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22-28 July 2018
Kellogg Hotel and Conference Center
EST timezone

Towards a determination of the quark-chromo EDM with the gradient flow

Jul 24, 2018, 2:20 PM
20m
103 (Kellogg Hotel and Conference Center)

103

Kellogg Hotel and Conference Center

219 S Harrison Rd, East Lansing, MI 48824
Parallel Weak Decays and Matrix Elements Weak Decays and Matrix Elements

Speaker

Dr Jangho Kim (NSCL & Michigan State University)

Description

The quark-chrom EDM (qCEDM) is a dimension 5 operator parametrizing at low energy BSM contributions to a non-vanishing EDM. We discuss the implementation of the qCEDM with the gradient flow and show preliminary results for the flow-time dependence of the CP-violating mixing angle $\alpha_N$ induced by the qCEDM between nucleon states. These results are computed on the $N_f=2+1$ coarse lattice $16^3 \times 32$ with lattice spacing ($a \simeq 0.1215 fm$). We use Wilson-clover fermion with $\kappa=0.13825$ and $c_{SW}=1.761$.

Primary author

Dr Jangho Kim (NSCL & Michigan State University)

Co-authors

Andrea Shindler (Michigan State University) Dr Jack Dragos (FRIB NSCL MSU) Dr Joris de Vries (Nikhef) Prof. Thomas Luu (Forschungszentrum Jülich/University of Bonn)

Presentation Materials