Conveners
Session 1: LIU beam performance
- Giovanni Rumolo (CERN)
- Heiko Damerau (CERN)
Session 1: LIU beam performance
- Giovanni Rumolo (CERN)
- Heiko Damerau (CERN)
Session 1: LIU beam performance
- Giovanni Rumolo (CERN)
- Heiko Damerau (CERN)
Rogelio Tomas Garcia
(CERN)
13/02/2019, 15:50
- Keywords: Beam performance target, Protons and Ions
- Questions to be answered:
- What are the baseline beam parameters and the most interesting filling scheme for HL?
- What are the assumptions, do we need to review any of the assumptions based on 2018 experience or gained knowledge on some other items?
- Specs on bunch-by-bunch variations within trains?
- What is the...
Nicolo Biancacci
(CERN)
13/02/2019, 16:20
- Keywords: Ions across chain, performance and reproducibility, bottlenecks
- Questions to be answered:
- What are the expected improvements in Linac3 (source, autopilot, new LLRF)?
- What are the key ingredients for the improvement of LEIR performance and reliability achieved in 2018?
- Is the impact of new diagnostics tools visible (new injection line BPMs, new orbit measurement...
Alessandra Lombardi
(CERN)
13/02/2019, 16:50
- Keywords: Source; beam quality, reliability, readiness
- Questions to be answered:
- How far did we go in 2018 in terms of beam quality, reliability, typical operational scenarios, integration in operation?
- What do we expect to learn from LBE tests in 2019?
- Which is the present performance and future strategy for the source?
- What is the future (baseline) path for...
Fanouria Antoniou
(CERN)
13/02/2019, 18:00
- Keywords: New injection, emittance measurements, brightness goal, optics control
- Questions to be answered:
- How does the pre-LS2 performance, including the latest brightness curve compare with expectations from theory and simulations?
- What are the challenges of 160 MeV H- injection and the new expected brightness line?
- Do we understand the emittance measurements in PSB...
Matthew Alexander Fraser
(CERN)
13/02/2019, 18:20
- Keywords: Emittance growth, new 2 GeV injection
- Questions to be answered:
- Do we understand the relative weight of all potential contributors to emittance growth at injection (mismatch, kicker waveforms, injection bump, space charge, injection settings)?
- What will change after LIU (2 GeV, BTP, faster bump collapse, …)?
- How confident can we be to double the brightness with...
Alexandre Lasheen
(CERN)
13/02/2019, 18:40
- Keywords: Longitudinal instabilities, past and future RF improvements, beam quality, bunch rotation
- Questions to be answered:
- What is the parameter reach in terms of intensity/longitudinal emittance? What was achieved in 2018 and what is expected from simulations with the further LS2 RF improvements?
- What is the contribution of each of the upgrades (coupled-bunch, 1-turn delay,...
Elena Shaposhnikova
(CERN)
14/02/2019, 09:00
- Keywords: Longitudinal stability, RF upgrade, impedance reduction, slow losses
- Questions to be answered:
- What has been achieved with the acceleration of short bunch trains at highest intensities?
- Do we understand the losses at flat-bottom and the longitudinal instabilities? What is the effect of different optics?
- Which improvement do we expect from impedance reduction?
...
Giovanni Rumolo
(CERN),
Heiko Damerau
(CERN)
14/02/2019, 09:30
- Keywords: LIU target performance, risks, mitigations, challenges for post-LIU and beam commissioning, protons and ions
- Questions to be answered:
- What are the baseline beam parameters for LIU and the alternative production schemes (protons and ions)?
- What are the assumptions, do we need to review any of the assumptions based on 2018 experience or gained knowledge on some other...
