Investigation of Beam Emittance and Beam Transport Line Optics on Polarization

TL;DR

This paper investigates how beam emittance, energy spread, and magnet misalignments affect beam polarization in particle transport systems, with a focus on Fermilab's muon beam line for the Muon g-2 experiment.

Contribution

It provides a detailed analysis of polarization effects considering various beam and optical parameters, including systematic correlations, specific to Fermilab's muon beam line.

Findings

Beam emittance and misalignments significantly influence polarization.

Comparisons made between transported beam polarization and pion decay polarization.

Insights into systematic correlations among phase space variables.

Abstract

Effects of beam emittance, energy spread, optical parameters and magnet misalignment on beam polarization through particle transport systems are investigated. Particular emphasis will be placed on the beam lines being used at Fermilab for the development of the muon beam for the Muon g-2 experiment, including comparisons with the natural polarization resulting from pion decay, and comments on the development of systematic correlations among phase space variables.