Design of a precise 5 MeV Mott polarimeter operating at high average current
May 02, 2023
August 04, 2023
A high-intensity polarized beam has to be delivered to the P2 experiment at Mainz Energy Recovering Superconducting Accelerator Facility (MESA). The Δ𝑃/𝑃 error of the beam polarization
should be ≤ 1 %. To track the polarization, a Mott polarimeter will be installed after the pre-acceleration of the polarized beam to 5 MeV energy. The goal of this work is to deploy a 5 MeV
Mott polarimeter for high polarized beam current ≈ 150 µA with ≤ 1 % precision. For that, feasible geometries and the detection system are under investigation based on 5 MeV Mott polarimeter
from Jefferson Lab and 3.5 MeV Mott polarimeter from Mainz Microtron (MAMI).
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