Joel Sander

This plot shows exclusion limits at the 90 percent confidence level on the rate of downward-going fractionally charged particles versus inverse electric charge in units of 1/e, under the conservative assumptions. The blind (light gray solid) and improved, nonblind (black solid) analyses of the CDMS II experiment are compared with past cosmogenic searches MACRO (dashed lower-left), Kamiokande (X) and LSD (+). You may have heard that particles have something called electric charge. Scientists often quantify this charge in unitless numbers….