Experiments with longitudinally polarized electrons in a storage ring using a Siberian snake

H.R. Poolman*, D.J. Boersma, M. Harvey, D.W. Higinbotham, I. Passchier, E. Six, R. Alarcon, P.W. van Amersfoort, T.S. Bauer, H.B. Rookhuizen, J.F.J. van den Brand, L.D. van Buuren, H.J. Bulten, R. Ent, M. Ferro-Luzzi, D.G. Geurts, P. Heimberg, C.W. de Jager, P. Klimin, I. KoopF. Kroes, J. van der Laan, G. Luijckx, A. Lysenko, B. Militsyn, I. Nesterenko, J. Noomen, B.E. Norum, M.J.J. van den Putte, Y. Shatunov, J.J.M. Steijger, D. Szczerba, H. de Vries

*Corresponding author for this work

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Abstract

We report on first measurements with polarized electrons stored in a medium-energy ring and with a polarized internal target. Polarized electrons were injected at 442 MeV (653 MeV), and a partial (full) Siberian snake was employed to preserve the polarization. Longitudinal polarization at the interaction point and polarization lifetime of the stored electrons were determined with laser backscattering. Spin observables were measured for electrodisintegration of polarized He-3, with simultaneous detection of scattered electrons, protons, neutrons, deuterons, and He-3 nuclei, over a large phase space.
Original languageEnglish
Pages (from-to)3855-3858
Number of pages4
JournalPhysical Review Letters
Volume84
Issue number17
DOIs
Publication statusPublished - 24 Apr 2000
Externally publishedYes

Keywords

  • QUASI-ELASTIC SCATTERING
  • NEUTRON SPIN STRUCTURE
  • STRUCTURE-FUNCTION G(1)(N)
  • PRECISION-MEASUREMENT
  • INTERNAL TARGET
  • HE-3
  • ENERGY

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