Figure 2: (IMAGE) Science China Press Caption (a) Exclusion limits of different coupling coefficients of NREFT; (b) Exclusion limits of WIMP-pion scattering cross section. Credit ©Science China Press Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.