Polar polarization: A new method for polarimetry analysis

D. Izraeli*, I. Mardor, E. Cohen, M. Duer, T. Y. Izraeli, I. Korover, J. Lichtenstadt, E. Piasetzky

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We present a novel analysis method for polarization transferred in A(,e′N) experiments, which can be applied to other kinds of polarization measurements as well. In this method the polarization transfer components are presented in spherical coordinates using an efficient likelihood numerical maximization based on an analytic derivation. We also propose a formalism that accounts for multi-parameter models, and which yields a smooth and continuous parameterization of the data (rather than standard binning). The method reduces the statistical and uncorrelated systematic uncertainties. It may further reduce certain parts of correlated systematic uncertainties. Applying this method to simulated data reduces the uncertainties, in particular in cases of poor statistics. In addition the analysis method reveals physical information that is lost in standard binning of the data. The obtained results can be compared easily to theoretical models and other measurements. Furthermore, CPU time is significantly reduced using this method.

Original languageEnglish
Article numberP07029
JournalJournal of Instrumentation
Volume13
Issue number7
DOIs
StatePublished - 30 Jul 2018

Funding

FundersFunder number
Ministry of Science, Technology and Space
Israel Academy of Arts and Sciences
PAZY Foundation
Israel Atomic Energy Commission
Israel Science Foundation390/15

    Keywords

    • Analysis and statistical methods
    • Polarimeters
    • Polarisation
    • Simulation methods and programs

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