关于氘核的Gerasimov-Drell-Hearn求和规则
核理论
2015-06-26 v1
摘要
通过对至550 MeV的显式积分,并包含光致蜕变道以及相干与非相干单π产生贡献,对氘核的Gerasimov-Drell-Hearn求和规则进行了求值。光致蜕变道在该能区内收敛足够快,并给出巨大的负贡献,本质上来自阈附近的 共振态。其绝对值约与质子和中子GDH值之和相当。它仅被单π产生贡献部分抵消。但非相干道在550 MeV处尚未收敛。
引用
@article{arxiv.nucl-th/9710034,
title = {On the Gerasimov-Drell-Hearn sum rule for the deuteron},
author = {H. Arenhoevel and G. Kress and R. Schmidt and P. Wilhelm},
journal= {arXiv preprint arXiv:nucl-th/9710034},
year = {2015}
}
备注
6 pages latex including 3 postscript figures, talk at the 15th Int. Conf. on Few-Body Problems in Physics, Groningen, Netherlands, 22-26 July 1997. To be published in Nucl. Phys. A