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Type: Journal article
Title: Charged multihadron systems in lattice QCD + QED
Author: Beane, S.R.
Detmold, W.
Horsley, R.
Illa, M.
Jafry, M.
Murphy, D.J.
Nakamura, Y.
Perlt, H.
Rakow, P.E.L.
Schierholz, G.
Shanahan, P.E.
Stüben, H.
Wagman, M.L.
Winter, F.
Young, R.D.
Zanotti, J.M.
Citation: Physical Review D, 2021; 103(5):054504-1-054504-48
Publisher: American Physical Society (APS)
Issue Date: 2021
ISSN: 2470-0010
Statement of
S.R. Beane, W. Detmold, R. Horsley, M. Illa, M. Jafry, D.J. Murphy, Y. Nakamura, H. Perlt, P.E.L. Rakow, G. Schierholz, P.E. Shanahan, H. Stüben, M.L. Wagman, F. Winter, R.D. Young, and J.M. Zanotti
Abstract: Systems with the quantum numbers of up to 12 charged and neutral pseudoscalar mesons, as well as one-, two-, and three-nucleon systems, are studied using dynamical lattice quantum chromodynamics and quantum electrodynamics (QCD+QED) calculations and effective field theory. QED effects on hadronic interactions are determined by comparing systems of charged and neutral hadrons after tuning the quark masses to remove strong isospin breaking effects. A nonrelativistic effective field theory, which perturbatively includes finite-volume Coulomb effects, is analyzed for systems of multiple charged hadrons and found to accurately reproduce the lattice QCD+QED results. QED effects on charged multihadron systems beyond Coulomb photon exchange are determined by comparing the two- and three-body interaction parameters extracted from the lattice QCD+QED results for charged and neutral multihadron systems.
Rights: Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP³.
RMID: 1000039734
DOI: 10.1103/PhysRevD.103.054504
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Appears in Collections:Physics publications

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