Difference between revisions of "JLEIC Impedance"

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== Meeting Presentations ==
 
== Meeting Presentations ==
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=== 2019-11-11 ===
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<UL>
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<li>Mark Wiseman and Chuck Hutton [http://casa.jlab.org/MEIC%20meeting/impedance/2019-11-11/19%5F11%5F11%20JLEIC%20Bellows%20%2Epptx RF Shielded Bellows for JLEIC]</li>
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</li>
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<li>Frank Marhauser [http://casa.jlab.org/MEIC%20meeting/impedance/2019-11-11/2019%5FBellows%2Epdf Shielded and unshielded bellows - A brief review, and some numerical analysis for so-called low-impedance bellows]</li>
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</li>
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</UL>
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=== 2019-08-20 ===
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<UL>
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<li>Dan Wang [http://casa.jlab.org/MEIC%20meeting/impedance/2019-08-20/JLEIC%20meeting%5Ftalk%2D1%2Epdf The broad-band impedance budget in the accumulator ring of ALS-U project]</li>
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</li>
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</UL>
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=== 2019-07-16 ===
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<UL>
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<li>Tim Michalski [http://casa.jlab.org/MEIC%20meeting/impedance/2019-07-16/Impedance%20Meeting%20-%20Status%20and%20Outlook%20on%20Engineering%20Design%20-%2020190716%20TJM%20Rev%201.pptx Status and Outlook on Engineering Design]</li>
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</li>
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</UL>
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=== 2019-06-17 ===
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<UL>
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<li>Rui Li [http://casa.jlab.org/MEIC%20meeting/impedance/2019-06-17/multibunch%20spectra%20analysis%2Epdf Multibunch spectral analysis for uneven bunch fill]</li>
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</li>
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</UL>
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=== 2019-05-14 ===
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<UL>
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<li>Frank Marhauser [http://casa.jlab.org/MEIC%20meeting/impedance/2019-05-14/2019-05_14_May_Status_IR_Chamber%2Epdf Status of IR chamber impedance analyses]</li>
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<li>Gunn Tae Park [http://casa.jlab.org/MEIC%20meeting/impedance/2019-05-14/impedance_meeting%2Epdf Beam loading study of harmonic kicker]</li>
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</UL>
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=== 2019-04-22 ===
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<UL>
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<li>Rui Li [http://casa.jlab.org/MEIC%20meeting/impedance/2019-04-22/2019-04-22-Diffraction%20Model%2Epdf Overview of diffraction model of broadband impedance for RF cavities]</li>
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</li>
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</UL>
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=== 2019-03-25 ===
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<UL>
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<li>HyeKyoung Park [http://casa.jlab.org/MEIC%20meeting/impedance/2019-03-25/Imp%20mtg%2020190325%2Epptx The wakefield study results of crab cavity]</li>
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<li>Rui Li [http://casa.jlab.org/MEIC%20meeting/impedance/2019-03-25/impedance%20summary%203%2D25%2D19%2Epptx Summary of broadband and narrowband impedance studies for JLEIC]</li>
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</UL>
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=== 2019-2-22 ===
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<UL>
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<li>Shaoheng Wang [http://casa.jlab.org/MEIC%20meeting/impedance/2019-02-22/2019_02_22_LCBI%20Impedance%20Threshold%20in%20Ion%20Ring.pdf Narrow Band Impedance Threshold for Longitudinal Coupled Bunch Instability]</li>
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<li>Frank Marhauser [http://casa.jlab.org/MEIC%20meeting/impedance/2019-02-22/2019%5F02%5F22%20JLEIC%20impedance%20status%2Epptx JLEIC impedance status]</li>
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</UL>
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=== 2018-12-10 ===
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*Frank Marhauser [https://jeffersonlab-my.sharepoint.com/personal/lir_jlab_org/_layouts/15/onedrive.aspx?id=%2Fpersonal%2Flir%5Fjlab%5Forg%2FDocuments%2FImpedance%20Meeting%2F2018%2D12%2D10%5FJLEIC%5Fimpedance%5Fstatus%2Epdf&parent=%2Fpersonal%2Flir%5Fjlab%5Forg%2FDocuments%2FImpedance%20Meeting Impedance Status]
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*Vasiliy Morozov [https://jeffersonlab-my.sharepoint.com/personal/lir_jlab_org/_layouts/15/onedrive.aspx?id=%2Fpersonal%2Flir%5Fjlab%5Forg%2FDocuments%2FAttachments%2FMorozov%5FIR%5Fbeampipe%5Fcollimators%5F10dec18%2Epptx&parent=%2Fpersonal%2Flir%5Fjlab%5Forg%2FDocuments%2FAttachments Status of IR Design and Collimators]
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*Rui Li [https://jeffersonlab-my.sharepoint.com/personal/lir_jlab_org/_layouts/15/onedrive.aspx?id=%2Fpersonal%2Flir%5Fjlab%5Forg%2FDocuments%2FAttachments%2FPresentation%2012%2D10%2D18%2Epdf&parent=%2Fpersonal%2Flir%5Fjlab%5Forg%2FDocuments%2FAttachments Discussion of JLEIC Impedance Priorities]
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=== 2018-08-02 ===
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*Kirsten Deitrick [https://www.dropbox.com/sh/496p39qyoa3wr98/AAD405Pk8zDFuCwMw5TdBiSva/Impedance?dl=0&preview=20180802_Broadband_Ion_Estimates_Deitrick.pptx&subfolder_nav_tracking=1 Ion Ring Broadband Impedance (Collision)]
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*Rui Li [https://www.dropbox.com/sh/496p39qyoa3wr98/AAD405Pk8zDFuCwMw5TdBiSva/Impedance?dl=0&preview=20180802_CBI_in_JLEIC_Li.pdf&subfolder_nav_tracking=1 Coupled Bunch Instability (CBI) in JLEIC]
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*Frank Marhauser [https://jlabdoc.jlab.org/docushare/dsweb/Get/Document-175975/18-041.pdf Progress on the Design of the JLEIC Ion Ring Cavities (JLAB-TN-18-041)]
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=== 2018-06-25 ===
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*Shaoheng Wang [https://www.dropbox.com/sh/496p39qyoa3wr98/AAD405Pk8zDFuCwMw5TdBiSva/Impedance?dl=0&preview=20180625_Long_Impedances_SWang.pptx&subfolder_nav_tracking=1 Cavity Longitudinal Impedance Thresholds Determination for Coupled Bunch Instability]
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*Kirsten Deitrick [https://www.dropbox.com/sh/496p39qyoa3wr98/AAD405Pk8zDFuCwMw5TdBiSva/Impedance?dl=0&preview=20180625_KickersAndBroadbandUpdate_Deitrick.pptx&subfolder_nav_tracking=1 Kickers and Update on Broadband Impedance]
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*Rui Li [https://www.dropbox.com/sh/496p39qyoa3wr98/AAD405Pk8zDFuCwMw5TdBiSva/Impedance?dl=0&preview=20180625_LCBI_+for_the_+Ion_Ring02_Li.pdf&subfolder_nav_tracking=1 Longitudinal Coupled Bunch Instability for the Ion Ring]
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*HyeKyoung Park [https://www.dropbox.com/sh/496p39qyoa3wr98/AAD405Pk8zDFuCwMw5TdBiSva/Impedance?dl=0&preview=20180625_CrabCavity_HOM_Park.pptx&subfolder_nav_tracking=1 Update on Crab Cavity HOMs]
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**[https://www.dropbox.com/sh/496p39qyoa3wr98/AAD405Pk8zDFuCwMw5TdBiSva/Impedance?dl=0&preview=20180625_CrabCavity_HOM_Park.xlsx&subfolder_nav_tracking=1 Spreadsheet of Crab Cavity HOMs]
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=== 2018-05-14 ===
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*Shaoheng Wang [https://www.dropbox.com/sh/496p39qyoa3wr98/AAD405Pk8zDFuCwMw5TdBiSva/Impedance?dl=0&preview=20180514_IR_Impedance_SWang.pptx&subfolder_nav_tracking=1 Impedance Calculation for Interaction Region in Colliders]
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*Rui Li [https://www.dropbox.com/sh/496p39qyoa3wr98/AAD405Pk8zDFuCwMw5TdBiSva/Impedance?dl=0&preview=20180514_Impedance_at_IPAC18_Li.pdf&subfolder_nav_tracking=1 Impedance Study at IPAC18]
  
 
=== 2018-03-19 ===
 
=== 2018-03-19 ===
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*Kirsten Deitrick [https://casa.jlab.org/wiki/images/3/32/20180319_Broadband_Estimates_Deitrick.pdf Broadband Longitudinal Impedance Estimates]
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*Kirsten Deitrick [https://www.dropbox.com/sh/496p39qyoa3wr98/AAD405Pk8zDFuCwMw5TdBiSva/Impedance?dl=0&preview=20180319_Broadband_Estimates_Deitrick_edit.pdf&subfolder_nav_tracking=1 Broadband Longitudinal Impedance Estimates]
  
 
=== 2018-03-02 (IR Chamber) ===
 
=== 2018-03-02 (IR Chamber) ===
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*Frank Marhauser [https://casa.jlab.org/wiki/images/5/5d/20180227_IR_Chamber_Marhauser.pdf Impedances in the EIC IR Chamber]
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*Frank Marhauser [https://www.dropbox.com/sh/496p39qyoa3wr98/AAD405Pk8zDFuCwMw5TdBiSva/Impedance?dl=0&preview=20180227_IR_Chamber_Marhauser.pdf&subfolder_nav_tracking=1 Impedances in the EIC IR Chamber]
  
 
=== 2018-02-19 ===
 
=== 2018-02-19 ===
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*HyeKyoung Park [https://casa.jlab.org/wiki/images/4/4e/20180219_Crab_Cavity_Updates_Park.pptx Crab Cavity Updates]
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*HyeKyoung Park [https://www.dropbox.com/sh/496p39qyoa3wr98/AAD405Pk8zDFuCwMw5TdBiSva/Impedance?dl=0&preview=20180219_Crab_Cavity_Updates_Park.pptx&subfolder_nav_tracking=1 Crab Cavity Updates]
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*Salvador Sosa [https://casa.jlab.org/wiki/images/4/46/20180219_Crab_HOM_Sosa.pptx Power from Longitudinal Crab Cavity HOMs]
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*Salvador Sosa [https://www.dropbox.com/sh/496p39qyoa3wr98/AAD405Pk8zDFuCwMw5TdBiSva/Impedance?dl=0&preview=20180219_Crab_HOM_Sosa.pptx&subfolder_nav_tracking=1 Power from Longitudinal Crab Cavity HOMs]
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*Mark Wiseman [https://casa.jlab.org/wiki/images/4/46/20180219_IR_Bellows_requirements_Wiseman.pptx IR Bellows Requirement]
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*Mark Wiseman [https://www.dropbox.com/sh/496p39qyoa3wr98/AAD405Pk8zDFuCwMw5TdBiSva/Impedance?dl=0&preview=20180219_IR_Bellows_requirements_Wiseman.pptx&subfolder_nav_tracking=1 IR Bellows Requirement]
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*Rui Li [https://casa.jlab.org/wiki/images/4/48/20180219_Instability_thresholds_for_JLEIC_impedances_Li.pdf Impedance Thresholds from the Instability Estimations]
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*Rui Li [https://www.dropbox.com/sh/496p39qyoa3wr98/AAD405Pk8zDFuCwMw5TdBiSva/Impedance?dl=0&preview=20180219_Instability_thresholds_for_JLEIC_impedances_Li.pdf&subfolder_nav_tracking=1 Impedance Thresholds from the Instability Estimations]
  
 
=== 2017-12-04 ===
 
=== 2017-12-04 ===
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*Rui Li [https://casa.jlab.org/wiki/images/e/e0/20171204_Discussion_of_Impedance_copy_Li.pdf Discussion on Concepts of Wakefield and Impedance]
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*Rui Li [https://www.dropbox.com/sh/496p39qyoa3wr98/AAD405Pk8zDFuCwMw5TdBiSva/Impedance?dl=0&preview=20171204_Discussion_of_Impedance_copy_Li.pdf&subfolder_nav_tracking=1 Discussion on Concepts of Wakefield and Impedance]
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*Suba De Silva [https://casa.jlab.org/wiki/images/1/1c/20171204_HOM_and_Impedance_Analysis_for_RF-Dipole_Cavity_DeSilva.pdf HOM and Impedance Analysis for Crabbing Cavity System]
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*Suba De Silva [https://www.dropbox.com/sh/496p39qyoa3wr98/AAD405Pk8zDFuCwMw5TdBiSva/Impedance?dl=0&preview=20171204_HOM_and_Impedance_Analysis_for_RF-Dipole_Cavity_DeSilva.pdf&subfolder_nav_tracking=1 HOM and Impedance Analysis for Crabbing Cavity System]
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== Relevant R&D Presentations ==
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*Rui Li [https://casa.jlab.org/MEIC%20meeting/20180412/Ion_Trapping_in_the_JLEIC_e-Ring.pdf Ion Effects in the JLEIC Electron Collider Ring] (2018-03-15)
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*Rui Li [http://casa.jlab.org/MEIC%20meeting/20170720/Detailed_Studies_of_LCBI_in_JLEIC.pdf Detailed Studies of Longitudinal Coupled Bunch Instabilities in JLEIC] (2017-07-20)
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*Rui Li [http://casa.jlab.org/MEIC%20meeting/20170608/CollecInstabiliUpdate.pdf Instabilities and Collective Effects] (2017-06-08)
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*Rui Li [http://casa.jlab.org/MEIC%20meeting/20170323/InstabilityEstimatesforJLEIC.pdf Status of Instability Estimation for JLEIC] (2017-03-23)
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*Rui Li [http://casa.jlab.org/MEIC%20meeting/20170223/Collective_Effects_RuiLi.pptx JLEIC Collective Effects] (2017-02-23)
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*Rui Li [http://casa.jlab.org/MEIC%20meeting/20170209/Discussion_Impedance_Budget.pdf Discussion of Impedance Budget] (2017-02-09)
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*Older presentations exist, see [https://casa.jlab.org/wiki/index.php/MEIC_R%26D_Meeting_%282:30_PM_Thursday%29 MEIC R&D Meeting webpage]
  
 
== Other Links ==
 
== Other Links ==
 
*[https://docs.google.com/spreadsheets/d/10zJtG1uYbYxbIB8b1wneGWz8duvobKOtvUo9ZqGpg2Y/edit#gid=0 Impedance Budgets and Estimates Spreadsheet]
 
*[https://docs.google.com/spreadsheets/d/10zJtG1uYbYxbIB8b1wneGWz8duvobKOtvUo9ZqGpg2Y/edit#gid=0 Impedance Budgets and Estimates Spreadsheet]
 
**Part counts, impedance values from other machines, JLab simulation results, estimates, references
 
**Part counts, impedance values from other machines, JLab simulation results, estimates, references
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**To add simulation results, email Kirsten (deitrick@jlab.org)
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**Everyone can add simulation results - email Kirsten (kdeit001@odu.edu) if you have questions
  
  

Latest revision as of 14:05, 14 November 2019

Meeting Presentations

2019-11-11

2019-08-20

2019-07-16

2019-06-17

2019-05-14

2019-04-22

2019-03-25

2019-2-22

2018-12-10

2018-08-02

2018-06-25

2018-05-14

2018-03-19

2018-03-02 (IR Chamber)

2018-02-19

2017-12-04

Relevant R&D Presentations

Other Links

  • Impedance Budgets and Estimates Spreadsheet
    • Part counts, impedance values from other machines, JLab simulation results, estimates, references
    • Everyone can add simulation results - email Kirsten (kdeit001@odu.edu) if you have questions


Other Impedance Groups

  • KEK
    • Section 1.5
  • CERN
    • Machine specific models seem to be behind login
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