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7 papers
New multiple soft theorem from split-helicity amplitude decomposition
Andriniaina Narindra Rasoanaivo, Fanomezantsoa Arlivah Andriantsarafara
We investigate the soft decomposition of tree-level gluon amplitudes with split-helicity configurations. First, we show how any split-helicity amplitude can be fully fixed from inv…
Universality of the Weinberg theorem using helicity constraints
Valimbavaka F. Rabearinoro, Andriniaina N. Rasoanaivo, Roland Raboanary
The factorisation of scattering amplitude is described by the Weinberg theorem. In this talk, we will show the universality of the theorem at the next leading correction of the sof…
Inverse soft limit construction of QCD amplitude
Andriniaina Narindra Rasoanaivo
QCD amplitudes are one of the most important ingredients for the understanding of the early universe. In this work we present how the knowledge of the asymptotic states can be used…
Weinberg's 2-factor from helicity constraints
F. A. Andriantsarafara, A. N. Rasoanaivo
Scattering amplitudes connect theoretical descriptions to experimental predictions. Low energy terms of the scattering amplitude tend to factorize from the high energy. Different m…
Scattering amplitude and its soft decomposition
Andriniaina Narindra Rasoanaivo
In the pure scattering theory, the universality of the soft limit has been studied for a long time. In this talk we review the property of soft limit to relate an -point amplitu…
Helicity Constraints To Soft Factor Of All Spin
Andriniaina Narindra Rasoanaivo
In this note we derive a set of non-perturbative constraints for soft operators from the Wigner's little group scaling of scattering amplitudes in a soft limit. We also show that t…