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The new accelerator complex at GSI Per-Erik Tegnér, Nuclear Physics SU

The new accelerator complex at GSI Per-Erik Tegnér, Nuclear Physics SU. Nuclear Structure Physics. Atomic Physics. Hadron Physics. Plasma Physics. Nuclear Matter Physics. Applications. History Costs Time schedule The accelerators and physics High-energy antiprotons, PANDA.

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The new accelerator complex at GSI Per-Erik Tegnér, Nuclear Physics SU

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  1. The new accelerator complex at GSI Per-Erik Tegnér, Nuclear Physics SU Nuclear Structure Physics Atomic Physics Hadron Physics Plasma Physics Nuclear Matter Physics Applications

  2. History Costs Time schedule The accelerators and physics High-energy antiprotons, PANDA Lots of info on: www.gsi.de Conceptual Design Report Material from “Second international workshop on the future accelerator facility for beams of ions and antiprotons”, October 2003 (H. Geissel, M. Steck, N. Angert, R. Hayano …) PANDA Letter of Intent

  3. History Present GSI: UNILAC (linear accelerator) 1975 SIS18 (synchrotron 18 Tm) 1990 ESR (experimental storage ring) 1990 New elements Z=107 - 112 New radioactive isotopes Precise mass measurements of radioactive isotopes Radiation therapy with carbon ions Parallel operation

  4. Highest Beam Intensities Brilliant Beam Quality Higher Beam Energies Highest Beam Power Parallel Operation

  5. GSI Conceptual Design Report to the German Research Council: november 2001 XFEL and GSI were recommended: end of 2002 Minister Bulmahn announced her decision to support 4 projects: Magnet Lab at Dresden, stratospheric air plane, XFEL and GSI: februari 2003 Cost GSI: Building and infrastructure 225 MEUR Accelerator 265 MEUR Exp. stations and detectors 185 MEUR TOTAL 675 MEUR To be shared 65/10/25% between German Government, State of Hessen and partners from outside Germany.

  6. SCHEDULE 2010-2011

  7. The new accelerator complex The central machines SIS100/300 SIS100: 100Tm, primary beams Intense pulsed (50 ns, 2-4 Hz) Uranium 28+, 1012 ions/pulse 1 GeV/nucleon Protons, 2.5×1013 /pulse, 29 GeV SIS300(200): primary beams “continuous” beams Uranium 92+, 34 GeV/nucleon The “old” machines UNILAC and SIS18 used as injectors. Collecting secondary beams Cooling to good beam quality Deceleration Storing - experiments

  8. Physics with primary beams Plasma physics Atomic physics Nuclear matter physics

  9. Plasma physics Intense ion beams, short pulses (50ns) up to 12000 GW/g SIS100

  10. Dense plasmas Ion beams from the “old” SIS18 and laser pulses from PHELIX serve as diagnostic tools.

  11. Atomic physics with highly charged ions QED in extreme static fields in extremely strong dynamical fields Atomic physics group at SU

  12. Nuclear matter at extreme conditions Heavy ions around 30 GeV/nucleon SIS18 - SIS100 - SIS300, 109 per sec Equation of state, quark-gluon plasma Neutron stars

  13. Secondary beams Rare isotope beams (RIB) (Beams of shortlived (radioactive) nuclei) Intensity increase factor of 10000 relative to present Nuclear structure physics Atomic physics Antiproton beams New at GSI, high intensity, good quality Hadron physics Atomic physics

  14. Physics with radioactive (exotic) nuclei Geissels nuklidkarta Z N

  15. SIS100 Radioactive ion beams Super FRS

  16. Production of radioactive isotopes

  17. Selecting isotopes

  18. Expected production rates

  19. Low-energy and stopped beams Gamma-ray spectroscopy, AGATA (Nuclear Physics, KTH) Ion and atom traps

  20. Stored radioactive beams Precision mass, half-life, measurements Elastic and in-elastic electron scattering 740 MeV/u, dp/p=2.5% 740 MeV/u, dp/p=0,05% Electron ring 200 - 500 MeV 4 - 740 MeV/u, dp/p=10-6 Electron cooling Gas target, electron target 740 - 100 MeV/u, dp/p=0,05%

  21. SIS100/300 pbar target HESR CR/RESR NESR Antiproton beams NESR FLAIR

  22. Antiprotons 3 GeV, dp/p=3% 3 GeV, dp/p=0,1% FLAIR CRYRING? 30 - 0.3 MeV down to 20 keV 30 MeV 0.8 - 3 GeV, dp/p=0,05% 108 - 1011 stored antiprotons

  23. Physics with low-energy antiprotons, examples down to 20 keV at FLAIR cooled beam Antihydrogen spectroscopy Antiprotonic atoms

  24. High-energy antiprotons SIS100-pbar prod-CR-RESR-SIS100-HESR HESR number of protons stored 1011 Electron cooler: Energy resolution about 100 keV (dp/p = 7×10-6 ) Hydrogen target (cluster, pellet): Luminosity 2×1032 cm-2 s-1 (TSL, Uppsala) Nuclear targets Detector: PANDA

  25. Design involves The Svedberg Lab (Uppsala) and MSL (Stockholm)

  26. Some physics topics: Confinement The mass of hadrons Glueballs Charmonium (cc-bar) spectroscopy Precision measurements of mass, width and decay branches. Precise due to beam energy resolution. Experimental studies: Search for predicted gluonic excitations in the charmonium mass range (3 - 5 GeV/c2). Meson properties in the nuclear medium Single and double hypernuclei Precision gamma-ray spectroscopy hyperon-nucleon, hyperon-hyperon interactions and more …

  27. Requirements for a detector Detection of lepton pairs Good kaon identification Detection of low-energy photons Good vertex recognition must withstand large radiation doses (especially using nuclear targets)

  28. Target: pellet, wire,fiber Micro vertex detector (MVD) Silicon pixel Tracking detectors Straw tube, Mini drift chambers Internally reflected Cherenkov detectors (DIRC) Muon counters Electromagnetic calorimeter Lead-tungsten scintillators OUTLINE OF PANDA

  29. PANDA has to be modular Nuclear physics groups at SU and KTH

  30. The PANDA collaboration Letter-of-intent january 2004 43 universities, institutes (or university departments) 250 researchers

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