Document Type

Conference Paper

Publication Date

2019

DOI

10.22323/1.334.0075

Publication Title

Proceedings of the 36th Annual International Symposium on Lattice Field Theory- PoS(LATTICE2018)

Volume

334

Pages

075 (7 pp.)

Conference Name

36th Annual International Symposium on Lattice Field Theory, July 22-28, 2018, East Lansing, Michigan

Abstract

In this talk, we present a framework for studying structural information of resonances and bound states coupling to two-hadron scattering states. This makes use of a recently proposed finite-volume formalism to determine a class of observables that are experimentally inaccessible but can be accessed via lattice QCD. In particular, we shown that finite-volume two-body matrix elements with one current insertion can be directly related to scattering amplitudes coupling to the external current. For two-hadron systems with resonances or bound states, one can extract the corresponding form factors of these from the energy-dependence of the amplitudes.

Comments

Copyright owned by the authors under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND) License.

Original Publication Citation

Baroni, A., Wilson, D. J., Ortega, F., Briceño, R., & Hansen, M. (2018). Finite volume matrix elements of two-body states. In Proceedings of the 36th Annual International Symposium on Lattice Field Theory (075). Sissa Medialab. https://doi.org/10.22323/1.334.0075

ORCID

0000-0003-1109-1473 (Briceño)

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