ICFA Mini-Workshop on Slow Extraction, 2019

22 Jul 2019, 08:00 → 24 Jul 2019, 19:30 US/Central

1 West (Fermilab)

Vladimir Nagaslaev (Fermilab)

Overview

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Following the success of the Slow Extraction Workshop at GSI, 2016 and the Slow Extraction Workshop at CERN, 2017 , a new Slow Extraction Workshop-III will be held at Fermilab in July, 2019.

Monday, 22 July

08:00 → 08:30 Registration

Convener: Dr Vladimir Nagaslaev (Fermilab)

08:30 → 09:45 Session 1: Workshop Welcome and Motivation

Convener: Dr Vladimir Nagaslaev (Fermilab)

08:30 Welcome and Introduction

Speaker: Dr Vladimir Nagaslaev (Fermilab)

Slides Welcome.pptx

08:45 Mu2e Experiment and Requirements for the SX

Speaker: Dr Robert Bernstein (Fermilab)

Slides Bernstein-SlowExtraction.pdf

09:15 Status of the SX for the Mu2e Experiment

Speaker: Dr Vladimir Nagaslaev (Fermilab)

Slides SX_Mu2e_Overview.pptx

09:45 → 10:10 Coffee break

10:10 → 13:00 Session 2: Existing and new Facilities

Convener: Brennan Goddard (CERN)

10:10 Overview of the SX in the Main Injector at Fermilab

Speaker: Denton Morris (Fermilab)

Slides SX_From_Fermilab_Main_Injector_Final.pptx

10:40 Overview of Slow Extraction at CERN

Speaker: Matthew Fraser (CERN)

Slides MFraser_FNAL_CERN_SLOEX_overview_short.pptx

11:00 J-PARC Slow Extraction Status and Plans

Speaker: Prof. Masahito Tomizawa (KEK/J-PARC)

Slides J-PARC-SE-2019SXworkshop.pdf

11:30 Slow Extraction and Spill Control from BNLs AGS and Booster

Speaker: Kevin Brown (Brookhaven National Laboratory)

Slides BNLSlowExtraction_ICFA_SXWS_2019.pdf BNLSlowExtraction_ICFA_SXWS_2019.pptx

12:00 Status and Progress in PIMMS-Family Machines

Speaker: Marco Pullia (CNAO)

Slides M._Pullia_-_Status_PIMMS_Family_Machines.pdf

12:30 Overview of Medical SX Machines in Japan

Speaker: Prof. Koji Noda (QST)

Slides noda.koji@qst.go.jp

13:00 → 14:00 Lunch break

14:00 → 15:30 Session 3: Existing and new methods for beam loss reduction, Part I

Convener: Kevin Brown (Brookhaven National Laboratory)

14:00 Advanced Control of Phase Space Presentation of Slow-Extraction Separatrix at ES

Speaker: Verena Kain (CERN)

Slides COSE_ICFA_slowExtraction2019.pptx

14:30 Diffuser for Loss Reduction

Speaker: Brennan Goddard (CERN)

Slides Passive_diffuser_results.pptx

15:00 Crystal Shadowing for Loss Reduction

Speaker: Francesco Velotti (CERN)

Slides crystal_shadowing.pdf

15:30 → 16:00 Coffee break

16:00 → 18:00 Session 4: Existing and new methods of the beam loss reduction, Part II

Convener: Denton Morris (Fermilab)

16:00 Using the multipoles and higher order effects in the 3rd integer Slow Extraction

Speaker: Dr Vladimir Nagaslaev (Fermilab)

Slides SX_Multipoles.pptx

16:30 Multipoles and demonstration of slow extraction loss reduction

Speaker: Matthew Fraser (CERN)

Slides MFraser_FNAL_CERN_OCTU.pptx

17:00 Tutorial: Kobayashi (N-turn) Hamiltonians for Slow Extraction Optics Design

Speaker: Dr Steve Peggs (BNL)

Slides Peggs_SX_190722.key Peggs_SX_190722.pdf

Tuesday, 23 July

09:00 → 10:00 Session 5: Beam quality and spill structure, Part I

Convener: Mrs Verena Kain (CERN)

09:00 Controlling the Temporal Spill Structure

Speaker: Michelangelo Pari (CERN)

Slides sx_workshop19_burst_extraction.pdf

09:30 Spill Regulation for J-PARC Slow Extraction

Speaker: Mr Ryotaro Muto (KEK)

Slides 20190723_RM_SpillRegulation.pdf

10:00 → 10:30 Coffee break

10:30 → 12:00 Session 6: Beam quality and spill structure, Part II

Convener: Dr Koji Noda (QST)

10:30 Spill Structure Improvements at GSI

Speaker: Rahul Singh (GSI)

Slides SE_Workshop_Singh

11:00 Spill Stabilisation by Tune Ripple Cancellation at Ion-Beam Therapy Synchrotrons

Speaker: Claude Krantz (MIT)

Slides KRANTZ_SlowExtraction2019.pdf

11:30 Advanced RF-KO excitation methods for high quality spills

Speaker: Fiona Faber (HIT)

Slides Slow_Extraction_2019_Faber_Final.pdf

12:00 → 13:00 Lunch break

13:00 → 15:30 Session 7: Impact of dose rates and activation on hardware and Machine Protection

Convener: Prof. Masahito Tomizawa (KEK/J-PARC)

13:00 Burned Wires at MI Septa

Speaker: Denton Morris (Fermilab)

Slides Broken_Wires_in_the_Main_Injector_at_Fermilab.pptx

13:30 Machine Protection for SE at SPS

Speaker: Verena Kain (CERN)

Slides MachineProtection_SPS_ICFA.pptx

14:00 Machine Protection System for J-PARC Slow Extraction

Speaker: Dr Takuro Kimura (KEK/J-PARC)

Slides 20190723MPSforJPARC_SX.pdf

14:30 RF Excitation Modes in the MI Septa

Speaker: Robert Ainsworth (Fermilab)

Slides ESS_modes_SEW19.pdf ESS_modes_SEW19.pptx

15:00 Recent Experience with Slow Extraction Prompt Beam Loss Mapping Using FLUKA at SPS

Speaker: Luigi Salvatore Esposito

Slides 2019-07-23_Fermilab_ICFA.pptx

15:30 → 16:00 Coffee break

16:00 → 17:00 Fermilab Seminar: Overview of Slow Extraction Progress and Development at CERN

Speaker: Matthew Fraser (CERN)

Slides MFraser_FNAL_CERN_SLOEX_overview.pptx

17:00 → 18:30 Session 8: Special topics of Slow Extraction

Convener: Dr Marco Pullia (CNAO Foundation)

17:00 Slow Extraction of High Energy Leptons with RF on and SR

Speaker: Dr Yann Dutheil (CERN)

Slides Lepton_SX_Dutheil.pptx

17:30 Speeding up Numerical Simulations with PTC Maps at Arbitrary Order

Speaker: Francesco Velotti (CERN)

Slides SE_WS_ptc_tracking.pdf

18:00 Carbon Nanotube ES wire Studies at CERN

Speaker: Jan Borburgh (CERN)

Slides CNT_wire_CERN_experience_FINAL.pptx

19:00 → 21:00 Dinner

Wednesday, 24 July

08:30 → 10:30 Session 9: Tutorial session

Convener: Matthew Fraser (CERN)

08:30 Machine Learning and Automated Optimisation

Speaker: Verena Kain (CERN)

Slides MachineLearning_slowExtraction.pptx

09:10 Analytical and Numerical Methods for Nonlinear Dynamics

Speaker: Timofey Zolkin

Slides Zolkin_Peoples2019.pdf

09:50 Recap on Beam Transit Time to Extraction

Speaker: Dr Marco Pullia (CNAO Foundation)

Slides Marco_Pullia_-_PhD_Thesis.pdf Transit_Time.pptx

08:31 → 10:30 Engineering session, Part I

Convener: Matthew Alvarez (Fermilab)

08:31 Mu2e ESS Design Update

Speaker: Matthew Alvarez (Fermilab)

Slides

• 00_Mu2e Design Update for 2019 SX Workshop
• CNT Wire measurements of Hitachi Wire and DExMat (USA)
• Foil Flatness Measurements and other related tests
• Frame Adjustment
• Mu2e HVF Recirculating Water Test
• Slow Motion Videos of Foil Retraction
• summary

09:00 Septum Wire Deflection Under High ES Field

Speaker: Bruno Balhan

Slides

• analyse_meb_fils_wre_apres_rupture.pdf
• SPs_ZS_wire_deflection.pptx
• zs_1.JPG
• zs_2.JPG

09:30 Electrostatic Septa for J-PARC Slow Extraction

Speaker: Mr yoshitsugu arakaki (KEK)

Slides Electrostatic_septa_for_J-PARC_Slow_extraction.pdf J-PARC-SE-2019SXworkshop_tomizawa_cnt.pdf

10:00 Hardware changes to limit activation of the SPS slow extraction region

Speaker: Mr Jan Borburgh (CERN)

Slides ActivationReductionMaterialChoiceCERN_template.pptx

10:30 → 11:00 Coffee break

11:00 → 12:00 Session 10: Discussions

Convener: Dr Vladimir Nagaslaev (Fermilab)

11:00 Misc. discussion questions

Speaker: Dr Vladimir Nagaslaev (Fermilab)

11:01 → 12:00 Engineering session, Part II

Convener: Matthew Alvarez (Fermilab)

11:01 Measuring and Maintaining Septum Frame Rail Straightness

Speaker: Noah Curfman

Slides Measuring_and_Maintaining_Septum_Frame_Rail_Straightness.pptx

12:00 → 13:00 Lunch break

13:00 → 14:00 Session 11: Collaboration discussions, Workshop Summary

Conveners: Brennan Goddard (CERN), Prof. Masahito Tomizawa (KEK/J-PARC), Dr Vladimir Nagaslaev (Fermilab)

slides Discussions_final.pptx

13:00 Homework

Speaker: Brennan Goddard (CERN)

Slides Slow_extraction_Workshop_3_Homework_report_Brennan.pptx

13:20 Next Workshop

Speaker: Prof. Masahito Tomizawa (KEK/J-PARC)

13:40 Final Thanks

Speaker: Dr Vladimir Nagaslaev (Fermilab)

Slides ConclusionsWS.pptx

14:00 → 17:00 Tours