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

Johan Bijnens

doi:10.1051/epjconf/201817506011

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.

Original language	English
Article number	06011
Journal	EPJ Web of Conferences
Volume	175
DOIs	https://doi.org/10.1051/epjconf/201817506011
Publication status	Published - 2018 Mar 26

Subject classification (UKÄ)

Subatomic Physics

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10.1051/epjconf/201817506011

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title = "ChPT loops for the lattice: Pion mass and decay constant, HVP at finite volume and n{\=n} -oscillations",

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.",

author = "Johan Bijnens",

year = "2018",

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day = "26",

doi = "10.1051/epjconf/201817506011",

language = "English",

volume = "175",

journal = "EPJ Web of Conferences",

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AU - Bijnens, Johan

PY - 2018/3/26

Y1 - 2018/3/26

N2 - 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.

AB - 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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U2 - 10.1051/epjconf/201817506011

DO - 10.1051/epjconf/201817506011

M3 - Article

AN - SCOPUS:85045150477

VL - 175

JO - EPJ Web of Conferences

JF - EPJ Web of Conferences

SN - 2100-014X

M1 - 06011

ER -

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

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