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arxiv: 1511.05050 · v2 · submitted 2015-11-16 · ✦ hep-th · hep-ph

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Off-Shell CHY Amplitudes

C.S. Lam , York-Peng Yao
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classification ✦ hep-th hep-ph
keywords amplitudesoff-shellon-shellsamebosoncachazo-he-yuanextendedformula
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The Cachazo-He-Yuan (CHY) formula for on-shell scattering amplitudes are extended off-shell. The off-shell amplitudes are M\"obius invariant, and have the same momentum poles as the on-shell amplitudes. The same technique is also used to obtain off-shell massive scalar and vector boson amplitudes.

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