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Title |
Other Keywords |
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| CT01 |
Measurements with a versatile Test Bench for Commissioning of the new GSI High Current Linac
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emittance, ion, pick-up, diagnostics |
45 |
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- P. Forck, P. Strehl
GSI, Gesellschaft für Schwerionenforschung, Darmstadt, Germany
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For the commissioning of the new GSI prestripper a conventional
slitdetector system and a single shot pepperpot system has been
installed on a mobile test bench to measure intensity distributions in
the two transverse phase spaces. To determine intensity distributions
in the longitudinal phase space, including beam energy capacitive
pickups and newly developed diamond counters have been installed on the
test bench. The setup of the test bench provides also redundant
information for beam current, beam profile and beam position. The most
important features of all measuring systems including signal processing
and data evaluation are reported. First results from the commissioning
of the upgraded prestripper of the UNILAC at GSI are reported.
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| PT04 |
Radiation protection system installation for the accelerator production of tritium/low energy demonstration accelerator project (APT/LEDA)
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radiation, radio-frequency, controls, beam-transport |
162 |
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- J.E. Wilmarth, M.T. Smith, T.L. Tomei
LANL, Los Alamos National Laboratory, Los Alamos, NM, USA
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The APT/LEDA personnel radiation protection system
installation was accomplished using a flexible, modular
proven system which satisfied regulatory orders, project
design criteria, operational modes, and facility
requirements. The goal of providing exclusion and safe
access of personnel to areas where prompt radiation in the
LEDA facility is produced was achieved with the
installation of a DOE-approved Personnel Access Control
System (PACS). To satisfy the facility configuration
design, the PACS, a major component of the overall
radiation safety system, conveniently provided five
independent areas of personnel access control. Because of
its flexibility and adaptability the Los-Alamos Neutron-
Science-Center-(LANSCE)-designed Radiation Security
System (RSS) was efficiently configured to provide the
desired operational modes and satisfy the APT/LEDA
project design criteria. The Backbone Beam Enable
(BBE) system based on the LANSCE RSS provided the
accelerator beam control functions with redundant,
hardwired, tamper-resistant hardware. The installation
was accomplished using modular components.
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| PT12 |
Aspects of bunch shape measurements for low, intense ions beams
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ion, target, scattering, electron |
186 |
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- P. Forck, F. Heymach, U. Meyer, P. Moritz, P. Strehl
GSI, Gesellschaft für Schwerionenforschung, Darmstadt, Germany
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For the characterisation of the ion beam delivered by
the new High Current LINAC at GSI, the time structure
of bunches and the knowledge concerning their intensity
distribution in longitudinal phase space is of great
importance. At least 100ps time resolution and the
capability of measuring long tails in the distribution were
design parameters. Taking advantage of Rutherford-scattering
to reduce the count rate, a direct time of flight
measurement technique using diamond detectors can be
applied. First results are reported. Plans for determine the
energy of individual ions by detecting secondary
electrons emitted from a thin C foil using 1m drift are
discussed.
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