Thomas Jefferson National Accelerator Facility Page 1 UITF Progress meeting What we started with… UITF as imagined Upgraded Injector Test Facility - UITF.

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Presentation transcript:

Thomas Jefferson National Accelerator Facility Page 1 UITF Progress meeting What we started with… UITF as imagined Upgraded Injector Test Facility - UITF

Thomas Jefferson National Accelerator Facility Page 2 UITF Progress meeting Please assess the viability of this facility. Will it work? Ops Review is a precursor to an Internal Safety Review tentatively planned for April More reviews to follow, including: Conduct of Operations Review in May, with SCMB, Accelerator Readiness review July+ Experiment Readiness Review prior to HDIce installation Everyone is saturated with work, thank you for your time Purpose of this Ops Review

Thomas Jefferson National Accelerator Facility Page 3 UITF Progress meeting Overview: What is it for? What will it do? Schedule, funding, who is working on this project? Official User HDIce (+ testing the new ¼ cryomodule) Present status Beamline design Operational perspective Optics modeling Gun HV supply and Drive Laser MPS What are the key concerns that could jeopardize functionality? UITF Ops Review - Outline

Thomas Jefferson National Accelerator Facility Page 4 UITF Progress meeting UITF is for Commissioning HDIce

Thomas Jefferson National Accelerator Facility Page 5 UITF Progress meetingHDIce Cryogenic target, polarized by “brute force” B-field Takes months to fabricate a polarized target. Target can be depolarized by heat produced by beam UITF beam tests will help us define proper operating conditions at 11 GeV CEBAF 3 run periods per year, each run 3 weeks duration, for 3 years Target here e-beam

Thomas Jefferson National Accelerator Facility Page 6 UITF Progress meeting UITF and the new ¼ Cryomodule An opportunity to test the new ¼ CM, which will be ready for commissioning at CMTF in June Space at UITF is tight, but our layout shares many features in common with CEBAF “injector–upgrade” layout UITF will use old ¼ CM after we install new ¼ CM at CEBAF

Thomas Jefferson National Accelerator Facility Page 7 UITF Progress meeting UITF Schedule April: Cryogenic work complete, ¼ CM connection to CTF May: klystrons and controls complete, waveguide getting installed June: new ¼ CM complete + tested at CMTF July: new ¼ CM installed at UITF, keV beamline complete, the gun ready for high voltage, ODH and PSS complete, CARMs installed, U-tubes installed August: all Facilities work complete, we can make radiation in our locked enclosure. Ops software and EES work nearly complete September-December: CIS making keV beam, building MeV beamline, poised for MeV beam when CTF available HDIce tests with beam, January 2017

Thomas Jefferson National Accelerator Facility Page 8 UITF Progress meeting Monthly Meetings with Mont Purpose: to inform Lab Leadership of the UITF status Action Items (from previous meetings) Project Update –Progress Update –Milestones Update –Budget Update –Highlights & Concerns –Next meeting agenda

Thomas Jefferson National Accelerator Facility Page 9 UITF Progress meeting Major components Facilities Engineering Mech Design Installation Cryo Safety Systems I&C DC Power Low Level RF systems High Power RF Survey & Alignment SRF Build new ¼ CM Commission with RF Ops and CASA Network and communications Software Beamline design UITF “Players” Green means we can see progress

Thomas Jefferson National Accelerator Facility Page 10 UITF Progress meeting Major components Source Group Reliable 350kV ops Beam to cup in front of ¼ CM Beam to cup in front of HDIce EHSQ Shielding approval, ODH assessment Global hazard review FSAD Accel Readiness Review Commissioning Plan HDIce Installation at Cave Beam on HDIce Progress Update Green means we can see progress

Thomas Jefferson National Accelerator Facility Page 11 UITF Progress meeting Charge Codes! Facilities ITFPTB UITFBL ITFCRY Facilities Cryo Infrastructure including some RF Polarized Target Beamline UITF

Thomas Jefferson National Accelerator Facility Page 12 UITF Progress meeting Budget UITFBL

Thomas Jefferson National Accelerator Facility Page 13 UITF Progress meeting Budget ITFCRY

Thomas Jefferson National Accelerator Facility Page 14 UITF Progress meeting Budget ITFPTB

Thomas Jefferson National Accelerator Facility Page 15 UITF Progress meeting

Thomas Jefferson National Accelerator Facility Page 16 UITF Progress meeting Cave 1 electric and network complete NEXT: Clean off ledge and move IPC Status Facilities

Thomas Jefferson National Accelerator Facility Page 17 UITF Progress meeting Status Facilities Interior walls to be painted soon, bracing added for seismic support. Second layer craned into place. Precast blocks to arrive in May, labyrinth and ceiling in place July

Thomas Jefferson National Accelerator Facility Page 18 UITF Progress meeting Facilities (T. Renzo)

Thomas Jefferson National Accelerator Facility Page 19 UITF Progress meeting Facilities Tasks and Timeline February 2016 Cave1 electrical work complete Facilities has issued PR for Cave2 concrete and bracing, out for bids March Installation Group willing to secure Cave2 structure, install other utilities April Facilities moves IPC outside Cave2 Concrete for Cave2 arriving on site, installing it Physics installs 2nd layer of concrete, adds bracing May Cave2 including labyrinth complete, roof not yet installed June Facilities focus shifts to utilities inside Cave2: electricity, lights, fire suppression, gate July Facilities continues to work on utilities inside Cave2: electricity, lights, fire suppression, gate August Facilities completes utilities inside Cave2: electricity, lights, fire suppression, gate, entire Cave2 roof installed. All bracing complete Facilities provides power to big Bertha from diesel generator (this could happen later, since no Beam to HDIce until Jan 2017)

Thomas Jefferson National Accelerator Facility Page 20 UITF Progress meeting Installed transfer line, leak checked OK Purchased a turbo pump for leaky shield line Building the heat exchanger Controls getting worked Status Cryo Group

Thomas Jefferson National Accelerator Facility Page 21 UITF Progress meeting Met with Cryo, SRF, RF, and Kazimi of Ops Discussed relief valves from ODH point of view Who does what? e.g. Cryo makes u-tubes and SRF stabs them, Cryo pulls cables, SRF provides connectors Expect 8 MeV beam with available klystrons Status New ¼ CM Test at CMTF June Install at UITF July

Thomas Jefferson National Accelerator Facility Page 22 UITF Progress meeting Cryo, SRF, RF and new 1/4 CM We agreed on means to “park” the ¼ CM when not accelerating beam: circulate 80K LN2 through 35K shield line. UITF should not be a burden on CTF 34 wks per year LN2 temp could fluctuate 80 to 100 K, no problem for parking but…. How to cool HDIce? We will purchase dewars to get started, and capture boil off via warm return Draft ODH assessment complete: ODH0 except when swapping dewars or stabbing u-tubes (ODH1) New ¼ CM requires waveguide tuners Chad Seaton building the high power rf control board Next biggest issue: designing the waveguide layout

Thomas Jefferson National Accelerator Facility Page 23 UITF Progress meeting Gun HV power supply installed inside SF6 tank, very little corona at 60 psi Gun table and 80/20 keV beamline structure moved into place NEXT: add gun HV chamber, install big beamline elements, buy stuff…. Status Gun Group buncher HV power supply Barrel polished in 2 days

Thomas Jefferson National Accelerator Facility Page 24 UITF Progress meeting The new gun happy at 325 kV, stopping at this voltage for now. Shifting focus to building the beamline and photocathode deposition chamber (LDRD magnetized beam tests) Only need 200 kV gun when using the new ¼ CM Building the electron gun at LERF GTS

Thomas Jefferson National Accelerator Facility Page 25 UITF Progress meeting Gun and Beamline at GTS

Thomas Jefferson National Accelerator Facility Page 26 UITF Progress meeting Yan Wang’s POISSON simulations validated by Fay Hannon using CST 3D field mapper Status Gun Group 11 MV/m 8 MV/m

Thomas Jefferson National Accelerator Facility Page 27 UITF Progress meeting Status Operations Network switcher hardware installed Computer terminals installed in control room 6100 IOCs ordered, but we can use older IOCs if needed sooner Groups are installing hardware in racks, and conversations have started with Software (Scott Higgins our POC)

Thomas Jefferson National Accelerator Facility Page 28 UITF Progress meeting Status Engineering I&C building stripline bpm electronics DC power prep-ing magnet racks, pulling cables RF control boards complete RF group building second water skid RF group building the klystron control panel Safety System Group on track, ODH and PSS Installation Group done with Cave1, can help with Cave2 when it makes sense

Thomas Jefferson National Accelerator Facility Page 29 UITF Progress meeting Status Reviews UITF Accelerator Review: beamline design reviewed by Ops/CASA/SRF, March 18, 2016, “Will it work?” review Geoff Krafft, Mike Spata, Reza Kazimi, Arne Freyberger, Todd Satogata, Fay Hannon beamline design, optics envelope, machine protection Internal Safety Review, April 2016 Personnel safety, including radiation protection, assessment will be sent to SCMB…. Conduct of Operations Review, May 2016 Commissioning and Operations plans (SCMB) Accelerator Readiness Review, August 2016 Documentation in place, systems ready and checked out, staff trained Experimental Readiness Review, Nov/Dec 2016

Thomas Jefferson National Accelerator Facility Page 30 UITF Progress meeting UITF – Issues and Concerns Modest shielding limits beam current to 100 nA CW. How to ensure we do not exceed maximum beam current? Finding a shielding solution for 100 uA operations CTF upgrade, CTF is oversubscribed (LCLSII), 80 K shield line approach, “parking” the new ¼ CM Very low current operation, how to see beam < 1nA ? Available klystrons, will we make 8 MeV? MeV beam blows up when interacting with radiation baffles inside HDIce Resources are tight…UITF is a stretch goal 3 run periods per year, 3 weeks each. CIS to operate the facility. Is this realistic?

Thomas Jefferson National Accelerator Facility Page 31 UITF Progress meeting