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RoSphere : The germanium array at the Tandem accelerator of IFIN-HH

RoSphere : The germanium array at the Tandem accelerator of IFIN-HH. Negret , D. Bucurescu , G. Cata-Danil , D. Deleanu , D. Filipescu , D.G. Ghita , I. Gheorghe, T. Glodariu , R. Lica , N. Marginean , R. Marginean , A. Olacel , S. Pascu , T. Sava, L. Stroe , G. Suliman ,

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RoSphere : The germanium array at the Tandem accelerator of IFIN-HH

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  1. RoSphere: The germanium array at the Tandem accelerator of IFIN-HH Negret, D. Bucurescu, G. Cata-Danil, D. Deleanu, D. Filipescu, D.G. Ghita, I. Gheorghe, T. Glodariu, R. Lica, N. Marginean, R. Marginean, A. Olacel, S. Pascu, T. Sava, L. Stroe, G. Suliman, R. Suvaiala, S. Toma, and N.V. Zamfir HoriaHulubei National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, ROMANIA NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  2. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH Summary • A few words about IFIN-HH, Bucharest, ROMANIA • The 9 MV Tandem accelerator • RoSphere – Romanian Array for gSpectroscopy in Heavy Ion Reactions • Recent measurements at RoSphere • Other fields of research in the Nuclear Physics Department • Conclusions NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  3. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH A few words about The National Institute of Physics and Nuclear Engineering • A few words about IFIN-HH, Bucharest, ROMANIA • The 9 MV Tandem accelerator • RoSphere • Recent measurements at RoSphere • Other fields of research in the Nuclear Physics Department • Conclusions NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  4. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH IFIN-HH, Bucharest-Magurele, Romania - Location NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  5. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH IFIN-HH – Main facilities and departments Iradiation Facility Life & Environment Source Production Hadronic Physics Administration Reactor Cyclotron 9 MV Tandem 1 MV Tandetron NUSTAR 3 MV Tandetron NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  6. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH The 9 MV Tandem accelerator • A few words about IFIN-HH, Bucharest, ROMANIA • The 9 MV Tandem accelerator • RoSphere • Recent measurements at RoSphere • Other fields of research in the Nuclear Physics Department • Conclusions NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  7. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH The 9 MV Tandem accelerator NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  8. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH The 9 MV Tandem Built by High Voltage Engineering Corporation (HVEC) in 1973, upgradedfrom the original terminal voltage of 7.5 MV (FN machine) to 9 MV. Major upgrades during the last years. • SNICSII sputter negative ion source • source for negative helium ions • MC-SNICSII sputter negative ion source dedicated for AMS Ion sources: HV generator: pelletron system; Voltage: 9 MV Available beams: p (2 – 18 MeV), a (3 – 27 MeV) a broad range of heavy ions Pulsing systems: • milliseconds: chopper • nanoseconds: chopper + buncher NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  9. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH Experimental area • 2 experimental halls • 7 beam lines NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  10. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH RoSphere: The Romanian Array for gSpectroscopy in Heavy Ion Reactions • A few words about IFIN-HH, Bucharest, ROMANIA • The 9 MV Tandem accelerator • RoSphere • Recent measurements at RoSphere • Other fields of research in the Nuclear Physics Department • Conclusions NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  11. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH RoSphere • Two configurations available: • Mixed array with 15 50% HPGe detectors with BGO shields and 10-20 LaBr3(Ce) scintillators • 25 HPGe detectors array NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  12. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH RoSphere with LaBr3(Ce) July 2012 14 HPGe detectors 11 LaBr3(Ce) detectors NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  13. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH Recent measurements at RoSphere • A few words about IFIN-HH, Bucharest, ROMANIA • The 9 MV Tandem accelerator • RoSphere • Recent measurements at RoSphere • Other fields of research in the Nuclear Physics Department • Conclusions NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  14. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH The first experiment with RoSphere: RDDS lifetime measurements in 120Te C. Mihaiet al. 110Pd(13C,3n) 120Te @50 MeV 0.7 mg/cm2 110Pd Plunger device 12 HPGe detectors mounted: 5 @ 37◦ + 5 @ 143◦ 1 @ 63◦ + 1 @ 117◦ NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  15. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH Stopper support Target support The first experiment with RoSphere: RDDS lifetime measurements in 120Te Sliding bearings inchworm C. Mihaiet al. micrometer piezocrystal L=814 mm Plunger device build after the widely used Cologne design (A. Dewald) NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  16. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH The first experiment with RoSphere: RDDS lifetime measurements in 120Te C. Mihaiet al. VERY PRELIMINARY RESULTS 2+ 560 keVτ=12.2(4) ps 4+ 1161 keVτ=4.8(4) ps NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  17. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH In-beam Fast Timing measurements: 199Tl N.Mărgineanet al., Eur. Phys. J. A46, 329 (2010) 197Au(α,2n)199Tl @ 24 MeV 332-369 keV coincidence “Prompt” coincidence 367-381 keV coincidence Centroid shift NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  18. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH In-beam Fast Timing measurementsin 99,101,103Ru S. Lalkovski et al. 96Mo(α,n)99Ru 98Mo(α,n)101Ru 100Mo(α,n)103Ru 96,98Ru have vibrational behaviour, while the mid-shell Ru isotopes are triaxialy deformed. Thus, 99,101,103Ru isotopes are placed in the region where the onsetof deformation is expected to occur. Ea = 14-18 MeV Experimental purpose: measurement of the half lives of positive parity low-lying states and 15/2- states in 99,101,103Ru NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  19. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH In-beam Fast Timing measurementsin 99,101,103Ru S. Lalkovski et al. NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  20. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH In-beam Fast Timing measurementsin 99,101,103Ru S. Lalkovski et al. NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  21. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH Other fields of research in the Nuclear Physics Department • A few words about IFIN-HH, Bucharest, ROMANIA • The 9 MV Tandem accelerator • RoSphere • Recent measurements at RoSphere • Other fields of research in the Nuclear Physics Department • Conclusions NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  22. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH Nuclear physics measurements for energetics: The development of Generation IV Nuclear Reactors Precise Neutron Inelastic Cross Section Measurements @ GELINA, EC-JRC-IRMM, Belgium A. Negret, C. Borcea, Ph. Dessagne, M. Kerveno, A.J.M. Plompen Required uncertainty level: ~5% NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  23. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH Spectroscopy of the A=34 decay chain at ISOLDE, CERN Spokespersons: F. Negoita, S. Grévy • Structure – based on OSIRIS (Bucharest) • 3 CLOVER detectors (Bucharest) • 1 HPGe detector (90%) (CEA Arpajon) • 5 LaBr3 detectors (4 Legnaro, 1 Bucharest) • ~4p plastic scintilator (Bucharest) • 3 neutron detectors (DEMON) • Fast Tape Station (Strasbourg) NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  24. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH Large European Projects NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  25. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH Conclusions • A few words about IFIN-HH, Bucharest, ROMANIA • The 9 MV Tandem accelerator • RoSphere • Recent measurements at RoSphere • Other fields of research in the Nuclear Physics Department • Conclusions NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  26. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH Advertisement The ERINDA consortium groups 13partners, equipped with nuclear data research infrastructures. The project sponsors the transnational access for experiments performed at any of the 13 facilities. The TANDEM accelerator of IFIN-HH is part of ERINDA. The last deadline for proposals: September 30, 2012 www.erinda.org Future project proposed for transnational access: CHANDA. NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

  27. A. Negretet al. - RoSphere: The germanium array at the Tandem accelerator of IFIN-HH Conclusions • The 9 MV Tandem accelerator in Bucharest delivers a large variety of stable beams. The facility was completely modernized during the last years. • A large variety of detecting devices are available: • The RoSphere array with up to 25 HPGe detectors and/or LaBr3 detectors, • Clover detectors, • A plunger device, • Neutron detectors. • We are particularly well equipped for nuclear lifetime measurements. • Financial support is available for certain type of measurements. • Two PAC meetings /year; usually the requested beam time represents 150%-200% of the available beam time. NSDD Meeting, KFAS, Safat, Kuwait, January 27-31, 2013

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