Progressing towards an agreed set of 450 GeV beam parameters for High Luminosity operation in LHC after LS2 & LS3.
Morning sessions: talks and questions.
Afternoon session: open discussion on a few pre-defined questions, led by animators.
Transverse emittance blow-up and beam loss between injection and collision – 20+10 minutes¶30m
o Taking into account experience with beam until end of 2011
o For 25 and 50 ns bunch spacing
Speaker:
Verena Kain(CERN)
Slides
09:55
Update of required beam characteristics at injection energy in LHC – 20+10 minutes¶30m
o Taking into account experience with beam until end of 2011
o For 25 and 50 ns bunch spacing
o Known “hard” and “soft” limits and resulting area of beam characteristics
Speaker:
Oliver Bruning(CERN)
Slides
10:25
Micro-batch filling scheme for pacman cancellation – 10+5 minutes¶15m
Speaker:
Stephane Fartoukh(CERN)
Slides
10:40
New ideas (e.g. pile-up levelling versus luminosity levelling schemes: potential gains and losses in performance) – 10+5 minutes¶15m
Analysis of performance progress in the injectors in 2011 – 20+10 minutes¶30m
o Double PSB batch in the PS
o SPS improvement because of scrubbing?
o What was done in MDs
o Instrumentation-related issues
Speaker:
Giovanni Rumolo(CERN)
Slides
11:40
Update of achievable beam characteristics at injection in LHC – 20+10 minutes¶30m
o Taking into account experience with beam until end of 2011
o For 25 and 50 ns bunch spacing
o Known “hard” and “soft” limits
o Suggesting area of equivalent beam characteristics.
Speaker:
DrBrennan Goddard(CERN)
Slides
12:10
About beam characteristics and LHC luminosity … – 20+10 minutes¶30m
- Luminosity and beam quality factor
- Status
- How space charge bottlenecks are addressed
- Could we do better?
- Path to the specifications of the LIU goals
Speaker:
Roland Garoby(CERN)
Slides
12:40
→
14:00
Lunch (invited participants only)
1h 20m
La Brasserie (restaurant no.2)
La Brasserie (restaurant no.2)
CERN
14:00
→
17:15
Questions with one “moderator” / question, and a 1 slide introduction for each project¶30-7-018
30-7-018
CERN
14:00
Pros-cons of 25 ns vs 50 ns, animated by J-M. Jimenez and E. Metral.¶1h
Slides
15:00
Overlapping LIU accessible beam parameters (areas) with LHC beam parameters regions (bands), animated by S. Gilardoni and G. Arduini.¶1h
Slides
16:00
Coffee break
15m
16:15
List of questions to be answered by the end of 2012 / required MDs, animated by E. Shaposhnikova and R. Assmann.¶1h