Unitarity of Singh-Hagen Model in D Dimensions
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2020-01-01
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Mendonca, Elias L. [UNESP]
Schimidt Bittencourt, R. [UNESP]
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The particle content of the Singh-Hagen model (SH) in D dimensions is revisited. We suggest a complete set of spin-projection operators acting on totally symmetric rank-3 fields. We give a general expression for the propagator and determine the coefficients of the SH model confirming previous results of the literature. Adding source terms, we provide a unitarity analysis in D dimensions. In addition, we have also analyzed the positivity of the massless Hamiltonian.
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Advances in High Energy Physics, v. 2020.