射频腔体对正μ子加速
加速器物理
2025-06-19 v2 高能物理 - 实验
摘要
已演示了将正μ子从热能加速至 100 keV。通过共振多光子电离发射的μ中子原子（muonium）产生热μ子。随后，这些热μ子首先被电stonically 加速至 5.7 keV，然后通过射频四极形 Quadrupole 进行进一步加速至 100 keV。加速后μ子在水平面和垂直面上的归一化横向发散度分别为 mmmrad 和 mmmrad。测得的发散度值表明相空间缩小了 （水平）和 （垂直）倍，从而实现了良好的加速效率。这些结果为实现用于粒子物理、材料科学等领域的首个μ子加速器铺平了道路。
引用
@article{arxiv.2410.11367,
title = {Acceleration of positive muons by a radio-frequency cavity},
author = {S. Aritome and K. Futatsukawa and H. Hara and K. Hayasaka and Y. Ibaraki and T. Ichikawa and T. Iijima and H. Iinuma and Y. Ikedo and Y. Imai and K. Inami and K. Ishida and S. Kamal and S. Kamioka and N. Kawamura and M. Kimura and A. Koda and S. Koji and K. Kojima and A. Kondo and Y. Kondo and M. Kuzuba and R. Matsushita and T. Mibe and Y. Miyamoto and J. G. Nakamura and Y. Nakazawa and S. Ogawa and Y. Okazaki and A. Olin and M. Otani and S. Oyama and N. Saito and H. Sato and T. Sato and Y. Sato and K. Shimomura and Z. Shioya and P. Strasser and S. Sugiyama and K. Sumi and K. Suzuki and Y. Takeuchi and M. Tanida and J. Tojo and K. Ueda and S. Uetake and X. H. Xie and M. Yamada and S. Yamamoto and T. Yamazaki and K. Yamura and M. Yoshida and T. Yoshioka and M. Yotsuzuka},
journal= {arXiv preprint arXiv:2410.11367},
year = {2025}
}
备注
version accepted for publication in PRL