Scientific article
Open access

Massive higher spins: effective theory and consistency

Published inJournal of High Energy Physics, vol. 2019, p. 1-31
  • Open Access - SCOAP3
Publication date2019

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.

Citation (ISO format)
BELLAZZINI, Brando et al. Massive higher spins: effective theory and consistency. In: Journal of High Energy Physics, 2019, vol. 2019, p. 1–31. doi: 10.1007/JHEP10(2019)189
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Article (Published version)
ISSN of the journal1029-8479

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