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

Nucleon EDMs and form factors on a lattice at the physical point

Jul 26, 2018, 8:50 AM
20m
106 (Kellogg Hotel and Conference Center)

106

Kellogg Hotel and Conference Center

219 S Harrison Rd, East Lansing, MI 48824
Hadron Structure Hadron Structure

Speaker

Prof. Sergey Syritsyn (Stony Brook University (SUNY))

Description

Searches for the nucleon electric dipole moments (EDMs) are at the frontier of high-precision Nuclear physics. Their discovery would be evidence of CP-violation, which is necessary to explain the origin of nuclear matter and would be a signature of new non-Standard-Model interactions. CP-violation in the quark-gluon sector can be caused by the presence of the QCD $\theta$-term or higher-order effective quark-gluon interactions. In this talk, I will present preliminary results for nucleon EDMs induced by quark-gluon chromo-electric interactions from a recent calculation with chiral-symmetric quarks at the physical point. I will also present high-statistics results for nucleon form factors from the same calculation and briefly discuss implications for the theoretic determination of the nucleon charge radius.

Primary author

Prof. Sergey Syritsyn (Stony Brook University (SUNY))

Co-authors

Dr Hiroshi Ohki (Nara Women's institute, Nara, Japan) Taku Izubuchi (Brookhaven National Laboratory)

Presentation Materials