含非弹性效应的中子-质子系统相对论性可分离相互作用核
核理论
2011-06-23 v1
摘要
在协变Bethe-Salpeter框架下,提出了相对论性复可分离中子-质子相互作用核。考虑了总角动量J=0,1的非耦合分波态。先前构建的多秩可分离势为实值,因此仅能描述散射的弹性部分(相移、低能参数等)。非弹性参数的描述则源于引入其中的虚部。为获得复势的参数,使用了最高达3 GeV的弹性中子-质子散射实验数据。讨论了^3P_0^+分波态中双重子共振的信号。
引用
@article{arxiv.1106.4478,
title = {Relativistic separable interaction kernel of the neutron-proton system with inelasticities},
author = {S. G. Bondarenko and V. V. Burov and E. P. Rogochaya},
journal= {arXiv preprint arXiv:1106.4478},
year = {2011}
}
备注
7 pages, 5 figures, 2 tables; to be published in Proceedings of the XX International Baldin Seminar on High Energy Physics Problems "Relativistic Nuclear Physics and Quantum Chromodynamics"