Low energy pion-nucleon scattering

Low energy pion-nucleon scattering
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DOI:
10.1016/0370-2693(67)90309-7
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发表时间:
1967-04
期刊:
影响因子:
4.4
通讯作者:
H. Banerjee;B. Dutta-Roy
H. Banerjee;B. Dutta-Roy
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
H. Banerjee;B. Dutta-Roy

文献摘要

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基于近期 s 波 π-N 散射长度推导中隐含的动力学假设,我们获得了 π-N 前向色散关系中 π-N 耦合常数和减法常数的求和规则。我们对这些数量的估计与他们最近的实验测定非常一致。
On the basis of dynamical assumptions implicit in recent derivations of the s-wave π-N scattering lengths we obtain sum rules for the π-N coupling constant and the subtraction constant in the π-N forward dispersion relations. Our estimates for these quantities are in excellent agreement with their recent experimental determination.