Phase 1

Quick Phase 1 Links

ATLIS => Phase 1 ATLIS

8:30 Tools => CIS Phase 1 work plans

HCO => Phase 1 - HCO & Commissioning

Meetings=> AIPINJ - Upgrade Meetings

Schedule Status => media:210125_AIPINJ_Schedule.pdf

Major Phase 1 Beamline Components

Gun & Vacuum

200 kV gun - Cathode, anode and high voltage system

Injector upgrade vacuum improvements - Improvements in the vacuum design, use of getter and ion pumps

Y-chamber Laser Window - Evaluating the best window to minimize birefringence under stress

Solenoid Details

Agreed solenoid field direction convention => https://logbooks.jlab.org/entry/3256163

Phase 1 wiring diagram info => media:210419_Magnet_Wiring_v6.docx

FX beamline and FY chopper solenoids - New double-coil sw/cw capable solenoids with 38 mm (FX) and 46 mm (FY) ID

FG spin solenoids

Other Magnets

DR dipole (15 deg) - New 15 deg air core bend dipole replaces pre-existing DS dipole

PSS Kicker (upgraded for 200 kV upgrade) - New PSS kicker of reliable design to operate at 200 kV with shorter throw

WF Wien Filters (200 kV upgrade) - Upgraded Wien filters with 20 A magnetic coils and >18 kV electrodes to rotate spin of 200 keV electrons

QW Wien quadrupoles (200 kV upgrade) - New quads designed for 200 keV energy, w/ improved magnetic field quality

HD steering coils - New steering coils for the A1/A2 aperture cubes, improved design and for 200 keV energy

RF System

Chopping System (200 kV upgrade) - Choppers get higher power amplifiers, maybe a new chopping chamber

Pre-buncher cavity (200 kV upgrade) - Existing stainless steel pre-buncher replaced by copper cavity for higher power.

LLRF 3.0 Phase 1

Diagnostics

NEG coated 2.5 inch OD BPM's - Replacing (2) existing with (3) new BPM's, provide (x,x',y,y') from gun, help tuning

200 kV NEG Coated BPM's - New BPM's on beam pipe, NEG coated and absolutely mapped

A1/A2 Aperture Steering Cubes - Reinvented A1/A2 apertures define beam size and PSS kicker destination, include upgraded HD steering coils

Beamline viewers

ATLIS Tasks

Open, complete, re-scheduled statuses updated 3/15/21

AIPINJ

• Open 5D cold cathode gauge repositioning
• Open Insertable Upgrade on iocin3 for viewers, faraday cup, and yag viewer
• Open AIPINJ: temporary 5D beam line removal
• Open Removal/Er-installation of Part of 5D line in Inj.
• Open Gun high voltage conditioning
• Open Injector Wien Filter - system upgrade (2020 SAD)
• Open Mat'l Handling and Installation for Phase I of Inj. Upgrade
• Open Penetration Drops
• Open Remove and re-install BPM's Gun to chopper
• Open Removal of PSS kicker magnet injector segment
• Open Pedestal Location Surveys
• Open Install Chopper SSA's
• Open Remove and calibrate current monitoring electronics
• Open Harp work
• Open Testing Wien HV Controls at UITF
• Open Perform Installation work for newly added Injector bpm during 2020 SAD
• Open Install and Commission Wien filter Power Supplies
• Open Survey support for Injector Upgrade
• Open DC Power Support for Injector Upgrade
• Open STAC5 A1 Aperture Epics Controls

• Complete Chopper SSA LCW
• Complete IOCSE11 & IOCINSE4 BPM Controls Update
• Complete Install PSS jumpers for laser work at the Injector
• Complete Relocate Recepacles Downstairs in Injector Bldg.53
• Complete Install Lifting Plates in Ijn. Ceiling to Support 1/4 CM Swap

CIS SAD Tasks

• Open New Gun2 loading chamber
• Open CEBAF Lead Bricks : Collect, Sort, Clean, Paint, Store
• Placeholder for Tim Minga to test laser room smoke detector alarm to MCC/Guard
• Open No ATLis Fix IHWP readback during SAD

• Complete Injector Macropulse/Tune Mode Generator Modification

Injector Related SAD Tasks

• Open LLRF Diagnostics and Repairs in the Linacs and Injector
• Open April 2021 10 Amp System PM Maintenance
• Open Annual Crane Inspections Site wide May 17- May 27 2021
• Open VME FSD Master Card Commisioning
• Open 429 mHz Amp & Power supply being pulled for repair
• Open 2020 SAD Injector / North Linac 30 Hz System checks
• Open Install Ion Pump HV cables and mount Junction boxes on cable trays NL and INJ
• Open PSS Injector Interface Chassis removal
• Open PSS Injector Segment PLC Upgrade
• Open PSS CAMAC Relay cards replacement with VME versions for Injector and BSY
• Open I&C Injector Camac to Vme and camera upgrade
• Open I&C Upgrade harps to PC104
• Open I&C Upgrade existing ItoV System with ItoV VME cards
• Open I&C Accelerator network re-survey
• Open FAC Tunnel Fire Alarm and Suppression Replacement
• Open Apply labels to I&C components during 2020 SAD
• Open Neutron Detector System Installation (SAD 2020)
• Open UHV Power Supply Replacement (ISB)
• Open Trim Utility Chassis Upgrade - All CEBAF Trim Racks
• Open SAD 2020: P.M. of 24V Vacuum Power Supply Chassis
• Open VME crate upgrade to IOCIN3
• Open Remove old Sonitrol system hardware from NA and SA
• Open Shutdown of Panel I-BT in the Injector
• Open Insertable CAMAC to VME EPICS Controls upgrade Injector (iocin1->iocin1b)
• Open Software Controls PSS Injector and North Linac changes on iocsoftsafe2
• Open Perform Basic PM of 45 MeV spectrometer Power Supply
• Open 2020 SAD and Beyond CAMAC / VME PM maintenance and repairs
• Open iocin1 - VME crate replacement
• Open Study - Site Ground Loop
• Open Change transformer tap settings - oil filled transformers
• Open Injector Survey Monuments install
• Open Remove Old 45MeV Dump and re-Install at End of SAD

• Complete B53 (INJ SB) Panelboard PM

• Rescheduled Injector (prebuncher, buncher and choppers)- LLRF systems upgrade to 3.0 version