CLIC Breakdown Workshop

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

40-S2-B01 (CERN)

Sergio Calatroni (CERN)

1 Welcome

Speaker: Jean-Pierre Delahaye (CERN)

2 Introduction

Speaker: Sergio Calatroni (CERN)

Review of Current Experimental Work I

3 RF Breakdowns: Experiments and Goals

Speaker: Steffen Doebert (CERN)

Slides

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

4 Breakdown in RF Structures: Material Studies

Speaker: Gonzalo Arnau Izquierdo (CERN)

Slides GAI.pdf GAI.ppt

5 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 Coffee break

Review of Current Experimental Work II

6 Spectroscopic Analysis of DC and RF Breakdowns

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

Slides BDspectroscopy.pdf BDspectroscopy.ppt

7 DC Breakdown: Comparison of Different Materials

Speaker: Antoine Descoeudres (CERN)

Slides Brkd_Wrkshp_Materials_080520.pdf Brkd_Wrkshp_Materials_080520.ppt

8 Outgassing Measurements in DC Breakdowns

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

Slides outgassing.pdf.pdf

12:00 Lunch Break

Modelling I

9 Atomistic Simulations of Breakdown Triggers: Progress Report

Speaker: Flyura Djurabekova (University of Helsinki)

Slides djurabekova_may08.pdf djurabekova_may08.ppt

10 Delay Times in Breakdown Triggering

Speaker: Antoine Descoeudres (CERN)

Slides Brkd_Wrkshp_Delays_080520.pdf Brkd_Wrkshp_Delays_080520.ppt

11 Breakdown Triggers and Breakdown Rate

Speaker: Sergio Calatroni (CERN)

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

14:30 Coffee break

Modelling II

12 Scaling Laws in RF Accelerating Structures

Speaker: Alexej Grudiev (CERN)

Slides New_RF_constraint_update2008-04.pdf New_RF_constraint_update2008-04.ppt

13 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

14 Power Circulation in a CLIC Accelerating Structure

Speaker: Igor Syratchev (CERN)

Slides Recirculation_III.pdf Recirculation_III.ppt

15 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 Discussion and Perspectives

17 End of the meeting