Aug 8 – 13, 2022
Hörsaalzentrum Poppelsdorf
Europe/Berlin timezone

Hadronic Parity Violation from Twisted Mass Lattice QCD

Aug 12, 2022, 3:50 PM
CP1-HSZ/1st-1.004 - HS7 (CP1-HSZ)

CP1-HSZ/1st-1.004 - HS7


Oral Presentation Hadron Spectroscopy and Interactions Hadron Spectroscopy and Interactions


Nikolas Schlage (Helmholtz-Institut für Strahlen- und Kernphysik)


We present results for an exploratory lattice calculation of the leading parity-violating pion-nucleon coupling $h^1_\pi$. Based on the PCAC relation we use a parity-conserving Lagrangian and focus on the techniques to determine the nucleon matrix elements of the effective four-quark operators. For our study we employ an ensemble of Twisted Mass fermions with 260 MeV pion mass. Barring mixing with lower-dimensional operators and renormalization at this stage, we discuss our estimate $h^1_\pi$.

Primary authors

Nikolas Schlage (Helmholtz-Institut für Strahlen- und Kernphysik) Marcus Petschlies (Helmholtz-Instituts für Strahlen- und Kernphysik) Aniket Sen (Helmholtz-Institut für Strahlen- und Kernphysik) Carsten Urbach (Helmholtz-Institut für Strahlen- und Kernphysik)

Presentation materials