Strange and charm contributions to the HVP from C boundary conditions

We present preliminary results for the determination of the leading strange and charm quark-connected contributions to the hadronic vacuum polarization contribution to the muon's g-2. Measurements are performed on the RC* collaboration's QCD ensembles, with 3+1 flavors of O(a) improved Wil...

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Bibliographic Details
Published in:arXiv.org 2023-01
Main Authors: Altherr, Anian, Bushnaq, Lucius, Campos, Isabel, Catillo, Marco, Cotellucci, Alessandro, Dale, Madeleine, Fritzsch, Patrick, Gruber, Roman, Komijani, Javad, Lücke, Jens, Marinković, Marina Krstić, Martins, Sofie, Patella, Agostino, Tantalo, Nazario, Tavella, Paola
Format: Article
Language:English
Subjects:
Boundary conditions
Charm (particle physics)
Fermions
Flavor (particle physics)
Pions
Signal to noise ratio
Vector currents
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Summary:We present preliminary results for the determination of the leading strange and charm quark-connected contributions to the hadronic vacuum polarization contribution to the muon's g-2. Measurements are performed on the RC* collaboration's QCD ensembles, with 3+1 flavors of O(a) improved Wilson fermions and C* boundary conditions. The HVP is computed on a single value of the lattice spacing and two lattice volumes at unphysical pion mass. In addition, we compare the signal-to-noise ratio for different lattice discretizations of the vector current.
ISSN:2331-8422