Difference between revisions of "Feb 21, 2023 - CIS Group meeting"

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== Agenda ==
 
== Agenda ==
  
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=== Upcoming CEBAF/UITF jobs ===
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* Joe (5)
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* SAD is coming ... [[media:SAD_discussion_300123.pdf]]
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** JLAAC dry runs next week, maybe 3/3 [[media:JLab_AAC_Agenda_Mar2023.pdf]]
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* Matt's rough timeline [[media:230206_SAD_planning_meeting_with rough timeline.docx]]
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** LDRD will be announced soon, will prioritize Jlab upgrades (22 GeV/e+)
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* Warm girder assembly (upcoming plans, using UITF or LERF)
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** Nate proposing significant BPM upgrade, if you want to be at the table (Riad?, Max?)
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* Status of UITF (booster, status of gun testing)
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** Response to ARDAP LOI due today...
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* CEBAF "200 kV" jobs (Marcy's vacuum "hook-ups", Carlos' HV Conditioning TOSP, Phil's plans for the harp)
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* Carlos/all (25) Gun and SAD jobs
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** Gun install schedule update [[Media:Gun swap planning ver Apr 4 2023.pptx]]
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**[[Media:Gun swap planning 1 week before and 1 week after SAD start.pptx]]
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** (Max) 200 kV gun optics and 2I steering - https://tasklists.jlab.org/bslist/tasks/108544
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** (Max) 200 keV Wien filter optics - https://tasklists.jlab.org/bslist/tasks/108547
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** (Max) Test IHA0I02 after maintenance - https://tasklists.jlab.org/bslist/tasks/108546
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* All (30) Your research projects, deadlines, papers, etc.
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** (Max) Very different focal lengths of the gun field at CEBAF now vs. R30-3
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*** Cathode-grid scan, orbit measured with BPMs: fake single-particle scan for comparison with simulation
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*** CEBAF gun, measured Jan 18: [[Media:Gunkick_cebaf_measured_trajectories.pdf|trajectories (extrapolated)]], [[Media:Gunkick_cebaf_measured_spread.pdf|aggregated to RMS]], [[Media:Gunkick_cebaf_measured_focus.pdf|focal length]]
 +
*** CEBAF gun, GPT: [[Media:Gunkick_cebaf_gpt_trajectories.pdf|trajectories]], [[Media:Gunkick_cebaf_gpt_spread.pdf|aggregated to RMS]], [[Media:Gunkick_cebaf_gpt_focus.pdf|focal length]]
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*** R30-3 gun, GPT: [[Media:Gunkick_r30_gpt_trajectories.pdf|trajectories]], [[Media:Gunkick_r30_gpt_spread.pdf|aggregated to RMS]], [[Media:Gunkick_r30_gpt_focus.pdf|focal length]]
 +
*** cannot be extrapolated to high space charge
  
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=== Group Updates ===
 
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* Upcoming meeting
 
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* Updates from around the room
 
  
 
=== Upcoming Meetings/Dates ===
 
=== Upcoming Meetings/Dates ===
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* February 10, Alex's deadline to update for March GSRA meeting
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* February 22 (noon), G. Blume (20) Commissioning of the Compton transmission polarimeter (SRF Gun meeting)
  
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* February 13, Xelera visit for e+ SBIR Phase 1 (Karl, Val, Colwyn, Joe)
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* March 2 (11am), Y. Zhou, "Photoemission from biased metal surfaces”, Accelerator Division Seminar
  
 
* March 5-10, APS Meeting, Las Vegas (Riad, Matt) - https://march.aps.org/
 
* March 5-10, APS Meeting, Las Vegas (Riad, Matt) - https://march.aps.org/
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* March 8-10, JLab Accelerator Advisory Committee Review
 
* March 8-10, JLab Accelerator Advisory Committee Review
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** Charge [[media:JLAAC_Charge_Mar_2023.docx]]
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** Agenda & charge [[media:JLab_AAC_Agenda_Mar2023.pdf]] [[media:JLAAC_Charge_Mar_2023.docx]]
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** Agenda [[media:JLab_AAC_Agenda_Mar_2023_v3.docx]]
 
  
 
* March 15, GSRA Annual Review (1-4 pm)
 
* March 15, GSRA Annual Review (1-4 pm)
  
 
* March 20, SAD Begins
 
* March 20, SAD Begins
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** Shawn's recent calendar [[media:SAD_discussion_300123.pdf]]
 
** Shawn's recent calendar [[media:SAD_discussion_300123.pdf]]
  
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** A. Ushakov et al., "Conceptual Design of a High-Power Target for Positron Production at CEBAF" [[media:abstract-1794.pdf]]
 
** A. Ushakov et al., "Conceptual Design of a High-Power Target for Positron Production at CEBAF" [[media:abstract-1794.pdf]]
 
** S. Zhang, "What We Learned From Operating Electron Accelerators with Variable bunch Frequencies at JLab" [[media:IPAC23 abstract_Zhang.pdf]]
 
** S. Zhang, "What We Learned From Operating Electron Accelerators with Variable bunch Frequencies at JLab" [[media:IPAC23 abstract_Zhang.pdf]]
 +
 
* May 15-19, LCWS2023 International Workshop on Linear Colliders (Andriy) - https://indico.slac.stanford.edu/event/7467/overview
 
* May 15-19, LCWS2023 International Workshop on Linear Colliders (Andriy) - https://indico.slac.stanford.edu/event/7467/overview
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=== R&D/Project/Student updates ===
 

Latest revision as of 10:42, 4 April 2023

Agenda


Upcoming Meetings/Dates

  • February 22 (noon), G. Blume (20) Commissioning of the Compton transmission polarimeter (SRF Gun meeting)
  • March 2 (11am), Y. Zhou, "Photoemission from biased metal surfaces”, Accelerator Division Seminar
  • March 7-8, U. Va. Positron Working Group Meeting, Charlottesville - https://indico.jlab.org/event/680/
    • Joe Grames (20+5) - Ce+BAF concept and the challenging polarized e- source
    • Andriy Ushakov (15+5) - Positron target design and fatigue studies
    • Sami Habet (15+5) - Concept of a polarized positron injector for CEBAF
    • Dennis Turner (15+5) - Delivering e+ beams from LERF through Ce+BAF
  • March 15, GSRA Annual Review (1-4 pm)
  • March 23-24, KEK visit Yoshinori+
  • May 7-12, IPAC'23
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