the hyspec polarized beam spectrometer mark hagen, barry winn, melissa graves-brook neutron...
TRANSCRIPT
![Page 1: The HYSPEC Polarized Beam Spectrometer Mark Hagen, Barry Winn, Melissa Graves-Brook Neutron Scattering Science Division David Anderson, Xin Tony Tong Neutron](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649f335503460f94c4f2e8/html5/thumbnails/1.jpg)
The HYSPEC Polarized Beam Spectrometer
Mark Hagen, Barry Winn,Melissa Graves-Brook
Neutron Scattering Science Division
David Anderson, Xin Tony Tong
Neutron Facilities DevelopmentDivision
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2 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
HYSPEC People
Mark Barry Tony DavidHagen Winn Tong Anderson
MelissaGraves-Brook
NickThomas
Steve Shapiro
Igor Zaliznyak
Bill Leonhardt
At Oak Ridge Nat. Lab.
Instrument team:Mark HagenBarry WinnMelissa Graves-Brook
Lead Engineer:David Anderson
3He Polarization:Xin “Tony” TongNick ThomasDaniel Brown
At Brookhaven Nat. Lab.
Principal Investigators:Steve ShapiroIgor Zaliznyak
Lead Engineer:Bill Leonhardt
![Page 3: The HYSPEC Polarized Beam Spectrometer Mark Hagen, Barry Winn, Melissa Graves-Brook Neutron Scattering Science Division David Anderson, Xin Tony Tong Neutron](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649f335503460f94c4f2e8/html5/thumbnails/3.jpg)
3 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
Outline• What you’ve seen
• What’s Hidden
• What’s Coming
• What’s Next
![Page 4: The HYSPEC Polarized Beam Spectrometer Mark Hagen, Barry Winn, Melissa Graves-Brook Neutron Scattering Science Division David Anderson, Xin Tony Tong Neutron](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649f335503460f94c4f2e8/html5/thumbnails/4.jpg)
4 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
Instrument OverviewInstalled/Installing
In fabrication
Designed
In design
CVI
Shutter
External Building
Control Cabin
Detector Vessel
& AnalyzerSampleStage
Chopper Box BShielding
Drum Shield
Chopper Box A
6-15mShielding
Curved Beam Guide
15-33m Shielding
Chopper Box B Focusing
Crystals
DanceFloor
![Page 5: The HYSPEC Polarized Beam Spectrometer Mark Hagen, Barry Winn, Melissa Graves-Brook Neutron Scattering Science Division David Anderson, Xin Tony Tong Neutron](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649f335503460f94c4f2e8/html5/thumbnails/5.jpg)
5 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
What You’ve Just Seen…
![Page 6: The HYSPEC Polarized Beam Spectrometer Mark Hagen, Barry Winn, Melissa Graves-Brook Neutron Scattering Science Division David Anderson, Xin Tony Tong Neutron](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649f335503460f94c4f2e8/html5/thumbnails/6.jpg)
6 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
What’s Hidden…
![Page 7: The HYSPEC Polarized Beam Spectrometer Mark Hagen, Barry Winn, Melissa Graves-Brook Neutron Scattering Science Division David Anderson, Xin Tony Tong Neutron](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649f335503460f94c4f2e8/html5/thumbnails/7.jpg)
7 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
Choppers, Monitors, Shutters, Guides, Cables, Pipes & Socks
![Page 8: The HYSPEC Polarized Beam Spectrometer Mark Hagen, Barry Winn, Melissa Graves-Brook Neutron Scattering Science Division David Anderson, Xin Tony Tong Neutron](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649f335503460f94c4f2e8/html5/thumbnails/8.jpg)
8 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
• To preserve polarization of neutrons from Heusler• NdFeB magnets on the sides, steel top & bottom• Both drum shield (shown) and tertiary shutter• Inner lining: Maxus boron loaded aluminum• 480 Gauss at entrance, 7 Gauss 30 cm away
Magnetic Guide Field in Drum Shield Exit Port
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9 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
• 1.5 mm thick cadmium
Cadmium Shielding inside Detector Vessel
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10 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
• Calibrated at HFIR, so under radioactive material control
• To be mounted on optical rail outside drum shield
Neutron Monitor #3
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11 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
• Absorber blades: CBBC with BN paint, to be installed• Have two
Apertures
![Page 12: The HYSPEC Polarized Beam Spectrometer Mark Hagen, Barry Winn, Melissa Graves-Brook Neutron Scattering Science Division David Anderson, Xin Tony Tong Neutron](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649f335503460f94c4f2e8/html5/thumbnails/12.jpg)
12 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
• CBBC panels with BN paint ready to attach
Flapping Ears
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13 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
What’s Coming…
![Page 14: The HYSPEC Polarized Beam Spectrometer Mark Hagen, Barry Winn, Melissa Graves-Brook Neutron Scattering Science Division David Anderson, Xin Tony Tong Neutron](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649f335503460f94c4f2e8/html5/thumbnails/14.jpg)
14 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
• Granite tiles in US• Installers arrive next week• Air pads here, too
Tanzboden
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15 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
• Both 20’ & 40’• JJ-Xray design through assembly• Dimensional Inspection Reports imminent
Soeller Collimators
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16 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
• Pane angle spacing: 40’• JJ-Xray design through assembly• Dimensional Inspection Reports imminent
Fine Radial Collimator
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17 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
• Frame assembled by ORT-E• On-Site• Cd coated blade installation awaiting final installation
Coarse Radial Collimator
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18 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
• In addition to ½” thick CBBC panels behind tubes on 8-packs• Cadmium thickness 1.5 mm• Not shown: Cadmium sheet between 8-packs
Cadmium shielding at back
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19 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
• Huber: final design through assembly
Sample rotation, tilt and translation
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20 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
• Basic Design: Nick Thomas• Final Design & Fabrication: Vacuum Technology International,
Oak Ridge• Assembly & Testing now: Nick Thomas & Dan Brown
Polarized 3-He Transfer Mechanism
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21 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
• Technicoil: Final Design through Assembly• Currently in Fabrication
Helmholtz-Like Coil
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22 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
• 1.5 cm gap, 1 mm diameter Al wire• Fabricated parts arrive April 28
Mezei Flipper
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23 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
• NdFeB magnets and steel• Parts arrive at ORNL April 28
Guide Field, rail mount
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24 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
• Yellow Temporary Blocks currently in target building• Enables transport of largest sample environments
‘L’ Shield at rolling door
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25 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
Supermirror analyzer assembled with around 200 supermirrors
supermirror analyzer inside the magnetisation unit (500 G)
Supermirror Polarization Analyzer
Current Status:
780 out of 960 polarizers produced so far
~100 polarizers per month
200 polarizers installed in housing & tested on BOA (optics beamline at SINQ, PSI)
Anticipated completion in ~March 2011, followed by tests at SINQ
Prototype II ( 4.0 deg)Prototype I ( 1.8 deg)
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26 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
Optical Rail Components
20’
40’
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27 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
What’s Next: Schedule
• Construction complete in June 2011• Motion and Integrated testing in June 2011• IRR in Summer 2011• Neutrons in August 2011• Unpolarized commissioning through 2011• Polarized commissioning in 2012A
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28 Managed by UT-Battellefor the U.S. Department of Energy
Novel Material Science Using Polarized NeutronsTohoku University, Sendai, January 7, 2011
IDT Experiments
• During commissioning– HYSPEC’s Extended Commissioning Plan
(plan to demonstrate science-readiness) requires an experiment by reviewers
• Whose results may have high scientific impact
• Which exploits either the unique or the improved capabilities of HYSPEC
• During operations