Charge-symmetry-breaking three-nucleon forces

Charge-symmetry-breaking three-nucleon forces
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电荷对称性破缺三核力

DOI:
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发表时间:
2004
期刊:
影响因子:
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通讯作者:
U. V. Kolck
U. V. Kolck
中科院分区:
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文献类型:
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作者:
J. Friar;G. Payne;U. V. Kolck

文献摘要

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在重重子手征微扰理论中,计算了违反同位旋对称性的三核子力。用Faddeev方法研究了三核系统中电荷对称性破缺三核子力的影响。我们发现,这个力对保证{-}^{3}{3}{H}的结合能差的贡献是由$ensuremath{Delta}{E}_{3mathrm{NF}}^{mathrm{CSB}}ensuremath{approx}5$kev给出的。
Leading-order three-nucleon forces that violate isospin symmetry are calculated in heavy-baryon chiral perturbation theory. The effect of the charge-symmetry-breaking three-nucleon force is investigated in the trinucleon systems using Faddeev calculations. We find that the contribution of this force to the $^{3}mathrm{He}ensuremath{-}^{3}mathrm{H}$ binding-energy difference is given by $ensuremath{Delta}{E}_{3mathrm{NF}}^{mathrm{CSB}}ensuremath{approx}5$ keV.