Münster 2002 – scientific programme
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HK: Physik der Hadronen und Kerne
HK 5: Electromagnetic and Hadronic Probes I
HK 5.9: Talk
Monday, March 11, 2002, 18:45–19:00, D
The Deuteron Break-up Experiment at ANKE/COSY — •S. Dymov1,2, R. Engels3, P. Jansen4, A. Kacharava5, F. Klehr4, H. Kleines6, V. Komarov2, V. Koptev7, P. Kravtsov7, A. Kulikov2, V. Kurbatov2, B. Lorentz1, G. Macharashvili2, M. Mikirtytchiants1,7, M. Nekipelov1,7, V. Nelyubin7, D. Prasuhn1, A. Petrus2, F. Rathmann1, J. Sarkadi6, H. Seyfarth1, H. Paetz gen. Schieck3, E. Steffens5, H. Ströher1, Yu. Uzikov2, A. Vassiliev7, S. Yaschenko5, B. Zalikhanov2, and K. Zwoll6 — 1IKP, FZJ, Germany — 2LNP, JINR Dubna, Russia — 3IKP, Universität zu Köln, Germany — 4ZAT, FZJ, Germany — 5PI II, Universität Erlangen-Nürnberg, Germany — 6ZEL, FZJ, Germany — 7HEPD, PNPI Gatchina, Russia
For nucleon-nucleon interaction studies with polarized beams and targets at COSY/Jülich our group is currently developing a polarized internal storage-cell gas target for the magnetic spectrometer ANKE. The polarized atomic beam source is already performing well. Since nuclear reactions involving polarized deuterons have not been measured sufficiently well in the COSY energy range, our group is setting up a Lamb-Shift target polarimeter. The implementation of the internal target into the ring constitutes a major technological enterprise. First tests with different apertures at the ANKE target location have been carried out. Last year a first measurement of the cross section of the deuteron break-up reaction pd → p p n in collinear kinematics with detection of a proton pair near 0∘ was carried out. For the first time proton pairs from the break-up reaction at relative energy Tpp<3 MeV have been detected.