度微磁模拟和 U-Net 语义分割模型,通过分析时间平均、标准差及潜在熵等统计特征,实现了在强热涨落和噪声干扰下对磁性材料(如 Ni80Fe20)中局部不均匀缺陷的鲁棒检测,并强调了训练数据需匹配预期噪声统计特性的重要性。

Ross Knapman, Atreya Majumdar, Nasim Bazazzadeh, Kübra Kalkan, Katharina Ollefs, Oliver Gutfleisch, Karin Everschor-SitteTue, 10 Ma🔬 cond-mat.mtrl-sci

Characterization of the Low Energy Excess using a NUCLEUS Al2O3Al_2O_3 detector

NUCLEUS 实验利用蓝宝石探测器对低能超出(LEE)现象进行了全面表征,发现其发生率与粒子本底水平无关,但受降温速率影响,且随时间演化的行为可用统一的幂律关系描述,这为未来的本底抑制策略提供了重要指导。

H. Abele (NUCLEUS Collaboration), G. Angloher (NUCLEUS Collaboration), B. Arnold (NUCLEUS Collaboration), M. Atzori Corona (NUCLEUS Collaboration), A. Bento (NUCLEUS Collaboration), E. Bossio (NUCLEUS Collaboration), F. Buchsteiner (NUCLEUS Collaboration), J. Burkhart (NUCLEUS Collaboration), F. Cappella (NUCLEUS Collaboration), M. Cappelli (NUCLEUS Collaboration), N. Casali (NUCLEUS Collaboration), R. Cerulli (NUCLEUS Collaboration), A. Cruciani (NUCLEUS Collaboration), G. Del Castello (NUCLEUS Collaboration), M. del Gallo Roccagiovine (NUCLEUS Collaboration), S. Dorer (NUCLEUS Collaboration), A. Erhart (NUCLEUS Collaboration), M. Friedl (NUCLEUS Collaboration), S. Fichtinger (NUCLEUS Collaboration), V. M. Ghete (NUCLEUS Collaboration), M. Giammei (NUCLEUS Collaboration), C. Goupy (NUCLEUS Collaboration), J. Hakenmüller (NUCLEUS Collaboration), D. Hauff (NUCLEUS Collaboration), F. Jeanneau (NUCLEUS Collaboration), E. Jericha (NUCLEUS Collaboration), M. Kaznacheeva (NUCLEUS Collaboration), H. Kluck (NUCLEUS Collaboration), A. Langenkämper (NUCLEUS Collaboration), T. Lasserre (NUCLEUS Collaboration), D. Lhuillier (NUCLEUS Collaboration), M. Mancuso (NUCLEUS Collaboration), R. Martin (NUCLEUS Collaboration), B. Mauri (NUCLEUS Collaboration), A. Mazzolari (NUCLEUS Collaboration), L. McCallin (NUCLEUS Collaboration), H. Neyrial (NUCLEUS Collaboration), C. Nones (NUCLEUS Collaboration), L. Oberauer (NUCLEUS Collaboration), L. Peters (NUCLEUS Collaboration), F. Petricca (NUCLEUS Collaboration), W. Potzel (NUCLEUS Collaboration), F. Pröbst (NUCLEUS Collaboration), F. Pucci (NUCLEUS Collaboration), F. Reindl (NUCLEUS Collaboration), M. Romagnoni (NUCLEUS Collaboration), J. Rothe (NUCLEUS Collaboration), N. Schermer (NUCLEUS Collaboration), J. Schieck (NUCLEUS Collaboration), S. Schönert (NUCLEUS Collaboration), C. Schwertner (NUCLEUS Collaboration), L. Scola (NUCLEUS Collaboration), G. Soum-Sidikov (NUCLEUS Collaboration), L. Stodolsky (NUCLEUS Collaboration), A. Schröder (NUCLEUS Collaboration), R. Strauss (NUCLEUS Collaboration), R. Thalmeier (NUCLEUS Collaboration), C. Tomei (NUCLEUS Collaboration), L. Valla (NUCLEUS Collaboration), M. Vignati (NUCLEUS Collaboration), M. Vivier (NUCLEUS Collaboration), A. Wallach (NUCLEUS Collaboration), P. Wasser (NUCLEUS Collaboration), A. Wex (NUCLEUS Collaboration), L. Wienke (NUCLEUS Collaboration)Tue, 10 Ma🔬 physics

Broad frequency tuning of a Nb3_{3}Sn superconducting microwave cavity for dark matter searches

该研究展示了一种用于暗物质搜索的铌三锡超导微波腔的新型宽带调谐机制,通过机械分离腔体实现超过 1 GHz 的连续频率调谐,同时保持高品质因数,且无需在谐振腔内插入任何元件。

D. Maiello, R. Di Vora, D. Ahn, G. Carugno, R. Cervantes, B. Giaccone, A. Ortolan, S. Posen, G. Ruoso, G. Sardo Infirri, B. Tennis, S. Tocci, C. BraggioTue, 10 Ma🔬 physics

Design and optimisation of linear variable differential transformers and voice coil actuators using finite element analysis: a methodical approach to enhance sensor response and actuation force

本研究提出了一种基于有限元分析的系统化设计与优化方法,通过统一设计线性可变差动变压器(LVDT)传感器与音圈(VC)致动器,在严格的几何和热约束下显著提升了引力波探测器等高精度应用中的传感器响应与致动力性能,并经由实验验证了该方法的可行性。

Kumar Akhil Kukkadapu, Hans Van Haevermaet, Wim Beaumont, Nick van RemortelTue, 10 Ma🔬 physics

Picosecond Precision Heavy-Ion Detector for {\Lambda} Hypernuclei Lifetime Studies

本文介绍了一种利用 10 皮秒分辨率射频计时技术设计的新型重离子探测器,旨在通过延迟裂变探测有效抑制本底并精确测量重Λ\Lambda超核的寿命,其设计可行性已通过激光同步测试、α\alpha粒子实验及蒙特卡洛模拟得到验证。

Simon Zhamkochyan, Sergey Abrahamyan, Amur Margaryan, Hayk Elbakyan, Aram Kakoyan, Samvel Mayilyan, Artashes Papyan, Hasmik Rostomyan, Anna Safaryan, Gagik Sughyan, Narek Margaryan, Garnik Ayvazyan, John Annand, Kenneth Livingston, Rachel Montgomery, Patrick Achenbach, Josef Pochodzalla, Dimiter Balabanski, Satoshi Nakamura, Ani Aprahamian, Vanik KakoyanThu, 12 Ma🔬 physics

Development of a dual-phase xenon time projection chamber prototype for the RELICS experiment

本文介绍了 RELICS 实验为验证相干弹性中微子 - 原子核散射探测概念而研制的双相氙时间投影室原型机,详细阐述了其设计、构建及运行性能,并证实了该原型机成功实现了亚 keV 能量阈值,确立了未来实验的技术可行性与方法学基础。

Lingfeng Xie (RELICS Collaboration), Jiajun Liu (RELICS Collaboration), Yifei Zhao (RELICS Collaboration), Chang Cai (RELICS Collaboration), Guocai Chen (RELICS Collaboration), Jiangyu Chen (RELICS Collaboration), Huayu Dai (RELICS Collaboration), Rundong Fang (RELICS Collaboration), Hongrui Gao (RELICS Collaboration), Fei Gao (RELICS Collaboration), Jingfan Gu (RELICS Collaboration), Xiaoran Guo (RELICS Collaboration), Jiheng Guo (RELICS Collaboration), Chengjie Jia (RELICS Collaboration), Gaojun Jin (RELICS Collaboration), Fali Ju (RELICS Collaboration), Yanzhou Hao (RELICS Collaboration), Xu Han (RELICS Collaboration), Yang Lei (RELICS Collaboration), Kaihang Li (RELICS Collaboration), Meng Li (RELICS Collaboration), Minhua Li (RELICS Collaboration), Ruize Li (RELICS Collaboration), Shengchao Li (RELICS Collaboration), Siyin Li (RELICS Collaboration), Tao Li (RELICS Collaboration), Qing Lin (RELICS Collaboration), Sheng Lv (RELICS Collaboration), Guang Luo (RELICS Collaboration), Yuanyuan Ren (RELICS Collaboration), Chuanping Shen (RELICS Collaboration), Mingzhuo Song (RELICS Collaboration), Lijun Tong (RELICS Collaboration), Yuhuang Wan (RELICS Collaboration), Xiaoyu Wang (RELICS Collaboration), Wei Wang (RELICS Collaboration), Xiaoping Wang (RELICS Collaboration), Zihu Wang (RELICS Collaboration), Yuehuan Wei (RELICS Collaboration), Liming Weng (RELICS Collaboration), Xiang Xiao (RELICS Collaboration), Yikai Xu (RELICS Collaboration), Jijun Yang (RELICS Collaboration), Litao Yang (RELICS Collaboration), Long Yang (RELICS Collaboration), Jingqiang Ye (RELICS Collaboration), Jiachen Yu (RELICS Collaboration), Qian Yue (RELICS Collaboration), Yuyong Yue (RELICS Collaboration), Tianyuan Zha (RELICS Collaboration), Bingwei Zhang (RELICS Collaboration), Yuming Zhang (RELICS Collaboration), Chenhui Zhu (RELICS Collaboration)Thu, 12 Ma⚛️ hep-ex

Validation of the COSINE-100U NaI(Tl) Encapsulation for Low-Temperature Operation in Liquid Scintillator

该论文通过长期稳定性测试证实,COSINE-100U 升级计划中用于液闪环境的 NaI(Tl) 探测器封装在 -33°C 低温下表现出优异的化学与机械稳定性,未出现性能退化,从而验证了其适用于未来的物理运行。

Kihong Park, Sungjin Cho, Luis Eduardo Franca, Chang Hyon Ha, Jinyoung Kim, Kyungwon Kim, SungHyun Kim, Won Kyung Kim, Young Ju Ko, Doohyeok Lee, Hyunsu Lee, InSoo Lee, Seo Hyun Lee, Sedong Park, Gyunho YuThu, 12 Ma⚛️ hep-ex

Machine Learning on Heterogeneous, Edge, and Quantum Hardware for Particle Physics (ML-HEQUPP)

这篇白皮书提出了一项社区驱动的愿景,旨在通过整合人工智能、硅微电子和量子计算等新兴技术,优先研发面向下一代粒子物理实验的硬件机器学习系统,以应对前所未有的数据速率、极端环境及实时处理挑战。

Julia Gonski (Sunny), Jenni Ott (Sunny), Shiva Abbaszadeh (Sunny), Sagar Addepalli (Sunny), Matteo Cremonesi (Sunny), Jennet Dickinson (Sunny), Giuseppe Di Guglielmo (Sunny), Erdem Yigit Ertorer (Sunny), Lindsey Gray (Sunny), Ryan Herbst (Sunny), Christian Herwig (Sunny), Tae Min Hong (Sunny), Benedikt Maier (Sunny), Maryam Bayat Makou (Sunny), David Miller (Sunny), Mark S. Neubauer (Sunny), Cristián Peña (Sunny), Dylan Rankin (Sunny), Seon-Hee (Sunny), Seo, Giordon Stark, Alexander Tapper, Audrey Corbeil Therrien, Ioannis Xiotidis, Keisuke Yoshihara, G Abarajithan, Sagar Addepalli, Nural Akchurin, Carlos Argüelles, Saptaparna Bhattacharya, Lorenzo Borella, Christian Boutan, Tom Braine, James Brau, Martin Breidenbach, Antonio Chahine, Talal Ahmed Chowdhury, Yuan-Tang Chou, Seokju Chung, Alberto Coppi, Mariarosaria D'Alfonso, Abhilasha Dave, Chance Desmet, Angela Di Fulvio, Karri DiPetrillo, Javier Duarte, Auralee Edelen, Jan Eysermans, Yongbin Feng, Emmett Forrestel, Dolores Garcia, Loredana Gastaldo, Julián García Pardiñas, Lino Gerlach, Loukas Gouskos, Katya Govorkova, Carl Grace, Christopher Grant, Philip Harris, Ciaran Hasnip, Timon Heim, Abraham Holtermann, Tae Min Hong, Gian Michele Innocenti, Koji Ishidoshiro, Miaochen Jin, Jyothisraj Johnson, Stephen Jones, Andreas Jung, Georgia Karagiorgi, Ryan Kastner, Nicholas Kamp, Doojin Kim, Kyoungchul Kong, Katie Kudela, Jelena Lalic, Bo-Cheng Lai, Yun-Tsung Lai, Tommy Lam, Jeffrey Lazar, Aobo Li, Zepeng Li, Haoyun Liu, Vladimir Lončar, Luca Macchiarulo, Christopher Madrid, Benedikt Maier, Zhenghua Ma, Prashansa Mukim, Mark S. Neubauer, Victoria Nguyen, Sungbin Oh, Isobel Ojalvo, Hideyoshi Ozaki, Simone Pagan Griso, Myeonghun Park, Christoph Paus, Santosh Parajuli, Benjamin Parpillon, Sara Pozzi, Ema Puljak, Benjamin Ramhorst, Amy Roberts, Larry Ruckman, Kate Scholberg, Sebastian Schmitt, Noah Singer, Eluned Anne Smith, Alexandre Sousa, Michael Spannowsky, Sioni Summers, Yanwen Sun, Daniel Tapia Takaki, Antonino Tumeo, Caterina Vernieri, Belina von Krosigk, Yash Vora, Linyan Wan, Michael H. L. S. Wang, Amanda Weinstein, Andy White, Simon Williams, Felix YuThu, 12 Ma⚛️ hep-ex