CLIC Breakdown Workshop

Tuesday 20 May 2008, 09:00 → 17:50 Europe/Zurich

40-S2-B01 (CERN)

Sergio Calatroni (CERN)

09:00 → 09:05 Welcome

Speaker: Jean-Pierre Delahaye (CERN)

09:05 → 09:15 Introduction

Speaker: Sergio Calatroni (CERN)

09:15 → 10:35 Review of Current Experimental Work I

09:15 RF Breakdowns: Experiments and Goals

Speaker: Steffen Doebert (CERN)

Slides

• breakdownworkshopcern.pdf
• breakdownworkshopcern.ppt
• breakdownworkshopcern.ppt

09:45 Breakdown in RF Structures: Material Studies

Speaker: Gonzalo Arnau Izquierdo (CERN)

Slides GAI.pdf GAI.ppt

10:15 Ion Current from Breakdowns in RF Structures

Speaker: Mr Magnus Johnson (Department of Nuclear and Particle Physics, Uppsala university)

Slides CLIC_breakdown_workshop_20080520_MJ.pdf

10:35 → 10:50 Coffee break

10:50 → 12:00 Review of Current Experimental Work II

10:50 Spectroscopic Analysis of DC and RF Breakdowns

Speaker: Jan Kovermann (III. Physikalisches Institut (B) - Rheinisch-Westfaelische Tech.)

Slides BDspectroscopy.pdf BDspectroscopy.ppt

11:20 DC Breakdown: Comparison of Different Materials

Speaker: Antoine Descoeudres (CERN)

Slides Brkd_Wrkshp_Materials_080520.pdf Brkd_Wrkshp_Materials_080520.ppt

11:40 Outgassing Measurements in DC Breakdowns

Speaker: Yngve Inntjore Levinsen (Norges Teknisk-Naturvitens. Univ. (NTNU))

Slides outgassing.pdf.pdf

12:00 → 13:30 Lunch Break

13:30 → 14:30 Modelling I

13:30 Atomistic Simulations of Breakdown Triggers: Progress Report

Speaker: Flyura Djurabekova (University of Helsinki)

Slides djurabekova_may08.pdf djurabekova_may08.ppt

13:50 Delay Times in Breakdown Triggering

Speaker: Antoine Descoeudres (CERN)

Slides Brkd_Wrkshp_Delays_080520.pdf Brkd_Wrkshp_Delays_080520.ppt

14:10 Breakdown Triggers and Breakdown Rate

Speaker: Sergio Calatroni (CERN)

Slides BreakdownWorkshop-20.5.2008-Sergio.pdf BreakdownWorkshop-20.5.2008-Sergio.ppt

14:30 → 14:45 Coffee break

14:45 → 16:15 Modelling II

14:45 Scaling Laws in RF Accelerating Structures

Speaker: Alexej Grudiev (CERN)

Slides New_RF_constraint_update2008-04.pdf New_RF_constraint_update2008-04.ppt

15:15 Some Observations During High Gradient Linac Testing at 17GHz using a Power Amplifying Dual Resonant Ring

Speaker: Jake Haimson

Slides

• CERN_may08.pdf
• CERN_may08.ppt
• MVI_0480.AVI

15:30 Power Circulation in a CLIC Accelerating Structure

Speaker: Igor Syratchev (CERN)

Slides Recirculation_III.pdf Recirculation_III.ppt

15:45 RF Design Options for Quenching Breakdowns

Speaker: Riccardo Zennaro (CERN)

Slides RF_Design_Options_for_Quenching_Breakdowns_.ppt.pdf RF_Design_Options_for_Quenching_Breakdowns_.ppt.ppt

16:15 → 17:00 Discussion and Perspectives

17:00 → 17:20 End of the meeting