Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2002-03-16
Czech.J.Phys.52:C319-C324,2002
Physics
Nuclear Physics
Nuclear Experiment
6 pages, 1 figure, submitted to Czechoslovak Journal of Physics
Scientific paper
10.1007/s10582-002-0125-x
The study of near--threshold meson production in pp and pd collisions involving polarized beams and polarized targets offers the rare opportunity to gain insight into short--range features of the nucleon--nucleon interaction. The Cooler Synchrotron COSY at FZ--J\"ulich is a unique environment to perform such studies. Measurements of polarization observables require a cylindrically symmetrical detector, capable to measure the momenta and the directions of outgoing charged hadrons. The wide energy range of COSY leads to momenta of outgoing protons to be detected in a single meson production reaction between 300 and 2500 MeV/c. Scattering angles of protons to be covered extend to about $45^{\circ}$ in the laboratory system. An azimuthal angular coverage of the device around 98% seems technically achievable. The required magnetic spectrometer could consist of a superconducting toroid, providing fields around 3 T.
Düren Michael
Jansen Paul
Klehr F.
Martín Samuel
Meyer Hans-Otto
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