Two-loop sunset integrals at finite volume

Johan Bijnens, Emil Boström, Timo A. Laehde

Research output: Contribution to journalArticlepeer-review

13 Citations (SciVal)

Abstract

We show how to compute the two-loop sunset integrals at finite volume, for non-degenerate masses and non-zero momentum. We present results for all integrals that appear in the Chiral Perturbation Theory (chi PT) calculation of the pseudoscalar meson masses and decay constants at next-to-next-to-leading order, including the case of Partially Quenched chi PT. We also provide numerical implementations of the finite-volume sunset integrals, and review the results for one-loop integrals at finite volume.
Original languageEnglish
Article number019
JournalJournal of High Energy Physics
Issue number1
DOIs
Publication statusPublished - 2014

Subject classification (UKÄ)

  • Subatomic Physics

Keywords

  • Lattice QCD
  • Chiral Lagrangians

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