Speaker
Gianluigi Arduini
(AB-ABP)
Description
In 2004 an ambitious programme of machine studies has been conducted
in the PS and
SPS complex. Beams for LHC commissioning and physics have been
prepared in the
injector chain and progress has been made in the understanding and
in the solution
of the present performance limitations. The SPS has been heavily
used as a test-bed
for LHC hardware prototypes and to study the electron cloud build-up
and scrubbing
in cryogenic surfaces. Excellent results have been obtained also in
the preparation
of the PS and SPS complex for the CNGS challenge both in the new
multi-turn
extraction scheme in the PS and in the revival of the high intensity
beams. After an
overview of the status of the LHC and high intensity beams and of
the main
(preliminary) results of the machine studies, the main performance
limitations of
the PS-SPS accelerator chain and the outstanding issues for future
studies will be
outlined. Finally a summary will be given of the recommendations
issued by the APC
to improve machine performance, to increase the efficiency of the
use of Machine
Development time and to make new beams operational.
Author
Gianluigi Arduini
(AB-ABP)
