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Busy activity has returned to the CERN Control Centre (CCC), where the Operation group coordinates the current Linac4 test run, supported by the Accelerators and Beam Physics (ABP) group and all the involved equipment groups. As we write, the nominal 160 MeV beam has already reached the Linac4 dump.
After the ongoing second long shutdown of CERN's accelerator complex (LS2), Linac4 will replace the retired Linac2 to provide protons to the LHC and all the CERN experiments that are served by CERN's proton-accelerator chain. "For this purpose, Linac4 has by now been connected to the LHC injectors chain through its new transfer line to the PS tunnel and the existing transfer lines to the PS Booster (PSB)," says Bettina Mikulec, who coordinates the test run.
Order - Linac4 - Challenge - High-quality - Beam
In order to prepare Linac4 for the challenge of delivering reliably high-quality beam to the PSB from its first day of post-LS2 operation in 2020, a special beam run started on 30 September to measure its beam parameters in the completely renovated 15-m-long emittance-measurement line (LBE), only 50 m away from the PSB injection point. "In this line, we can of course measure the emittance of the beam—the transverse...
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