PoS - Proceedings of Science
Volume 346 - 23rd International Spin Physics Symposium (SPIN2018) - Parallel Session: Low Energy Spin Physics with Lepton, Photon and Hadron Probes (F. Maas and H. Spiesberger)
Measurement of the analyzing powers in pd elastic and pn quasi-elastic scattering at small angles at ANKE-COSY
S. Dymov* and  for the ANKE collaboration
Full text: pdf
Pre-published on: August 19, 2019
Published on: August 23, 2019
Abstract
The analyzing powers in proton-deuteron elastic and proton-neutron
quasi-elastic scattering have been measured at small angles using a polarized
proton beam at the COSY storage ring incident on an unpolarized deuterium
target. The data were taken at 796~MeV and five higher energies from 1600~MeV
to 2400~MeV. The analyzing power in $pd$ elastic scattering was studied by
detecting the low energy recoil deuteron in telescopes placed symmetrically
in the COSY plane to the left and right of the beam whereas for $pn$
quasi-elastic scattering a low energy proton was registered in one of the
telescopes in coincidence with a fast scattered proton measured in the ANKE
magnetic spectrometer. Though the experiment explores new domains, the
results are consistent with the limited published information.
DOI: https://doi.org/10.22323/1.346.0117
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