“School of Particles And Accelerator”
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| Paper IPM / Particles And Accelerator / 13480 |
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Linac4 is a normal conducting 160 MeV H-linear
accelerator presently being installed and progressively
commissioned at CERN. It will replace the ageing
50 MeV Linac2 as injector of the PS Booster (PSB),
increasing at the same time its brightness by a factor of
two thanks to the higher injection energy. This will be the
first step of a program to increase the beam brightness in
the LHC injectors for the needs of the High-Luminosity
LHC project. After a series of beam measurements on a
dedicated test stand the 3 MeV Linac4 front-end,
including ion source, RFQ and a beam chopping line, has
been recommissioned at its final position in the Linac4
tunnel. Commissioning of the following section, the Drift
Tube Linac, is starting. Beam commissioning will take
place in steps of increasing energy, to reach the final 160
MeV in 2015. An extended beam measurement phase
including testing of stripping equipment for the PSB and a
year-long test run to assess and improve Linac4 reliability
will take place in 2016, prior to the connection of Linac4
to the PSB that will take place during the next long LHC shut-down.
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