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This material is based upon work supported by the U.S. Department of Energy Office of Science under Cooperative Agreement DE-SC0000661, the State of Michigan.

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Presentation on theme: "This material is based upon work supported by the U.S. Department of Energy Office of Science under Cooperative Agreement DE-SC0000661, the State of Michigan."— Presentation transcript:

1 This material is based upon work supported by the U.S. Department of Energy Office of Science under Cooperative Agreement DE-SC , the State of Michigan and Michigan State University. Michigan State University designs and establishes FRIB as a DOE Office of Science National User Facility in support of the mission of the Office of Nuclear Physics. Georg Bollen Experimental Systems Division Director FRIB Target Systems for Rare Isotope Beam Production

2  FRIB rare isotope production overview  Target facility overview Non-conventional utilities Radiation transport Remote handling  Fragment separator Magnets Target and beam dump  Summary Outline G. Bollen, May 2014 SPAFOA Meeting, Slide 2

3  Rare isotope production via in-flight technique with primary beams up to 400 kW, 200 MeV/u uranium  Fast, stopped, and reaccelerated beam capability  Rare isotope production is within Experimental Systems project scope FRIB Rare Isotope Production [1] In-flight Production and Separation Maximizes Science Reach G. Bollen, May 2014 SPAFOA Meeting, Slide 3

4  Production of rare isotope beams with 400 kW beam power using light to heavy ions up to 238 U with energy ≥ 200 MeV/u Large acceptance: ± 40 mrad (angular) and ± 5% (momentum) High magnetic rigidity: 8 Tm after target  Three separation stages for high beam purity plus operational versatility  Design meets 400 kW beam power and heavy-ion challenges Power densities Radiation FRIB Rare Isotope Production [2] In-flight Production and Separation Maximizes Science Reach G. Bollen, May 2014 SPAFOA Meeting, Slide 4

5  Target hot cell, subterranean Production target Fragment preseparator Primary beam dump Remote handling equipment Target Facility Accommodates Rare Isotope Production Facilities G. Bollen, May 2014 SPAFOA Meeting, Slide 5  Target facility building high bay Second and third stage of fragment separator 50 ton bridge crane Magnet power supplies  Support areas, three subterranean levels Cascade ventilation Remote handling gallery and control room Non-conventional utilities Waste handling

6  Non-conventional utilities (NCU) Water cooling loops for beam dump and target Primary and secondary HVAC system Target Facility Accommodates Non-conventional Utilities G. Bollen, May 2014 SPAFOA Meeting, Slide 6 NCU HVAC Waste handling

7  Detailed 3D radiation transport models to optimize shielding designs, radiation heating, component activation, air activation, skyshine Target Facility Radiation Safety Incorporated in Design G. Bollen, May 2014 SPAFOA Meeting, Slide 7

8  Maintaining activated preseparator beam line components located in the hot cell and managing activated waste Remotely operated bridge crane Window workstation Remote Handling (RH) equipment lift Remote viewing system Hot cell lighting In-cell tooling Waste handling system Target Facility Remote Handling for Safe and Efficient Operation G. Bollen, May 2014 SPAFOA Meeting, Slide 8 20 ton crane Bottom loading port (access to waste handling gallery ) Window workstation Vision system In-cell tooling Temporary waste storage RH equipment lift Hot cell lighting Utility embeds

9 Fragment Separator Advanced Mechanical and Magnet Systems G. Bollen, May 2014 SPAFOA Meeting, Slide 9 Production target Rotating multi- slice graphite target Primary beam dump Rotating water- filled drum Magnet systems in hot-cell Radiation tolerant/resistant warm-iron superconducting magnets Located inside large vacuum vessels Magnet systems outside hot-cell New cold-iron superconducting magnets Reconfiguration of existing A1900 magnets

10  Accommodate preseparator rare isotope production and separation components Production target Beam dump Magnets Diagnostics  Life-of-Facility items Design with high level of care  Large size Fragment Separator Vacuum Vessels Life-of-Facility Items G. Bollen, May 2014 SPAFOA Meeting, Slide 10

11  Radiation resistant/tolerant design for superferric magnets in hot cell Quadrupoles with “warm” (i.e. not cryogenic) iron and radiation resistant/tolerant coils »High Temperature Superconductor (HTS) quadrupole (built by BNL) Dipoles with radiation resistant HTS coils and “warm” iron Radiation resistant room-temperature multipoles Remote handling  Proven designs (based on existing NSCL designs) for magnets beyond hot cell Quadrupole triplets with “cold” (at cryogenic temperature) iron Dipoles and quadrupoles using established superferric magnet technology Fragment Separator Superconducting Magnets Tolerate Radiation Fields G. Bollen, May 2014 SPAFOA Meeting, Slide 11

12  Rotating multi-slice rotating carbon target Absorbs up to 100 kW beam power and meets high-power density radiation damage challenge Prototyped and e-beam tested Radiation damage annealing demonstrated Detailed mechanical design ongoing Different target configurations for all FRIB primary beams defined  Rotating water-filled drum primary beam dump Absorbs up to 325 kW beam Primary beam stops in water Full scale titanium prototype drum fabricated and mechanical and flow tests performed Fragment Separator Target and Beam Dump Based on Advanced Concepts G. Bollen, May 2014 SPAFOA Meeting, Slide 12

13  FRIB target systems for rare isotope beam production designed to meet performance requirements Rare isotope production via in-flight technique with primary beams up to 400 kW, 200 MeV/u uranium  FRIB will provide fast, stopped, and reaccelerated beam capability  FRIB rare isotope beams will enable new discoveries Summary G. Bollen, May 2014 SPAFOA Meeting, Slide 13


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