方框图无交叉族表示法的推导

Proceedings of 16th International Symposium on Radiative Corrections: Applications of Quantum Field Theory to Phenomenology — PoS(RADCOR2023) Pub Date : 2023-11-24 DOI:10.22323/1.432.0027

Zeno Capatti

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引用次数: 0

摘要

我详细推导了盒图的无交叉族（CFF）表示法，并强调了其与时间有序扰动理论（TOPT）表示法的不同之处。我还简要讨论了该图的阈值奇点结构的含义。

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Derivation of the Cross-Free Family representation for the box diagram

I work out in full detail the derivation of the Cross-Free Family (CFF) representation for the box diagram, and highlight the differences with its Time Ordered Perturbation Theory (TOPT) representation. I briefly discuss implications for the threshold singularity structure of the diagram.

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来源期刊

Proceedings of 16th International Symposium on Radiative Corrections: Applications of Quantum Field Theory to Phenomenology — PoS(RADCOR2023)

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