Theory Seminar: Frank Vera Vega

Conference Date
Conference Location

CC L102

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Speaker: Frank Vera Vega (Florida International University)

Title: Observables for electro-scattering on targets with arbitrary spin

Abstract: Starting from the Weinberg formalism for the construction of fields for arbitrary spin, we propose an algorithm for the construction of the independent operators that enter the scattering amplitude associated with electromagnetic observables. This procedure is useful for the systematic study of the structure of hadrons and nuclei. In particular, it is very convenient in the case of spin-dependent observables. Since new features appear in the hadronic structure of higher spin targets, the investigation of their properties can improve our understanding of the strong force. As a proof of principle, we apply this method to the description of elastic electroscattering on a spin 1 target, such as deuteron. The result of calculations within Instant and Light-Front forms of dynamics is presented, together with a systematic identification of the electromagnetic form factors and potential extensions of the formalism to hard exclusive processes on the deuteron.