Review of the needs for a hollow e-lens for the HL-LHC

Session

Session on operational experience and extrapolation to HL-LHC parameters

6 Oct 2016, 09:45

30/7-018 - Kjell Johnsen Auditorium (CERN)

3. Loss and lifetime observations during nominal operation and their extrapolation to HL-LHC parameters.

Belen Maria Salvachua Ferrando (CERN)

06/10/2016, 09:45

4. Discussion

06/10/2016, 10:15

38. What did we learn about HALO population during LRBB studies and MDs?

Yannis Papaphilippou (CERN)

06/10/2016, 10:30

8. Discussion

06/10/2016, 10:50

7. What did we learn about HALO population during MDs and regular operation?

Gianluca Valentino (University of Malta (MT))

06/10/2016, 11:30

39. Discussion

06/10/2016, 11:50

9. Observations and measurements on the impact of earthquakes and cultural noise on the LHC operation and their extrapolation to HL-LHC parameters.

Michaela Schaumann (CERN)

06/10/2016, 12:00

10. Discussion

06/10/2016, 12:30

17. Operational experience from HERA and their extrapolation to the HL-LHC

Mike Seidel (PSI)

06/10/2016, 14:15

14. Discussion

06/10/2016, 14:35

15. Operational experience of RHIC electron lenses and their effect on collimation and halo populations

Wolfram Fischer (BNL)

06/10/2016, 14:45

16. Discussion

06/10/2016, 15:05

13. Operational experience from Tevatron and relevance for HL-LHC

Alexander Valishev (Fermilab), Miriam Fitterer

06/10/2016, 15:15

18. Discussion

06/10/2016, 15:50

19. Expectations (extrapolated from LHC operation) for the beam lifetime and halo population based on scaling from the LHC observations for radiation damping and IBS excitation.

Fanouria Antoniou (CERN)

06/10/2016, 16:35

20. Discussion

06/10/2016, 16:55

41. Discussion

40. Hollow e-lens performance simulations for HL-LHC

Miriam Fitterer

5. Loss and lifetime observations during the ’Static’ Cycle (stable beam) and their extrapolation to HL-LHC parameters.

23. Machine protection requirements for HL-LHC and failure modes

11. Potential scenarios in the HL-LHC machine that can lead to very fast orbit changes (e.g. missing be a,-beam kicks, damper failure scenarios, Crab cavity failure scenarios etc)

6. Q & A

12. Q & A

22. Q & A

26. Q & A

21. RF overview of the Crab Cavity system for HL-LHC with presentation on potential failure modes and summary of the KEK operation experience.