arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1402.5441nucl-th
收藏

无介子有效场论中次领先阶的${}^{3}\mathrm{He}$和$pd$散射

${}^{3}\mathrm{He}$ and $pd$ Scattering to Next-to-Leading Order in Pionless Effective Field Theory

Jared Vanasse, David A. Egolf, John Kerin, Sebastian König, Roxanne P. Springer

摘要:

我们研究了三体系统的${}^{3}\mathrm{He}$和$pd$散射,并证明,无论是解析和数值,一个新的$pd$三体力是需要在次领先的顺序在无介子有效场论。我们还表明,在领先的顺序,这些可观的需要没有新的三体力量以外的是必要的描述$nd$散射。我们包括电磁效应的迭代图,只涉及一个单光子交换的三体部门。

英文摘要:

We study the three-body systems of ${}^{3}\mathrm{He}$ and $pd$ scattering and demonstrate, both analytically and numerically, that a new $pd$ three-body force is needed at next-to-leading order in pionless effective field theory. We also show that at leading order these observables require no new three-body force beyond what is necessary to describe $nd$ scattering. We include electromagnetic effects by iterating only diagrams that involve a single photon exchange in the three-body sector.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑