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most citedAlgebraic Consistency and Explicit Construction of One-Loop BCJ Numerators of Yang-Mills and Related Theories

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hep-th2024

Extracting quadratic propagators by refined graphic rule

Chongsi Xie, Yi-Jian Du

One-loop integrands in Cachazo-He-Yuan (CHY) formula, which is based on the forward limit of tree-level amplitudes, involves linear propagators that are different from quadratic on…