低能π-核子相互作用的基本性质
核理论
2022-09-07 v2 核实验
摘要
本文对低能π-核子相互作用进行了历史回顾，旨在以入门性、教学性的方式聚焦于与当前研究相关的问题。这些主题包括手征有效场论的使用、sigma项、低能相移的定性理解、Δ共振的物理性质以及同位旋破坏。一个主题是低能π-核子散射通过有效场论与QCD直接相关。另一个主题是关于π-核子sigma项和同位旋破坏研究的现代需求需要更好的低能数据集。
引用
@article{arxiv.2208.12873,
title = {The Fundamental Nature of Low-Energy Pion-Nucleon Interactions},
author = {Gerald A. Miller},
journal= {arXiv preprint arXiv:2208.12873},
year = {2022}
}
备注
16 pages, 7 figures, prepared as a chapter of the book "75 Years of Pion" edited by Igor Strakovsky, Alexey Petrov, and Nicolai Popov. arXiv admin note: text overlap with arXiv:2205.01108, arXiv:0907.4569, arXiv:2111.09849 by other authors. Those authors are cited. This version has several improvements