STI Publications - View Publication Form #16966

Back to Search Results Print
Publication Information
Title Accurate Determination of the Electron Spin Polarization In Magnetized Iron and Nickel Foils for Moller Polarimetry
Abstract The M\o ller polarimeter in Hall A at Jefferson Lab in Newport News, VA, has provided reliable measurements of electron beam polarization for the past two decades. Past experiments have typically required polarimetry at the 1\% level of absolute uncertainty which the M\o ller polarimeter has delivered. However, the upcoming proposed experimental program including MOLLER and SoLID have stringent requirements on beam polarimetry precision at the level of 0.4\%\cite{MOLLER2014, SoLID2019}, requiring a systematic re-examination of all the contributing uncertainties. M\o ller polarimetry uses the double polarized scattering asymmetry of a polarized electron beam on a target with polarized atomic electrons. The target is a ferromagnetic material magnetized to align the spins in a given direction. In Hall A, the target is a pure iron foil aligned perpendicular to the beam and magnetized out of plane parallel or antiparallel to the beam direction. The acceptance of the detector is engineer
Author(s) Dave Gaskell, William Henry, Donald Jones, Eric King, Paul Souder, James Napolitano, Kent Paschke
Publication Date November 2022
Document Type Journal Article
Primary Institution Thomas Jefferson National Accelerator Facility, Newport News
Affiliation Exp Nuclear Physics / Experimental Halls / Hall A
Funding Source Nuclear Physics (NP)
Proprietary? No
This publication conveys Literature Review and Summary
Document Numbers
JLAB Number: JLAB-PHY-22-3581 OSTI Number: 1887778
LANL Number: arXiv:2203.11238 Other Number: DOE/OR/23177-5452
Associated with an experiment No
Associated with EIC No
Supported by Jefferson Lab LDRD Funding No
Journal Article
Journal Name Nuclear Instruments & Methods in Physics Research, Section A
Refereed Yes
Volume 1043
Issue
Page(s) 167444
Attachments/Datasets/DOI Link
Document(s)
MollerNIMTargetPol.pdf (STI Document)
1-s2.0-S0168900222007367-main.pdf (Accepted Manuscript)
DOI Link
Dataset(s) (none)
Back to Search Results Print