5 papers
Gauge theories from scattering amplitudes with minimal assumptions
Renato M. Fonseca, Clara Hernandez-Garcia, Javier M. Lizana +1
We revisit the emergence of a Yang-Mills symmetry in theories with massless spin 1 particles from fundamental physical properties of scattering amplitudes. In the standard proofs,…
Electroweak Limits on General New Vector Bosons
F. del Aguila, J. de Blas, M. Perez-Victoria
We study extensions of the Standard Model with general new vector bosons. The full Standard Model gauge symmetry is used to classify the extra vectors and constrain their couplings…
A complete effective field theory for dark matter
Juan Carlos Criado, Abdelhak Djouadi, Manuel Perez-Victoria +1
We present an effective field theory describing the relevant interactions of the Standard Model with an electrically neutral particle that can account for the dark matter in the Un…
Vector-like quarks with non-renormalizable interactions
Juan Carlos Criado, Manuel Perez-Victoria
We study the impact of the leading non-renormalizable terms in the effective field theory that describes general extensions of the Standard Model with vector-like quarks. Dropping…
Undecay
Eugenio Megias, Manuel Perez-Victoria, Mariano Quiros
Unstable particles decay sooner or later, so they are not described by asymptotic one-particle states and they should not be included as independent states in unitarity relations s…