Matrix elements of bound states in a finite volume
December 05, 2019
August 27, 2020
Recently, a framework was developed for studying form factors of two-body states probed with an external current. Finite volume matrix elements that may be computed via lattice QCD are converted to infinite volume generalized form factors. These generalized form factors allow us to study the structure of composite states. In this talk, we consider the application of this formalism to bound states, and compare the leading finite volume effects to the general results of the framework. Specifically, we consider the implications for the deuteron at the physical point, and conclude that it's necessary to use the full formalism to not be saturated by systematics.
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