Update on the isospin breaking corrections to the HVP with C-periodic boundary conditions - INSPIRE

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Update on the isospin breaking corrections to the HVP with C-periodic boundary conditions

Anian Altherr
(
- ETH, Zurich (main)
)
,
Isabel Campos
(
- Cantabria Inst. of Phys.
)
,
Alessandro Cotellucci
(
- Humboldt U., Berlin and
- Julich, NIC
)
,
Roman Gruber
(
- ETH, Zurich (main)
)
,
Tim Harris
(
- ETH, Zurich (main)
)

Feb 20, 2025

10 pages

Contribution to:

- Lattice 2024

e-Print:

2502.14845 [hep-lat]

View in:

ADS Abstract Service

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Abstract: (arXiv)

In the RC

^\star

collaboration, we simulate lattice QCD+QED using

C-

periodic spatial boundary conditions to ensure that locality, gauge invariance, and translational invariance are preserved throughout the calculation. We present our progress in computing isospin-breaking (IB) corrections to the leading hadronic contribution to

(g-2)_\mu

. We compare two ways of including the IB corrections: the RM123 method and dynamical QCD+QED simulations, both with

C-

periodic boundary conditions. The two calculations are performed at

\beta=3.24

with four flavours of

\mathcal{O}(a)-

improved Wilson fermions; the QCD ensemble features

SU(3)-

symmetric sea quarks plus charm, while down and strange quarks are degenerate in QCD+QED gauge ensembles.

Note:

10 pages, RC* collaboration, Contribution to the 41st International Symposium on Lattice Field Theory, 28th July-3rd August 2024, University of Liverpool, United Kingdom

References(25)

Figures(0)

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