Spinor-helicity three-point amplitudes from local cubic interactions

Eduardo Conde; Euihun Joung; Karapet Mkrtchyan

doi:10.1007/JHEP08(2016)040

Spinor-helicity three-point amplitudes from local cubic interactions

Eduardo Conde, Euihun Joung, Karapet Mkrtchyan

Research output: Contribution to journal › Article › peer-review

91 Citations (Scopus)

Abstract

We make an explicit link between the cubic interactions of off-shell fields and the on-shell three-point amplitudes in four dimensions. Both the cubic interactions and the on-shell three-point amplitudes had been independently classified in the literature, but their relation has not been made explicit. The aim of this note is to provide such a relation and discuss similarities and differences of their constructions. For the completeness of our analysis, we also derive the covariant form of all parity-odd massless vertices.

Original language	English
Article number	40
Journal	Journal of High Energy Physics
Volume	2016
Issue number	8
DOIs	https://doi.org/10.1007/JHEP08(2016)040
Publication status	Published - 1 Aug 2016

Bibliographical note

Publisher Copyright:
© 2016, The Author(s).

Keywords

Higher Spin Gravity
Scattering Amplitudes

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10.1007/JHEP08(2016)040

Cite this

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abstract = "We make an explicit link between the cubic interactions of off-shell fields and the on-shell three-point amplitudes in four dimensions. Both the cubic interactions and the on-shell three-point amplitudes had been independently classified in the literature, but their relation has not been made explicit. The aim of this note is to provide such a relation and discuss similarities and differences of their constructions. For the completeness of our analysis, we also derive the covariant form of all parity-odd massless vertices.",

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AU - Joung, Euihun

AU - Mkrtchyan, Karapet

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N2 - We make an explicit link between the cubic interactions of off-shell fields and the on-shell three-point amplitudes in four dimensions. Both the cubic interactions and the on-shell three-point amplitudes had been independently classified in the literature, but their relation has not been made explicit. The aim of this note is to provide such a relation and discuss similarities and differences of their constructions. For the completeness of our analysis, we also derive the covariant form of all parity-odd massless vertices.

AB - We make an explicit link between the cubic interactions of off-shell fields and the on-shell three-point amplitudes in four dimensions. Both the cubic interactions and the on-shell three-point amplitudes had been independently classified in the literature, but their relation has not been made explicit. The aim of this note is to provide such a relation and discuss similarities and differences of their constructions. For the completeness of our analysis, we also derive the covariant form of all parity-odd massless vertices.

KW - Higher Spin Gravity

KW - Scattering Amplitudes

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JO - Journal of High Energy Physics

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IS - 8

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ER -

Spinor-helicity three-point amplitudes from local cubic interactions

Abstract

Bibliographical note

Keywords

Access to Document

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