自由空间中 eta'-质子散射长度的测定
核实验
2014-08-13 v2
摘要
利用 COSY-11 探测器的高质量分辨率和冷却同步加速器 COSY 低发射度质子束的高能量分辨率，我们测定了接近阈值的 pp --> pp eta' 反应的激发函数。将这些数据与先前结果相结合，我们提取了自由空间中 eta'-质子势的散射长度，结果为 Re(a_{p eta'}) = 0+-0.43 fm 和 Im(a_{p eta'}) = 0.37(+0.40)(-0.16) fm。
引用
@article{arxiv.1404.5436,
title = {Determination of the eta'-proton scattering length in free space},
author = {E. Czerwinski and P. Moskal and M. Silarski and S. D. Bass and D. Grzonka and B. Kamys and A. Khoukaz and J. Klaja and W. Krzemien and W. Oelert and J. Ritman and T. Sefzick and J. Smyrski and A. Taschner and M. Wolke and M. Zielinski},
journal= {arXiv preprint arXiv:1404.5436},
year = {2014}
}
备注
5 pages, 3 figures, accepted for publication in Phys. Rev. Lett