Physics

Precision wins physics professor a lifetime achievement medal

TORONTO, Nov. 13, 2020 – Precision matters. York University Distinguished Research Professor Eric Hessels, who has conducted the most precise measurement to date of the fine structure of helium and of the hydrogen n=2 Lamb shift to come closest to solving the proton-size puzzle, deals in precision every day. It is his work in the precision measurement field that has earned him the 2020 Canadian Association of Physicists (CAP) Medal for Lifetime Achievement in Physics.

Scientists measure precise proton radius to help resolve decade-old puzzle

York University research confirms protons are smaller than expected  TORONTO, September 5, 2019 – York University researchers have made a precise measurement of the size of the proton – a crucial step towards solving a mystery that has preoccupied scientists around the world for the past decade. Scientists thought they knew the size of the […]