ChPT loops for the lattice: Pion mass and decay constant, HVP at finite volume and nn̄ -oscillations

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Abstract

I present higher loop order results for several calculations in Chiral perturbation Theory. 1) Two-loop results at finite volume for hadronic vacuum polarization. 2) A three-loop calculation of the pion mass and decay constant in two-flavour ChPT. For the pion mass all needed auxiliary parameters can be determined from lattice calculations of ππ-scattering. 3) Chiral corrections to neutron-anti-neutron oscillations.

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Enheter & grupper
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Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Subatomär fysik
Originalspråkengelska
Artikelnummer06011
TidskriftEPJ Web of Conferences
Volym175
StatusPublished - 2018 mar 26
PublikationskategoriForskning
Peer review utfördJa