“Some people are always grumbling because roses have thorns; I am thankful that thorns have roses.” Jean-Baptiste Alphonse Karr, author and journalist (1808-1890).
Monday, 11 June 2018
Weak proton charge
A team at the Thomas Jefferson National Accelerator
Facility has measured the weak charge of the proton by
scattering a beam of spin-polarized electrons from stationary protons in a
liquid hydrogen target. The value is 0.0719 ± 0.0045.