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Journal Articles Journal of High Energy Physics Year : 2019

Massive higher spins: effective theory and consistency

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Abstract

We construct the effective field theory for a single massive higher-spin particle in flat spacetime. Positivity bounds of the S-matrix force the cutoff of the theory to be well below the naive strong-coupling scale, forbid any potential and make therefore higher-derivative operators important even at low energy. As interesting application, we discuss in detail the massive spin-3 theory and show that an extended Galileon-like symmetry of the longitudinal modes, even with spin, emerges at high energy.
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Dates and versions

cea-02438444 , version 1 (03-04-2019)
cea-02438444 , version 2 (14-01-2020)
cea-02438444 , version 3 (17-10-2022)

Licence

Attribution - CC BY 4.0

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Brando Bellazzini, Francesco Riva, Javi Serra, Francesco Sgarlata. Massive higher spins: effective theory and consistency. Journal of High Energy Physics, 2019, 2019, pp.189. ⟨10.1007/JHEP10(2019)189⟩. ⟨cea-02438444v3⟩
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