Connected and disconnected contractions in pion-pion scattering

DOI10.1016/J.NUCLPHYSB.2017.07.012zbMath1373.81421arXiv1704.06754OpenAlexW2608274837MaRDI QIDQ2412789

Neramballi Ripunjay Acharya, Chien-Yeah Seng, Feng-Kun Guo, Ulf-G. Meißner

Publication date: 27 October 2017

Published in: Nuclear Physics. B (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1704.06754

Mathematics Subject Classification ID

Nuclear physics (81V35) Strong interaction, including quantum chromodynamics (81V05) Feynman diagrams (81T18) Quantum field theory on lattices (81T25) Inelastic and multichannel quantum scattering (81U35)

Related Items (2)

Contraction diagram analysis in pion-kaon scattering ⋮ Extracting the low-energy constant L0r at three flavors from pion-kaon scattering

Cites Work

• \(I=1\) and \(I=2\) \(\pi-\pi\) scattering phase shifts from \(N_{\mathrm{f}}=2+1\) lattice QCD
• Quark disconnected diagrams in chiral perturbation theory
• Spectral sum rules of the Dirac operator and partially quenched chiral condensates.
• Revisiting the pion's scalar form factor in chiral perturbation theory
• Roy equation analysis of \(\pi \pi\) scattering

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