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| | __NOTOC__ | | __NOTOC__ |
| − | = Oct 6 2017 [[JLEIC-Ion-Integration-Meetings|JLEIC Ion Integration Meeting]] = | + | =Nov 16 2017 [[JLEIC-Ion-Integration-Meetings|JLEIC Bunch Formation Meeting]] = |
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| − | == Near Term Action Items == | + | == Objectives == |
| − | * By Tue Oct 3 | + | * Summarize existing baseline bunch formation scheme |
| − | ** '''Identify''' and '''prioritize''' remaining work needed on accelerator segments to deliver relevant consistent pCDR draft sections by '''April/May 2018''' | + | * Identify any concerns with existing baseline bunch formation scheme |
| − | ** Have input from | + | * Develop short-term plans to address any concerns |
| − | *** Vasiliy ([http://www.toddsatogata.net/JLEIC/2017-10-06/Ion_collider_ring_to_do_list_22sep17.pdf ion collider ring])
| + | * Document baseline bunch formation scheme (for TDR) |
| − | *** Fanglei ([http://www.toddsatogata.net/JLEIC/2017-10-06/2017Sep29_electron_collider_ring_to_do_list.pptx.pdf electron collider ring]; [https://jlabsvn.jlab.org/svnroot/jleic/ELECTRONRING/ short FODO lattice] in [https://jlabsvn.jlab.org/svnroot/jleic/ JLEIC svn repository]!)
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| − | *** Ed ([http://www.toddsatogata.net/JLEIC/2017-10-06/2017-10-06-Booster.pdf ion booster])
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| − | *** Amy ([http://www.toddsatogata.net/JLEIC/2017-10-06/2017-10-06-IonSources.pdf ion sources])
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| − | ** Have requested input from Steve (cooler) and Brahim (linac); will continue arm-twisting at collaboration meeting.
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| − | ** Identify transport line owners; will likely be Yves (electron) and Todd (ion) at present
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| − | | + | |
| − | * By Tue Oct 31
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| − | ** Draft initial machine segment documentation
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| − | ** Includes upload of relevant (even draft) best present accelerator segment lattice files to svn
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| − | *** Document should be consistent with, and include references to, svn lattice file version(s)
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| − | ** Zip file of "template" (Todd's Booster tech note) located [http://www.toddsatogata.net/JLEIC/JleicAcceleratorSegmentTemplate.zip here]
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| − | ** Iterations, if needed, at Fri Oct 20 integration/pCDR meeting
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| − | | + | |
| − | == pCDR Accelerator Segment Needs ==
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| − | * Polarized Ion Source (Amy)
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| − | * Heavy Ion Source (Amy)
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| − | * Ion RFQs/Linac (Brahim)
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| − | * Linac to Booster Transfer Line (?)
| + | |
| − | * Ion Booster (Ed/Todd)
| + | |
| − | * Booster to Collider Transfer Line (?)
| + | |
| − | * Ion Collider Ring (Vasiliy)
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| − | ** [[Media:Ion_collider_ring_to_do_list_22sep17.ppt | Ion_collider_ring_to_do_list_22sep17.ppt]]
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| − | * CEBAF (Jiquan)
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| − | * CEBAF to Collider Transfer Line (Yves)
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| − | * Electron Collider Ring (Fanglei)
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| − | * Low Energy Cooler (Yuhong)
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| − | * High Energy Cooler (Steve)
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| − | | + | |
| − | == pCDR Accelerator Segment items from Engineering (Tim) ==
| + | |
| − | * Ion Sources and Linac
| + | |
| − | ** Status: Limited to basic element list and cost information from Jan, 2015. Basic origin defined.
| + | |
| − | ** Would like to get models of elements to develop basic CAD layout in NX.
| + | |
| − | ** Space and tunnel/vault sizing
| + | |
| − | ** Summarize power requirements and cooling needs – parameterization.
| + | |
| − | * Linac to Booster Transfer Line
| + | |
| − | ** Status: Undefined.
| + | |
| − | ** Get lattice file
| + | |
| − | ** Develop layout
| + | |
| − | ** Define start point and connection point to Ion Booster Ring
| + | |
| − | ** Size and layout of tunnel to connect Ion LINAC tunnel/vault to Ion Booster Tunnel
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| − | ** Diagnostics???
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| − | ** Other parameterization???
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| − | * Ion Booster
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| − | ** Status: Origin defined. Based on TAMU 1.2m model dipole.
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| − | ** Development of tunnel
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| − | ** Transition transfer lines in and out
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| − | ** Kicker
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| − | ** Diagnostics???
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| − | ** Abort/dump system???
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| − | ** Other parameterization???
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| − | * Booster to Collider Transfer Line
| + | |
| − | ** Undefined.
| + | |
| − | * Ion Collider Ring
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| − | ** Status: Origin defined – at IP. Basic tunnel layout complete – need to update with overall SF magnet model.
| + | |
| − | ** Updated lattice file and layout – look at % filled.
| + | |
| − | ** Resize tunnel to accommodate RF Cavity spacing from floor/wall
| + | |
| − | ** Feasibility / sizing of SF magnets (11.4m model of dual 4m dipole/quad combo in a single cryostat)
| + | |
| − | ** Diagnostics???
| + | |
| − | ** Abort/dump system???
| + | |
| − | ** Other parameterization???
| + | |
| − | ** RF HPA system basic model/layout – basic assessment of routing waveguides from surface to tunnel
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| − | * CEBAF
| + | |
| − | ** Status: Origin of CEBAF is the Origin of all JLEIC Site Layout
| + | |
| − | ** Need to assess CEBAF Reliability/Availability and its impact on JLEIC Reliability/Availability
| + | |
| − | ** Need definition of operational scenario, time to fill ECR, top off rate, etc.
| + | |
| − | * CEBAF to Collider Transfer Line
| + | |
| − | ** Status: Very old and outdated lattice file from Yves based on PEP-II LER Dipoles – note that it does not line up with position of the Electron Collider Ring as it sits now
| + | |
| − | ** Get updated lattice file
| + | |
| − | ** Develop layout
| + | |
| − | ** Based off CEBAF Origin – needs start point and connection point to Electron Collider Ring – how does it enter Electron Collider Ring (ideally from above, but latest thought is from below so as not to affect Electron Collider Ring to Ion Collider Ring stacked spacing)
| + | |
| − | ** Size and layout of tunnel to connect CEBAF to Collider Tunnel
| + | |
| − | ** Diagnostics???
| + | |
| − | ** Other parameterization???
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| − | * Electron Collider Ring
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| − | ** Status: Origin defined – IP. Basic tunnel layout complete. Model of PEP-II RF Cavity ready for updated lattice. Assessment of “Moving Magnets” for synchronization done – can be adapted to new lattice and magnets. Vacuum elements are PEP-II style.
| + | |
| − | ** Updated lattice file and layout – look at % fill (or free space for additional, not yet defined items)
| + | |
| − | ** Resize tunnel to accommodate PEP-II RF Cavity spacing from floor/wall
| + | |
| − | ** Add synchronization chicanes to layout
| + | |
| − | ** Feasibility / sizing of new magnets
| + | |
| − | ** Diagnostics???
| + | |
| − | ** Abort/dump system???
| + | |
| − | ** Other parameterization???
| + | |
| − | ** RF HPA system basic model/layout – basic assessment of routing waveguides from surface to tunnel
| + | |
| − | * Low Energy Cooler
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| − | * High Energy Cooler
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| − | * Interaction Region
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| − | ** Status: Region layout. 1st cut at IR FFQs and SD magnets – need to assess and iterate. Current model of IR beam pipe – ready for Impedance modeling. Magnet coils modeled.
| + | |
| − | ** Iterate on magnet models
| + | |
| − | ** Look at additional magnets for details – skew quads, correctors, anti-solenoids
| + | |
| − | ** Baseline definition for supports, cryostats, etc.
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| − | ** Magnet interactions
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| − | * Engineering Topics
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| − | ** Superferric Magnets
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| − | ** Normal Magnets
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| − | ** SRF
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| − | ** Crab Cavities
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| − | ** Normal Conducting RF
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| − | ** Feedback systems
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| − | ** Diagnostics
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| − | ** Controls
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