电荷小于 $e/6$ 的轻电离粒子的首个直接限制
高能物理 - 实验
2015-03-25 v2 宇宙学与河外天体物理
高能天体物理现象
仪器与探测器
摘要
虽然粒子物理标准模型不包含带分数电荷的自由粒子，但实验搜索尚未排除其存在的可能性。我们报告了低温暗物质搜索（CDMS II）实验的结果，给出了对宇宙射线产生的、电荷低于 /6 的相对论性粒子的首个直接探测限制。通过对两个 CDMS II 塔中每个塔的六个堆叠探测器进行径迹搜索，未发现候选事例，从而排除了电荷介于 /6 和 /200 之间粒子的新参数空间。
引用
@article{arxiv.1409.3270,
title = {First direct limits on Lightly Ionizing Particles with electric charge less than $e/6$},
author = {R. Agnese and A. J. Anderson and D. Balakishiyeva and R. Basu Thakur and D. A. Bauer and J. Billard and A. Borgland and M. A. Bowles and D. Brandt and P. L. Brink and R. Bunker and B. Cabrera and D. O. Caldwell and D. G. Cerdeno and H. Chagani and Y. Chen and J. Cooley and B. Cornell and C. H. Crewdson and P. Cushman and M. Daal and P. C. F. Di Stefano and T. Doughty and L. Esteban and S. Fallows and E. Figueroa-Feliciano and G. L. Godfrey and S. R. Golwala and J. Hall and H. R. Harris and S. A. Hertel and T. Hofer and D. Holmgren and L. Hsu and M. E. Huber and A. Jastram and O. Kamaev and B. Kara and M. H. Kelsey and A. Kennedy and M. Kiveni and K. Koch and A. Leder and B. Loer and E. Lopez Asamar and R. Mahapatra and V. Mandic and C. Martinez and K. A. McCarthy and N. Mirabolfathi and R. A. Moffatt and D. C. Moore and H. Nelson and R. H. Nelson and R. W. Ogburn and K. Page and W. A. Page and R. Partridge and M. Pepin and A. Phipps and K. Prasad and M. Pyle and H. Qiu and W. Rau and P. Redl and A. Reisetter and Y. Ricci and H. E. Rogers and T. Saab and B. Sadoulet and J. Sander and K. Schneck and R. W. Schnee and S. Scorza and B. Serfass and B. Shank and D. Speller and S. Upadhyayula and A. N. Villano and B. Welliver and D. H. Wright and S. Yellin and J. J. Yen and B. A. Young and J. Zhang},
journal= {arXiv preprint arXiv:1409.3270},
year = {2015}
}
备注
5 pages, 6 figures, submitted to PRL