A high-precision polarimeter

Hauger, M.
Honegger, A.
Jourdan, J.
Kubon, G.
Petitjean, T.
Rohe, D.
Sick, I.
Warren, G.
Wohrle, H.
Zhao, J.
Ent, R.
Mitchell, J.
Crabb, D.
Tobias, A.
Zeier, M.
Zihlmann, B.

Publication date

October 1999

Publisher

Thomas Jefferson National Accelerator Facility (U.S.)

Abstract

The authors have built a polarimeter in order to measure the electron beam polarization in hall C at Jefferson Lab. Using a superconducting solenoid to drive the pure-iron target foil into saturation, and a symmetrical setup to detect the Moller electrons in coincidence, they achieve an accuracy of <1%. This sets a new standard for Moller polarimeters