Bonn 2010 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 18: Anwendungen kernphysikalischer Methoden

HK 18.3: Vortrag

Dienstag, 16. März 2010, 14:30–14:45, HG V

A Tensor and Vector Polarimeter for Deuterons at Fusion Energies — •Leonard Kröll1, Ralf Engels1, Kyril Gregoryev1, Maxim Mikirtychiants1, Sergey Mikirtychiants1, Frank Rathmann1, Hans Ströher1, Peter Kravtsov2, Alexander Vasilyev2, Hans Paetz gen. Schieck3, and Thomas Hebbeker41Institut für Kernphysik, Jülich Center for Hadron Physics, FZ Jülich — 2High Energy Physics Department, PNPI — 3Institut für Kernphysik, Universität zu Köln — 4III. Physikalisches Institut A, RWTH Aachen

Within the framework of an ISTC project the fusion reactions of double-polarized deuterium (d+d3H+p, d+d3He+n) will be analysed in order to study the influence of the vector and tensor polarization of the initial projectiles on the total cross sections. These results allow a conclusion on the change of the branching ration between the two fusion channels and, therefore, the neutron reduction for a future generation of fusion reactor. The measurements request the knowledge of the polarization of the deuteron beam and of the (gas)target. With an unpolarized target, the beam polarization can be determined by measuring the angular distributions of the outgoing particles (3He,p and 3H) with use of the known analysing powers. Vice versa, additional data for the analysing powers can be obtained with a beam of known polarization, measured with a Lamb-shift polarimeter. The setup of the charged ejectile polarimeters is described.

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