LET Beam Dynamics Workshop at SLAC

11 Dec 2007, 08:30 → 13 Dec 2007, 18:00 GMT

ORANGE Room (SLAC)

Daniel Schulte (CERN), Kiyoshi Kubo (KEK), Paul L. G. Lebrun (Fermilab)

Conveners: Daniel Schulte (CERN), Paul Lebrun (FNAL) and Kiyoshi Kubo (KEK) Local Organization: Peter Tenenbaum (SLAC) Place: Orange Room (Central Lab.) (SLAC Maps http://www2.slac.stanford.edu/maps/slacarea.html )

List of Participants Participants.pdf

Plactical Information PracticalInfo-1.txt

WebEx Information Info-Webex.txt

Tuesday, 11 December

08:30 → 10:00 Identify Critical/Urgent issues (Chair: D.Schulte)

08:30 Opening

08:40 Beam dynamics issues in BDS (phone)

Speaker: Mrs Deepa Angal-Kalinin (CCLRC Daresbury)

Slides BDS.pdf BDS.ppt

09:00 Beam dynamics issues in RTML

Speaker: Dr Nikolay Solyak (FNAL)

Slides RTML_v4.pdf RTML_v4.ppt

09:20 Beam dynamics issues in Main Linac

Speaker: Chris Adolphsen (SLAC)

Slides Adolphsen_-_MLI_Work_Packages.pdf Adolphsen_-_MLI_Work_Packages.ppt

09:40 Organization of Beam dynamics works (preparation for Thursday afternoon session)

Speaker: Dr Kiyoshi Kubo (KEK)

Slides For_Organizing_LET_Beam-v03.pdf For_Organizing_LET_Beam-v04.pdf

10:00 → 10:30 break

10:30 → 12:00 Models of hardware, etc. (Chair: P.Lebrun)

10:30 Review of the "Information for simulation" session at FNAL Meeting

Speaker: Dr Kiyoshi Kubo (KEK)

Slides Review-FNALsession-v2.pdf

10:50 Laser Wire model, Laser Wire in Main Linac

Speaker: Dr Grahame Blair (Royal Holloway)

Slides blair_laser-wire.pdf

11:10 Ground motion and vibration model

Speakers: Dr Dirk Kruecker (DESY), Paul L. G. Lebrun (Fermilab)

Slides GroundMotion1.pdf GroundMotion1.pdf

11:30 Alignment model

Speaker: Dr Kiyoshi Kubo (KEK)

Slides Kubo-alignment-v06.pdf

12:00 → 13:30 lunch break

13:30 → 15:30 Models of hardware, etc., Lattice design (Chair: K.Kubo)

13:30 RF error model

Speaker: Daniel Schulte (CERN)

Slides rf.pdf

13:50 BPM models, Magnet models (presentations/discussions)

14:30 Status of the EDR lattices and near term goals

Speakers: Mark Woodley (SLAC), Dr Peter Tenenbaum (SLAC)

Paper LatticeStatusLETMeeting.pdf

15:00 Possible migration to Accelerator Makeup Language

Speaker: Dr Peter Tenenbaum (SLAC)

Slides AML_LETMeeting.pdf

15:30 → 16:00 break

16:00 → 17:30 RTML (Chair: D.Schulte)

16:00 Review of RTML tuning studies

Speaker: Mr Jeffrey Smith (SLAC)

Slides jeff_rtml_review.pdf

16:30 Status of RTML studies using Lucretia

Speaker: Mr Stephen Molloy (SLAC)

Slides let_20071211.odp let_20071211.pdf

16:50 Update of Bunch Compressor DFS studies

Speaker: Dr Kiyoshi Kubo (KEK)

Slides DFSinBC-200712.pdf

17:05 Alternative short bunch compressors

Speaker: Prof. Eun-San Kim (Kyungpook National Univ.)

Slides SLAC_BC1.pdf SLAC_BC1.ppt

Wednesday, 12 December

08:30 → 12:00 Spin dynamics, Main Linac (Chair before break: P.Lebrun, after break: K.Kubo)

08:30 HeLiCal spin dynamics simulations, status and plans

Speaker: Tony Hartin

Slides Spin_Dynamics_SLAC_LET.pdf Spin_Dynamics_SLAC_LET.ppt

09:00 Main Linac simulation, revisit and update

Speaker: Dr Kiyoshi Kubo (KEK)

Slides MLDFS+alpha.pdf

09:30 Main Linac simulations

Speaker: Dr Andrea Latina (CERN)

Slides main_linac.pdf

10:00 break

10:30 DFS with dynamic effects

Speaker: Dr Freddy Poirier (DESY)

Slides ML_DFS_ATLv1.5.pdf ML_DFS_ATLv1.5.ppt

11:00 Orthogonal bumps studies for Main Linac

Speaker: Dr Nikolay Solyak (FNAL)

Slides

• Orthogonal_Bumps.pdf
• Orthogonal_Correctors.pdf
• Orthogonal_Correctors.ppt
• Orthogonal_Correctors.ppt

11:30 Adaptive alignment for Main Linac

Speakers: Dr Nikolay Solyak (FNAL), V. Ivanov (FNAL)

Slides LET_BDW_07.pdf

12:00 → 13:30 lunch break

13:30 → 17:30 BDS, Feedbacks, Start to End simulations, Simulation codes (Chair before break: D.Schulte, after break: P.Lebrun)

13:30 BDS tuning simulation

Speaker: Dr Glen White (SLAC)

Slides ILC-LET2007.pdf ILC-LET2007.ppt

14:00 Static and Dynamic Alignment of the CLIC BDS

Speaker: Dr Andrea Latina (CERN)

Slides bds.pdf

14:30 Start to End simulations with intra-train feedback

Speaker: Dr Javier Resta Lopez (JAI, Oxford University)

Slides Start_to_End_Sim_Javier2.pdf Start_to_End_Sim_Javier2.ppt

15:00 break

15:30 Luminosity performance with multiple feedbacks

Speaker: Tony Hartin

Slides hartin_feedback_letws_Dec07.pdf

16:00 Lucretia status and plans

Speaker: Dr Peter Tenenbaum (SLAC)

Paper Lucretia_LETMeeting2007.pdf Lucretia_LETMeeting2007.ppt

16:30 PLACET : New features and plans

Speaker: Dr Andrea Latina (CERN)

Slides placet.pdf

17:00 CHEF status and plan

Speaker: Paul L. G. Lebrun (Fermilab)

Slides ChefUpgrade.pdf

18:30 → 20:30 Banquet (?18:30 ?)

Thursday, 13 December

08:30 → 12:00 Joint with Wakefield Workshop (Chair before break: K.Kubo, after break: TBC)

08:30 review report from wakefield workshop

Speakers: Dr Cho Ng (SLAC), Slava Yakovlev (FNAL)

Slides

• Slava.pdf
• Slava.ppt
• wakefest-summary.pdf
• wakefest-summary.ppt

09:20 Issues in Simulating the Effects of Wakefields

Speaker: Roger Barlow

Slides LET-Barlow.ppt.pdf LET-Barlow.ppt.ppt

09:40 Interfacing BDSIM with PLACET, wakefield calculations of collimator

Speaker: Dr Steve Malton (RHUL)

Slides bdsim-placet_ILCLET07.pdf bdsim-placet_ILCLET07.ppt

10:00 break

10:30 Beam dynamics simulations and wakefield in Main Linac

Speaker: Roger Jones

Slides Beam_Dynamics__and_HOMs.pdf Beam_Dynamics__and_HOMs.ppt

11:00 Merlin Simulations with Coupler Kicks

Speaker: Dr Dirk Kruecker (DESY)

Slides slacDec07.pdf slacDec07.ppt

11:30 Lumi scans with wakefields in Merlin

Speaker: Isabell Melzer-Pellmann (DESY)

Slides LET_SLAC_2007_12_13.pdf LET_SLAC_2007_12_13.ppt

12:00 → 13:30 lunch break

13:30 → 16:30 Summary and for Future plans (Chair: D.Schulte)

13:30 Hardware models, RTML Summmary

Speaker: Dr Kiyoshi Kubo (KEK)

Slides Sum-RTML-hardware-v2.pdf Sum-RTML-hardware-v2.ppt

13:50 Spin, Main Linac Summmary

Speaker: Paul L. G. Lebrun (Fermilab)

Slides SummarySpinDynAndML.pdf

14:10 BDS, Start to End Simulation, simulation codes Summary

Speaker: Daniel Schulte (CERN)

Slides summary.pdf summary.ppt

14:30 Work organization, future plans

Speaker: All

In the last session of the workshop, we agreed on assignments of Work Package coordinators (or point of contacts) as follow. The leader of each Area (C. Adolphsen for Main Linac and N. Solyak for RTML) proposed the assignments and led the discussion. Main Linac： Static tuning: Paul Lebrun (FNAL) Dynamic tuning: Freddy Poirier (DESY) Initial Alignment: Kiyoshi Kubo (KEK) Energy error: Daniel Schulte (CERN) RTML： Static tuning: Steve Molloy (SLAC) Dynamic tuning: Jeff Smith (SLAC) Stray field: Dmitri Sergatskov (FNAL) + ? Halo generation: tbc (Cornell) Alternative short BC: Eun-San Kim (KNU) Collimator : tbc

16:30 → 18:00 SLAC ILC Department holiday party (?)