Name: HOM issues in the ESS SC linac
Start: 2011-09-22T08:45:00+02:00
End: 2011-09-23T13:00:00+02:00
Location: European Spallation Source

HOM issues in the ESS SC linac

from Thursday 22 September 2011 (08:45) to Friday 23 September 2011 (13:00)
European Spallation Source (Auditorium, 1st floor)

: Sessions

: Talks

: Breaks

22 Sept 2011

23 Sept 2011

08:45	Coffee and registration (until 09:00)
09:00	Welcome - Stephen Molloy (ESS) (until 09:20)
09:00	Introduction and Welcome - David McGinnis (ESS)
09:10	Meeting goals - Stephen Molloy (ESS) Slides
09:20	Beam parameters & cavity design - David McGinnis (until 10:40)
09:20	ESS time structure & bunch length - Håkan Danared (ESS) Slides
09:50	Considerations of cavity design - Rama Calaga (Brookhaven National Laboratory (BNL)) Slides
10:20	Elliptical cavity design - guillaume devanz Slides
10:40	--- Coffee ---
11:00	Beam parameters & cavity design - David McGinnis (ESS) (until 12:00)
11:00	Spoke cavity design
11:20	Beam dynamics due to HOMs - Marcel Schuh (CERN) Slides

08:45	Coffee (until 09:00)
09:00	Summary of day 1 - Stephen Molloy (ESS)
09:20	Discussion - Simulation studies - Stephen Molloy (ESS) (until 10:45)
09:20	MP & FE in Vorpal - Jonathan Smith (Tech-X)
09:45	Multi-cavity effects - Stephen Molloy (ESS) Slides
10:45	--- Coffee ---
11:05	Discussion - Studies at test stands (until 12:00)
11:05	HOMs as beam diagnostics - Nicoleta Baboi (DESY) Slides

12:00	Lunch (until 13:30)
13:30	HOM couplers - Stephen Molloy (ESS) (until 15:00)
13:30	Studies of HOMs in Elliptical and Spoke Cavities for ESS - Roger Jones (University of Manchester, Cockcroft Institute) Slides
14:00	HOM coupler design - Hans-Walter Glock (Rostock) Slides
14:35	Discussion
15:00	--- Coffee ---
15:20	HOM coupler risks - Deepak Raparia (until 17:00)
15:20	Coupler multipactor - Stephen Molloy (ESS) Robert Ainsworth (RHUL) Slides
15:45	Discussion

12:00

Discussion - Drawing conclusions - David McGinnis (ESS) (until 13:00)

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