Heavy Ion Laboratory

1. Heavy Ion Laboratory Warsaw University Jarosław Choiński

2. Cyclotron • K=160 (up to 400 MeV of 40Ar) • Ion source: ECR, 10 GHza new source is going to be instaled soon • Extraction: stripping

3. Total beam-on-target time: 2434 hours in 2006(about 2 600 hours/year – mean value in last 5 years) • About 1 200 hours of beam-on-target time in 2006 was used by international users. • All projects performed at HIL are evaluated by international Program Advisory Committee.

5. Experimental Hall @ HIL

6. ICARE in WARSAW • ICARE Identificateur de Charges A Rendement Eleve • Big reaction chamber (F1.0x0.7m) • 48 telescopes for charge particles detection & identification

7. ICARE in WARSAWproposed subjects of studies • Light particle emission in Deep Inelastic Collisions (Strasbourg, Messina, Warsaw) • Nuclei deformation effects in light particle emission (Strasbourg, Cracow, Warsaw) • Coulomb barrier distributions(Warsaw, Białystok, Strasbourg, Jyvaskyla, Sendai) • Structure and interactions of light nuclei(Kiev, Cracow, Warsaw) More: http://www.slcj.uw.edu.pl/en/55.html

8. A new faze (face) of OSIRIS-II • Up to 32 Regular Ge detectors • 60 BaF2 Inner Ball • Si –Ball for light charged particle detection • HI detection system (PiN-diode chamber) • Internal conversion electrons spectrometer • CUP – veto detector for light charged particles • Plunger (in future)

9. Proposed subjects of studies • General purpose gamma spectroscopy • Coulomb Excitation • Life time measurements with DSA method • (plunger in planned in near future) • Internal conversion electrons spectroscopy More: http://www.slcj.uw.edu.pl/en/102.html

10. Presently availableexperimental facilities Gamma ray multidetector system OSIRIS II consists of up to 12HP germaniumspectrometers with anticomptonshields. BGO gamma ray multiplicity filter, • Si –Ball for light charged particle detection, • internal conversion electrons spectrometer • 4 sector HPGe polarimeter, • CUP – veto detector for light charged particles • PiN-diode chamber for scattered heavy ion detection GDR multidetector system JANOSIK: • movable in range of 40-140 deg high energy gamma ray detector: high volume NaI(Tl) crystal surrounded by an active plastic shield and passive LiH and thick lead shields, • multiplicity filter consists of 32 small scintillator detectors (12BaF2 and 20 Na(Tl)), • set of 16 silicon telescopes for light charged particles. Scandinavian type on-line mass separator IGISOL • mass separation: acceleration voltage 40KV, analyzing magnet 55 deg., mass resolution power 260-700, • Ion source: Ion Guide type, • Detection setup: tape station, dvanced time delayed system (beta gamma- gamma, Ge, Si(Li), BaF2 detectors), miniorange spectrometer. Irradiation chamber with water cooling Low background lead shielded HPGe counters • high efficiency (66%) low background coaxial HPGe detector, • 2 HPGe gamma-X coaxial detectors, • 2 low energy gamma ray detectors (coaxial and planar). General purpose scattering chambers CUDAC and SYRENA.

11. Typical activities of the research groups at HIL • GDR studies, • Gamma-gamma in-beam spetrosopy, • Life time measurments (e.g. with DSA method), • Multiple Coulomb excitation studies, • Internal conversion electrons spectroscopy on-line, • Reactions with light ions studies, • Fusion barriers height distributions studies, • Biological interactions of high LET radiation studies, • Irradiations of solid state materials with heavy ions, • Semiconductor detectors development and tests.

12. Other facilities Heavy Ion Laboratory supports experimental groups with: • a mechanical workshop, • an electronic workshop, • a data acquisition service, • a laboratory for HPGe detector annealing process. In Heavy Ion Laboratory there are available: • 10 guest rooms (9 single and 1 double) with a kitchen and a meeting room, • a conference room for 120 persons .