氘核上近阈值 $\pi^-$ 光生反应
核实验
2020-03-25 v2
摘要
首次给出了氘核上非相干 光生反应 d -> pp 的近阈值截面的实验研究。实验技术涉及探测由靶中光生 的辐射俘获所产生的约 131 MeV 伽马射线。总截面使用非极化标记光子束、液氘靶和三个非常大的 NaI(Tl) 谱仪进行了测量。数据与理论模型进行比较，从而深入了解基本反应 n -> p 以及介子-核子和核子-核子末态相互作用。
引用
@article{arxiv.1812.03023,
title = {Near-threshold $\pi^-$ photoproduction on the deuteron},
author = {B. Strandberg and K. G. Fissum and J. R. M. Annand and W. J. Briscoe and J. Brudvik and F. Cividini and L. Clark and E. J. Downie and K. England and G. Feldman and D. I. Glazier and K. Hamilton and K. Hansen and L. Isaksson and R. Al Jebali and M. A. Kovash and A. E. Kudryavtsev and V. Lensky and S. Lipschutz and M. Lundin and M. Meshkian and D. G. Middleton and L. S. Myers and D. O'Donnell and G. V. O'Rielly and B. Oussena and M. F. Preston and B. Schröder and B. Seitz and I. I. Strakovsky and M. Taragin and V. E. Tarasov},
journal= {arXiv preprint arXiv:1812.03023},
year = {2020}
}
备注
8 pages, 6 figures, to be submitted to Physical Review C