Physics of High Intensity Beams
For the successful design and operation of high current accelerators the control
of high-intensity and collective beam phenomena leading to beam quality deterioration
or beam loss is crucial. Intense hadron and ion beams in accelerators exhibit a
rich spectrum of such phenomena. These include impedance driven instabilities
and nonlinear waves as well as more 'exotic' effects like echoes; space charge effects
on nonlinear dynamics and halos; correlated many-body effects, like cristalline beams;
and the impact of lost ions on the accelerator environment.
The GSI beam physics group studies the dynamics of intense hadron and ion beams
in synchrotrons and cooler storage rings as well as in linear accelerators.
In close collaboration with international partners the group performs
analytical modeling, large scale simulation studies as well as experiments
in beam physics and in the interaction of ions with surrounding material.
The GSI cooler storage ring ESR and the SIS synchrotron offer unique opportunities
for the observation of collective beam phenomena over long time scales and with
high resolution. A large fraction of the groups work is dedicated to the development of
complex computer simulations codes and their benchmarking
with experimental observations.
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