Measurement of the SMC muon beam polarisation using the asymmetry in the elastic scattering off polarised electrons

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A muon beam polarimeter was built for the SMC experiment at the CERN SPS, for beam energies of 100 and 190 GeV. The beam polarisation is determined from the asymmetry in the elastic scattering off the polarised electrons of a ferromagnetic target whose magnetisation is periodically reversed. At muon energies of 100 and 190 GeV the measured polarisation is P-mu = -0.80 +/- 0.03 (stat.) +/- 0.02 (syst.) and P-mu = - 0.797 +/- 0.011 (stat.) +/- 0.012 (syst.), respectively. These results agree with measurements of the beam polarisation using a shape analysis of the decay positron energy spectrum. (C) 2000 Elsevier Science B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2000-03
Language
English
Article Type
Article
Keywords

STRUCTURE-FUNCTION G(1)(X); MOLLER POLARIMETER; POLARIZATION; PROTON; DEUTERON

Citation

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, v.443, no.1, pp.1 - 19

ISSN
0168-9002
DOI
10.1016/S0168-9002(99)01017-7
URI
http://hdl.handle.net/10203/255951
Appears in Collection
PH-Journal Papers(저널논문)
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