ICFA Mini-Workshop on Slow Extraction, 2019

Jul 22, 2019, 8:00 AM → Jul 24, 2019, 7:30 PM US/Central

1 West (Fermilab)

Vladimir Nagaslaev (Fermilab)

Overview

---

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, July 22

8:00 AM → 8:30 AM Registration

Convener: Dr Vladimir Nagaslaev (Fermilab)

8:30 AM → 9:45 AM Session 1: Workshop Welcome and Motivation

Convener: Dr Vladimir Nagaslaev (Fermilab)

8:30 AM Welcome and Introduction

Speaker: Dr Vladimir Nagaslaev (Fermilab)

Slides Welcome.pptx

8:45 AM Mu2e Experiment and Requirements for the SX

Speaker: Dr Robert Bernstein (Fermilab)

Slides Bernstein-SlowExtraction.pdf

9:15 AM Status of the SX for the Mu2e Experiment

Speaker: Dr Vladimir Nagaslaev (Fermilab)

Slides SX_Mu2e_Overview.pptx

9:45 AM → 10:10 AM Coffee break

10:10 AM → 1:00 PM Session 2: Existing and new Facilities

Convener: Brennan Goddard (CERN)

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

Speaker: Denton Morris (Fermilab)

Slides SX_From_Fermilab_Main_Injector_Final.pptx

10:40 AM Overview of Slow Extraction at CERN

Speaker: Matthew Fraser (CERN)

Slides MFraser_FNAL_CERN_SLOEX_overview_short.pptx

11:00 AM J-PARC Slow Extraction Status and Plans

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

Slides J-PARC-SE-2019SXworkshop.pdf

11:30 AM 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 PM Status and Progress in PIMMS-Family Machines

Speaker: Marco Pullia (CNAO)

Slides M._Pullia_-_Status_PIMMS_Family_Machines.pdf

12:30 PM Overview of Medical SX Machines in Japan

Speaker: Prof. Koji Noda (QST)

Slides noda.koji@qst.go.jp

1:00 PM → 2:00 PM Lunch break

2:00 PM → 3:30 PM Session 3: Existing and new methods for beam loss reduction, Part I

Convener: Kevin Brown (Brookhaven National Laboratory)

2:00 PM Advanced Control of Phase Space Presentation of Slow-Extraction Separatrix at ES

Speaker: Verena Kain (CERN)

Slides COSE_ICFA_slowExtraction2019.pptx

2:30 PM Diffuser for Loss Reduction

Speaker: Brennan Goddard (CERN)

Slides Passive_diffuser_results.pptx

3:00 PM Crystal Shadowing for Loss Reduction

Speaker: Francesco Velotti (CERN)

Slides crystal_shadowing.pdf

3:30 PM → 4:00 PM Coffee break

4:00 PM → 6:00 PM Session 4: Existing and new methods of the beam loss reduction, Part II

Convener: Denton Morris (Fermilab)

4:00 PM Using the multipoles and higher order effects in the 3rd integer Slow Extraction

Speaker: Dr Vladimir Nagaslaev (Fermilab)

Slides SX_Multipoles.pptx

4:30 PM Multipoles and demonstration of slow extraction loss reduction

Speaker: Matthew Fraser (CERN)

Slides MFraser_FNAL_CERN_OCTU.pptx

5:00 PM 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, July 23

9:00 AM → 10:00 AM Session 5: Beam quality and spill structure, Part I

Convener: Mrs Verena Kain (CERN)

9:00 AM Controlling the Temporal Spill Structure

Speaker: Michelangelo Pari (CERN)

Slides sx_workshop19_burst_extraction.pdf

9:30 AM Spill Regulation for J-PARC Slow Extraction

Speaker: Mr Ryotaro Muto (KEK)

Slides 20190723_RM_SpillRegulation.pdf

10:00 AM → 10:30 AM Coffee break

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

Convener: Dr Koji Noda (QST)

10:30 AM Spill Structure Improvements at GSI

Speaker: Rahul Singh (GSI)

Slides SE_Workshop_Singh

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

Speaker: Claude Krantz (MIT)

Slides KRANTZ_SlowExtraction2019.pdf

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

Speaker: Fiona Faber (HIT)

Slides Slow_Extraction_2019_Faber_Final.pdf

12:00 PM → 1:00 PM Lunch break

1:00 PM → 3:30 PM Session 7: Impact of dose rates and activation on hardware and Machine Protection

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

1:00 PM Burned Wires at MI Septa

Speaker: Denton Morris (Fermilab)

Slides Broken_Wires_in_the_Main_Injector_at_Fermilab.pptx

1:30 PM Machine Protection for SE at SPS

Speaker: Verena Kain (CERN)

Slides MachineProtection_SPS_ICFA.pptx

2:00 PM Machine Protection System for J-PARC Slow Extraction

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

Slides 20190723MPSforJPARC_SX.pdf

2:30 PM RF Excitation Modes in the MI Septa

Speaker: Robert Ainsworth (Fermilab)

Slides ESS_modes_SEW19.pdf ESS_modes_SEW19.pptx

3:00 PM Recent Experience with Slow Extraction Prompt Beam Loss Mapping Using FLUKA at SPS

Speaker: Luigi Salvatore Esposito

Slides 2019-07-23_Fermilab_ICFA.pptx

3:30 PM → 4:00 PM Coffee break

4:00 PM → 5:00 PM Fermilab Seminar: Overview of Slow Extraction Progress and Development at CERN

Speaker: Matthew Fraser (CERN)

Slides MFraser_FNAL_CERN_SLOEX_overview.pptx

5:00 PM → 6:30 PM Session 8: Special topics of Slow Extraction

Convener: Dr Marco Pullia (CNAO Foundation)

5:00 PM Slow Extraction of High Energy Leptons with RF on and SR

Speaker: Dr Yann Dutheil (CERN)

Slides Lepton_SX_Dutheil.pptx

5:30 PM Speeding up Numerical Simulations with PTC Maps at Arbitrary Order

Speaker: Francesco Velotti (CERN)

Slides SE_WS_ptc_tracking.pdf

6:00 PM Carbon Nanotube ES wire Studies at CERN

Speaker: Jan Borburgh (CERN)

Slides CNT_wire_CERN_experience_FINAL.pptx

7:00 PM → 9:00 PM Dinner

Wednesday, July 24

8:30 AM → 10:30 AM Session 9: Tutorial session

Convener: Matthew Fraser (CERN)

8:30 AM Machine Learning and Automated Optimisation

Speaker: Verena Kain (CERN)

Slides MachineLearning_slowExtraction.pptx

9:10 AM Analytical and Numerical Methods for Nonlinear Dynamics

Speaker: Timofey Zolkin

Slides Zolkin_Peoples2019.pdf

9:50 AM Recap on Beam Transit Time to Extraction

Speaker: Dr Marco Pullia (CNAO Foundation)

Slides Marco_Pullia_-_PhD_Thesis.pdf Transit_Time.pptx

8:31 AM → 10:30 AM Engineering session, Part I

Convener: Matthew Alvarez (Fermilab)

8:31 AM 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

9:00 AM 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

9:30 AM 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 AM Hardware changes to limit activation of the SPS slow extraction region

Speaker: Mr Jan Borburgh (CERN)

Slides ActivationReductionMaterialChoiceCERN_template.pptx

10:30 AM → 11:00 AM Coffee break

11:00 AM → 12:00 PM Session 10: Discussions

Convener: Dr Vladimir Nagaslaev (Fermilab)

11:00 AM Misc. discussion questions

Speaker: Dr Vladimir Nagaslaev (Fermilab)

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

Convener: Matthew Alvarez (Fermilab)

11:01 AM Measuring and Maintaining Septum Frame Rail Straightness

Speaker: Noah Curfman

Slides Measuring_and_Maintaining_Septum_Frame_Rail_Straightness.pptx

12:00 PM → 1:00 PM Lunch break

1:00 PM → 2:00 PM Session 11: Collaboration discussions, Workshop Summary

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

slides Discussions_final.pptx

1:00 PM Homework

Speaker: Brennan Goddard (CERN)

Slides Slow_extraction_Workshop_3_Homework_report_Brennan.pptx

1:20 PM Next Workshop

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

1:40 PM Final Thanks

Speaker: Dr Vladimir Nagaslaev (Fermilab)

Slides ConclusionsWS.pptx

2:00 PM → 5:00 PM Tours