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Finnish participation at ISOLDE Juha Äystö Department of Physics and Accelerator Laboratory

Finnish participation at ISOLDE Juha Äystö Department of Physics and Accelerator Laboratory University of Jyväskylä Helsinki Institute of Physics University of Helsinki. HIP Nuclear Matter Program-2003. Program leader: Juha Äystö. Physics & RIB techniques Project leader

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Finnish participation at ISOLDE Juha Äystö Department of Physics and Accelerator Laboratory

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  1. Finnish participation at ISOLDE Juha Äystö Department of Physics and Accelerator Laboratory University of Jyväskylä Helsinki Institute of Physics University of Helsinki

  2. HIP Nuclear Matter Program-2003 Program leader: Juha Äystö Physics & RIB techniques Project leader Dr. A. Jokinen (SA, CERN) Prof. J. Äystö (JYU, CERN) Dr. K. Peräjärvi (CERN) Physics + ITS bonding & T0 Project leader: Dr. W.H. Trzaska (JY) Dr. M. Oinonen (HIP) Prof. V. Ruuskanen (JY) Core contribution: 1 MCHF EURISOL Project EU funded (R&D)

  3. ISOLDE at CERN

  4. Experimental nuclear physics group (JYU) Prof. J. Äystö (INTC chair) Dr. A. Jokinen (ISCC-representative), Dr. S. Kopecky, Dr. Y. Wang Grad. Students: T. Eronen J. Huikari, A. Kankainen, V. Kolhinen, S. Rinta-Antila Nuclear theory for ISOLDE studies (JYU): Prof. J. Suhonen (INTC-member), Dr. J. Toivanen Grad student: J. Kotila Solid state physics (HU+JYU): Prof. J. Räisänen Grad students: P. Laitinen, I. Riihimäki, Our recent ISOLDE-activities • Research areas • Nuclear astrophysics • Weak interaction • Nuclear structure FFS • Novel instrumentation • Radioactive ion beams 6 PhDs in 1997-2003

  5. Instrumentation + + + _ _ Cooling and bunching of radioactive ion beams Improve the emittance, energy spread and the time structure of the radioactive ion beams 2002: Simulations and design 2003: Construction starts Si-ball project A high-granularity Si-ball detector array for charged particle decay and reaction studies 2002: Commissioning run for half-sphere 2003: Experiments on 58Zn and 17Ne

  6. CE-decay at REXTRAP New Tool: In-trap spectroscopy PRINCIPLE 118mIn Annular g-detector CP detector CE- detector b-detector Ions in Radioactive ion cloud b-detector

  7. Nuclear spectroscopy Nuclear Astrophysics: Decay properties and binding energies of rp-process nuclei 2002: 69Kr decay to 69Br 2003: Mass of 68Se and 72Kr 2003-04: 12C(a,g)16O via 17Ne(bp) Weak interaction: 2002: High-precision studies of superallowed beta decay of 74Rb 2003: Isospin symmetry probed by the charge-exchange reactions and the beta decay of 58Zn Structure of nuclei far from stability: 2002-03: The structure of heavy Ca-isotopes and the effective interaction in the sd-fp shell of very neutron-rich nuclei 2003-04: Evolution of collectivity in neutron-rich Cd isotopes; change over from isospin symmetric multiplets to shell model interpretation Exotic decay modes: 2002: Three a-cluster states in 12C 2003-04: 17Ne beta-delayed charged-particle decay

  8. Michael Wiescher, APS-Meeting 2003 Studied at ISOLDE

  9. Radioactive ion beams • REX-ISOLDE • Post-accelerated ions for • Nuclear structure studies • Nuclear astrophysics • 2003: Energy upgrade to 3.1 MeV/u Next Generation RNB-facility SPL, RAMA, ISOLDE Beta-beams for n-factory In charge of Instrumentation Study Group

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