SISSA Open Science

Browsing by Author "Bellazzini, Brando"

Browsing by Author "Bellazzini, Brando"

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  • Bellazzini, Brando; Riva, Francesco; Serra, Javi; Sgarlata, Francesco (2017)
    We constrain effective feld theories by going beyond the familiar positivity bounds that follow from unitarity, analyticity, and crossing symmetry of the scattering amplitudes. As interesting examples, we discuss the ...
  • Bellazzini, Brando; Riva, Francesco; Serra, Javi; Sgarlata, Francesco (2019-01-20)
    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 ...

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