LHCspin：面向 LHC 的极化气体靶标
高能物理 - 实验
2025-04-23 v1
摘要
LHCspin 项目旨在开发创新解决方案，以在 LHC 高能极化固定靶碰撞中测量核子三维结构，探索新过程并利用新探针在独特、尚未探索的动力学区间。精确的多维核子结构描述实际上有潜力深化我们对强相互作用的理解，并为测量标准模型及超标准模型可观测量提供更精确的框架。此宏伟目标建立在近期成功安装和运行 SMOG2 非极化气体靶标在 LHCb 光谱仪前的经验基础上。除了允许从星体物理到重离子物理的有趣物理研究外，SMOG2 也是研究 LHC 束流-靶标动力学的理想基准，证明了在束流-束流碰撞中同时运行的可行性。在安装提议的极化靶标系统后，LHCb 将成为首个在 =14 TeV 的非极化束流-束流碰撞与 100 GeV 的极化和非极化束流-靶标碰撞中同步收集数据的实验。LHCspin 有潜力通过利用世界上最强大的碰撞器和一个最先进的光谱仪的能力，开启物理学的新前沿。本文件还强调了在 LHC 相互作用区域 4 进行 R&D 工作和装置调试的必要性，以及在 Run 4 期间的 commissioning。此机会也可能允许在前所未有的条件下进行初步物理测量。
引用
@article{arxiv.2504.16034,
title = {LHCspin: a Polarized Gas Target for LHC},
author = {A. Accardi and A. Bacchetta and L. Barion and G. Bedeschi and V. Benesova and S. Bertelli and V. Bertone and C. Bissolotti and M. Boglione and G. Bozzi and N. Bundaleski and V. Carassiti and F. G. Celiberto and Z. Chen and G. Ciullo and M. Constantinou and P. Costa Pinto and A. Courtoy and U. D'Alesio and C. De Angelis and E. De Lucia and I. Denisenko and P. Di Nezza and M. Diehl and F. Donato and N. Doshita and O. M. N. Duarte Teodoro and M. G. Echevarria and T. El-Kordy and R. Engels and F. Fabiano and I. P. Fernando and M. Ferro-Luzzi and C. Flore and L. Gamberg and G. R. Goldstein and J. O. Gonzalez-Hernandez and B. Gou and A. Gridin and A. Guskov and C. Hadjidakis and V. Hejny and T. Iwata and D. Keller and N. Koch and A. Kotzinian and J. P. Lansberg and P. Lenisa and X. Li and H. W. Lin and S. Liuti and R. Longo and M. Maggiora and G. Manca and S. Mariani and J. Matousek and T. Matsuda and A. Metz and M. Mirazita and Y. Miyachi and A. Movsisyan and F. Murgia and A. Nass and E. R. Nocera and C. Oppedisano and L. L. Pappalardo and B. Parsamyan and B. Pasquini and M. Pesek and A. Piccoli and C. Pisano and D. Pitonyak and J. Pretz and A. Prokudin and M. Radici and F. Rathmann and M. Rotondo and M. Santimaria and G. Schnell and R. Shankar and A. Signori and D. Sivers and S. Squerzanti and M. Stancari and E. Steffens and L. Sun and H. Suzuki and G. Tagliente and F. Tessarotto and C. Van Hulse and Q. Xu and Z. Ye and J. Zhang},
journal= {arXiv preprint arXiv:2504.16034},
year = {2025}
}