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| ! style="width:40%"| Task Name | | ! style="width:40%"| Task Name |
| ! style="width:20%"| Owner | | ! style="width:20%"| Owner |
− | ! style="width:20%"| Last Deadline | + | ! style="width:15%"| Deadline |
− | ! style="width:20%"| Wikipage | + | ! style="width:25%"| Wikipage / Complete |
| |- | | |- |
− | | Design and Simulation || Kent Paschke || Dec 2018 || [[TL-DesignAndSim | wikipageLink]] | + | | align="left" | '''1. Design and Simulation''' || Kent Paschke || Dec 2018 || [[TL-DesignAndSim | wikipageLink]] |
| + | |- |
| + | | align="left" | 1.1 Radiation Benchmarking || Kent Paschke || Dec 2018 || <span style="color:green">Complete</span> |
| + | |- |
| + | | align="left" | 1.2 Base design (v3 benchmarks) || Ciprian Gal || March 2018 || <span style="color:orange">Ongoing</span> |
| + | |- |
| + | | align="left" | 1.3 Other experimental setups || Adam Jec || April 2018 || <span style="color:red">TODO</span> |
| + | |- |
| + | | align="left" | '''2. Analysis chain''' || Kent Paschke || Dec 2018 || [[TL-AnalysisChain | wikipageLink]] |
| |} | | |} |
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− | == Radiation Benchmarking ==
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− | * ERR recommendation
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− | * Contact Dave Hamlette, Javier Gomez to discuss metrics for benchmark
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− | == Design and Simulation ==
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− | ===Base design, v3 Benchmarks.===
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− | <<Complete by March 16>>
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− | * Need new benchmarks (accounting for updated geometry (dump, HRS) and SAMS
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− | ** for PREX-I, HAPPEX-II, PREX-2, CREX (and others?)
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− | ** on HRS detectors, under HRS detectors, Hall Lid or Hall Wall total ("whole hall"), and Hall Lid skyshine estimates
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− | * prex2-v3:
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− | ** prex-2 dump, with shield
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− | ** no SAMS, or alternative SAMs?
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− | *crex2-v3:
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− | ** (same with 48Ca target and 2.1 GeV)
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− | * prex1-"??name??"
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− | ** PREX-I collimator
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− | ** PREX-I chamber? (not as important)
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− | ** PREX-I dump (with KW correction)
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− | ** no HDPE, no SkyshineShield
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− | ** Full size HRS det and structure, match prex2
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− | ** FULL PREX-I SAMS
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− | * HAPPEX-II - ??name??
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− | ** HAPPEX-II collimator (same as PREX-I?)
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− | ** PREX-I dump (with KW correction)
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− | ** 3.2 GeV, 20cm LH2
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− | ** PREX-I chamber (not as important)
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− | ** no HDPE, no SkyshineShield
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− | ** Full size HRS det and strucutre, match prex2 sim
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− | ** FULL PREX-I SAMS
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− | * PV-DIS?
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− | * HAPPEX-3?
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− | * TRITIUM (11 GeV)?
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− | * DVCS?
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− |
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− | ===Geometry, Next iteration.===
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− | <<Complete by April 6>>.
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− | * realistic gaps around dump shield
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− | * target chamber
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− | * collimator chamber to match design
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− | * HDPE around target to match design
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− | * modified SAM design?
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− |
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− | ===Magnetic Shielding===
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− | * Evaluate B-field in Q1 beampipe with only one Q1 energized
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− | * Evaluate the Tritium-Magnetic-shield design
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− | * Evaluate mag shield additions for upstream/downstream septum beampipe
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− |
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− | ===O-Ring damage===
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− | * Plots:
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− | ** E-weighted, electron only plots from beamline det an o-ring det
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− | ** tables to arrive at integrated grays
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− | **hall-lid det x0/y0 plot to show enhancement from full SAMS
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− | * get info on O-ring from engineering. (material, lifetime expectations, also when did this appear?)
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− | * Full base design (Feb18), but w/o dump shield
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− | ** Use Al around O-ring
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− | *** No SAMS
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− | *** PREX-I SAMS
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− | ** test 1/2 size O-ring (PREX) (PREX-I SAMS)
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− | *** Done, but dumb results. Compare 1/2 size O-ring with 1/2 of full size O-ring.
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− | ** test no material around O-ring (PREX) (PREX-I SAMS)
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− | ** CREX
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− | *** No SAMS
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− | *** PREX-I SAMS
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− | ** check beam-offset run
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− | * Results for alternative SAM configs
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− | * Final estimate use full base design (Feb18), including dump shield
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− | ** PREX-2
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− | ** CREX
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− |
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− | ===SAM redesign===
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− | * calculate rates vs angle
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− | * calculate doses vs angles
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− | * get details on beer can, make default design including welding
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− | * Attempt final design
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− | * Propose/Exam alternative SBMs
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− |
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− | ===Activation Estimation===
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− | * Downstream septum beampipe flange, contact dose
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− | * Downstream septum beampipe flange, whole body dose
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− | * CREX activation estimates
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− | * HDPE activation.
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− | * DUST ACTIVATION?
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− |
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− | ===HDPE parameters===
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− | * Total / peak radiation dose. Damage?
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− | * spec non-flamable HDPE, or devise fireproofing
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− |
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− | ===Thermal Neutrons:===
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− | * count thermal/near thermal (<1eV rate), assume 8MeV / n energy release, compare to E&M power
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− | * plot sources of thermal neutrons in hall, using hall-lid and HRS-platform detectors
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− | * consider effect of 5% boron
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− | * calculate thermal neutrons at Compton polarimeter
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− |
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− | === Polarimeter doses ===
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− | * Evaluate dose and neutron rates (both thermal and above) at Moller and Compton locations
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− | ** Moller target holder uses o-ring (evaluate dose)
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− |
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− | === Spectrometer Optics Design ===
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− | * FOM optimization
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− | * Q1 collimator cut-out
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− |
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− | == Analysis Chain ==
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− | * First attempt at new analyzer <<June deadline>>
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− | * Test on PREX1 data.
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− | ** (Re)Create plots that were used to verify PREX1 data integrity/quality
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− | ** Add analysis and drawing macros to analyzer package
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− | * Create fake PREX2/CREX data with updated names and addresses for BCMs, BPMs.
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− | * Use macros to create online monitoring GUIs
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− | ** Add warning messages for online monitoring for shift crew
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− |
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− |
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− | == DAQ / Slow Controls ==
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− | * Multicrate running.
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− | * Sync monitor.
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− | * Test fast event transfer to online monitor/feedback at 240 Hz
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− | * ADC maintenance - number of channels, etc
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− | * BCM, digital cavity receivers - verify functioning
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− | * Select which BPMs should be in the data stream. very proper functioning at 240 Hz
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− | * slow controls
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− |
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− | == Beam Modulation System ==
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− | * Testing of installed hardware
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− | * Evaluation of accelerator interface software
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− | * Coordination with other halls, scheduling committee
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− | *Beam modulation software (Hall)
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− | ** modulation process
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− | ** slow control / monitoring
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− | ** DAQ interface
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− |
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− | == Detector Stack ==
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− | ===GEMs===
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− |
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− | ===Integrating Detectors===
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− | * Complete Design
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− | * Linearity Studies
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− | * Plan for Blind tubes in spectrometer hut?
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− |
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− | ===Detector Mounting Hardware===
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− |
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− | == Polarized Source / Injector ==
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− | * RTP / KD*P?
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− | * Test setting limits on spot size
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− | * Outline configuration procedure and run-planning
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− | * spin-flipper studies
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− |
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− |
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− |
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− | == Moller Polarimeter ==
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− | * 1 GeV Optics
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− | * simulation for acceptance evaluation
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− | * target system installation
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− | * Plan to establish high-precision Moller polarimetry (ERR recommendation)
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− |
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− |
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− |
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− | == Compton Polarimeter ==
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− | * Plan to establish high-precision Compton polarimetry (ERR recommendation)
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− | * Laser Maintenance and improvement, summer 2018
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− | * e- detector, final plan
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− |
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− |
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− | == Documentation ==
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− |
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− | === Run planning ===
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− | * Plan for beam alignment (collimator, dump) and raster commissioning (ERR recommendation)
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− | * Comprehensive List / Planning for survey and alignment tasks
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− | * Watercell (pointing) runplan
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− | * optics runplan
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− | * detector alignment run plan
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− |
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− | ===Formal===
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− | * Finalize OSPs (ERR recommendation)
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− |
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− | ===Collaboration===
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