中微子衍射散射中轴向流部分守恒的恢复
Recovering partial conservation of axial current in diffractive neutrino scattering
摘要：
本文用手征强子流来描述中微子衍射散射的模型，手征强子流在π介子质量为零的极限下是守恒的。该电流具有正确的奇异性结构，自然不会导致与轴向电流部分守恒（PCAC）的矛盾。在这方面，我们不同于文献中的早期工作，其中已报告的PCAC的故障。我们表明，这种故障的PCAC是一个人工制品的强子电流不守恒的模型开发有。
英文摘要：
A model of diffractive neutrino scattering is formulated in terms of the chiral hadronic current which is conserved in the limit of vanishing pion mass. This current has the correct singularity structure and, naturally, does not lead to contradictions with a partial conservation of the axial current (PCAC). In that respect we differ from earlier work in the literature, where a breakdown of PCAC had been reported. We show that such a breakdown of PCAC is an artifact of the hadronic current non-conservation in the model developed there.
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