Eur. Phys. J. A (2019) 55: 197
https://doi.org/10.1140/epja/i2019-12889-8

Review

The role of Lattice QCD in searches for violations of fundamental symmetries and signals for new physics

¹ Theoretical Division T-2, Los Alamos National Laboratory, 87545, Los Alamos, NM, USA
² Department of Physics and Maryland Center for Fundamental Physics, University of Maryland, 20742, College Park, MD, USA
³ RIKEN Center for Accelerator-based Sciences, 351-0198, Wako, Japan
⁴ Physics Department, Brookhaven National Laboratory, 11973, Upton, NY, USA
⁵ RIKEN-BNL Research Center, Brookhaven National Lab, 11973, Upton, NY, USA
⁶ Center for Theoretical Physics, Massachusetts Institute of Technology, 02139, Cambridge, MA, USA
⁷ Department of Physics and Astronomy, Stony Brook University, 11794, Stony Brook, NY, USA

^* e-mail: davoudi@umd.edu

Received: 13 August 2019
Accepted: 19 September 2019
Published online: 14 November 2019

Abstract

This document is one of a series of white papers from the USQCD Collaboration. Here, we discuss opportunities for Lattice Quantum Chromodynamics (LQCD) in the research frontier in fundamental symmetries and signals for new physics. LQCD, in synergy with effective field theories and nuclear many-body studies, provides theoretical support to ongoing and planned experimental programs in searches for electric dipole moments of the nucleon, nuclei and atoms, decay of the proton, n- oscillations, neutrinoless double- decay of a nucleus, conversion of muon to electron, precision measurements of weak decays of the nucleon and of nuclei, precision isotope-shift spectroscopy, as well as direct dark matter detection experiments using nuclear targets. This white paper details the objectives of the LQCD program in the area of Fundamental Symmetries within the USQCD Collaboration, identifies priorities that can be addressed within the next five years, and elaborates on the areas that will likely demand a high degree of innovation in both numerical and analytical frontiers of the LQCD research.