160 likes | 323 Vues
R&D/SBIR opportunities for FRIB Experimental Systems. Georg Bollen Experimental Systems Division Director FRIB. FRIB Science. Properties of nucleonic matter Classical domain of nuclear science Many-body quantum problem – mesoscopic science Nuclear processes in the universe
E N D
R&D/SBIR opportunities for FRIB Experimental Systems Georg BollenExperimental Systems Division DirectorFRIB
FRIB Science Properties of nucleonic matter • Classical domain of nuclear science • Many-body quantum problem – mesoscopic science Nuclear processes in the universe • Energy generation in stars, (explosive) nucleo-synthesis • Properties of neutron stars, EOS of asymmetric nuclear matter Tests of fundamental symmetries • Effects of symmetry violations are amplified in certain nuclei Societal applications and benefits • Bio-medicine, energy, material sciences, national security G. Bollen, October 8 2010
FRIB Rare Isotope Beams 400 kW, 200 MeV/u uranium, higher energies for lighter beams Heavy-Ion Primary Beam Fragment to Experiment Fragment Separation by Br and DE Thin Target Primary Beam Dump G. Bollen, October 8 2010
Overview of the FRIB Facility • Rare isotope production with primary beams up to 400 kW, 200 MeV/u uranium • Fast, stopped and reaccelerated beam capability • Experimental areas and scientific instrumentation for fast, stopped and reaccelerated beams G. Bollen, October 8 2010
Overview of the FRIB Facility • Conceptual Design completed:CD-1 in September 2010 • Construction scheduled to begin in 2013 • Completion time range 2018-2020 G. Bollen, October 8 2010 , Slide 5
Double-folded Linac Target Facility High Bay Linac Segment 1 β= 0.041 Linac Segment 1β= 0.085 Front End ECR ion source Linac Segment 3 β= 0.53 Linac Segment 2β= 0.53 Many R&D opportunities F. Marti Linac Segment 2 β= 0.29 Beam Delivery System G. Bollen, October 8 2010
FRIB Target Building • Support building highbay, grade level • Second and third stage of fragment separator • 50 ton bridge crane • Fragment separator power supplies • Target hot cell, subterranean • Production Target • Fragment preseparator • Primary beam dumps • Remote handling equipment • Support building,3 subterranean levels • Nuclear ventilation • Non-conventional utilities • Control room • Remote handling gallery • Waste handling G. Bollen, October 8 2010
Fragment Separator • High-acceptance 3-stage fragment separator • Preseparator (1st stage) • First cut in fragment distribution • Removal of primary beam in well-defined location • 2nd and 3rd stage of separator • Final separation • High-purity beams to experiments • R&D areas • Production target • Beam Dump • Magnet systems • Beam diagnostic G. Bollen, October 8 2010
R&D Related to Rare Isotope Beam Production (1) • Technical challenges • High power densities (up to 20 - 60 MW/cm3) • Materials and design concepts for high-power production targets for projectile fragmentation (W. Mittig) • Low-Z materials - high temperature - high homogeneity • Materials and design concepts for heavy-ion beam dump (R. Ronningen) • High-speed rotating vacuum seals • Thermal studies of targets, dumps, strippers. • High radiation fields • Techniques to study radiation transport in beam production systems and for modeling radiation damage with heavy ions (Ronningen) • Materials/designs that can withstand high radiation (R. Ronningen, A. Zeller) • Seals, motors • Superconducting coil materials • Magnetic field monitoring in high radiation fields (G. Bollen, A. Zeller) • d(dB/B)/dt < 10-5 • Ion trap magnetometer (under development at NSCL) G. Bollen, October 8 2010
R&D Related to Rare Isotope Beam Production (2) • Technical challenges • High secondary beam rates • High-rate, position sensitive beam detectors and timing detectors for high-energy heavy-ions, (for example diamond detectors), including the development of multi-channel readout electronics for fast high-rate detectors (A. Stolz, M. Hausmann) • Associated electronics G. Bollen, October 8 2010
Rare Isotope Beam Manipulation (1)Beam Stopping Beams for precision experiments at very low-energies or at rest + required for reacceleration of rare • Cyclotron gas stopper (MSU) • Best for light and medium heavy isotopes • Linear gas stopper (MSU,FRIB R&D@ ANL) • Best for heavy isotopes • Solid stopper (FRIB) • For special elements and very high beam rates • Example: 15O, I >1010/s G. Bollen, October 8 2010
Rare Isotope Beam Manipulation (2)Reacceleration High-quality lower energy beams for nuclear reaction and excitation studies ReA3 is under construction • Advanced n+ reaccelerator with EBIT charge breeder • ReA3 in operation by 2011 (MSU) • 0.3-3.2 MeV/u for uranium • Upgrade option to ReA12 • 1.2-12 MeV/u for uranium G. Bollen, October 8 2010
R&D Related to Beam Manipulation • Technical challenges • Stopping of ions with high beam rates in gases (S. Schwarz, D. Morrissey) • Simulation of ion guiding and stopping with and without magnetic fields • Charge state evolution in slowing down process • Scattering processes • Space charge/plasma effects • Stopping in solids/reionization(G. Bollen) • High temperature materials with good release properties • Efficient compact ion sources • Charge breeding (S. Schwarz) • Modeling of ion capture and charge breeding processes in Electron Beam Ion Traps • Simpler than ECRs; EBIT charge breeders better suited for RIB charge breeding than ECRs. • Efficient acceleration and beam manipulation (J. Wei) • SRF technology • Rebuncher design for reaccelerator G. Bollen, October 8 2010
Scientific Instrumentation FRIB will need a large suite of high-performance experimental equipment • Workshops • FRIB Experimental Equipment Workshop, East Lansing, February 2010 • ACS meeting on “Radiochemistry at FRIB”, Boston, August 2010 • LANL-MSU workshop on “Isotope harvesting at FRIB”, Santa Fe, September 2010 Experimental areas by CD4 G. Bollen, October 8 2010
R&D Related to Scientific Instrumentation • Technical challenges • High rate, timing, resolution, tracking detectors for nuclear spectroscopy and reactions studies • Detectors for gamma spectroscopy with good energy resolution, high effficiency, granularity, position sensitivity (D. Weisshaar) • Neutron, charged particle detectors • High-spatial-resolution focal plane detectors for magnetic spectrographs and recoil separators, for use with heavy ions in the energy range from less than 1 MeV/u to over 100 MeV/u • Associated electronics • High performance magnets for spectrometers (D. Bazin) • Superconducting tilted solenoids as iron-free dipoles • Active shielding G. Bollen, October 8 2010
Summary • FRIB will allow major advances in nuclear science and nuclear astrophysics, test of fundamental symmetries, and by providing isotopes for society • Realization of FRIB requires R&D to reduce technical risk and maximize performance, throughout the FRIB project and during FRIB operation • SBIR/STTR activities can contribute inmany areas for many years G. Bollen, October 8 2010