Level scheme of 194Ir |
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| Institution: | 1. Nuclear Research Center, LV-2169 Salaspils, Latvia;2. Physics Department, University of Fribourg, CH-1700 Fribourg, Switzerland;3. Rutgers University, Piscataway, NJ 08855, USA;4. Institute Laue-Langevin, F-38042 Grenoble, France;5. Physik-Department, E18, Technische Universität München, D-85748 Garching bei München, Germany;6. Institute for Nuclear Research, 252028, Kiev, Ukraine;7. Petersburg Nuclear Physics Institute, 188350 Gatchina, Russia;8. Department of Physics, Faculty of Science, University of Zagreb, 10000 Zagreb, Croatia;9. Department of Physics, Faculty of Chemical Engineering and Technology, University of Zagreb, 10000 Zagreb, Croatia;1. Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, United States;2. Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502, Japan;3. RIKEN Nishina Center, Wako 351-0198, Japan;4. Center for Mathematics and Physics University of Aizu, Aizu Wakamatsu, Fukushima 965-0001, Japan;1. Gastrointestinal Surgical Unit, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400000, China;2. Department of General Surgery, The First People''s Hospital, Yibin, Sichuan, 644000 China;1. Nuclear Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India;2. UM-DAE Centre for Excellence in Basic Sciences, Mumbai 400098, India;3. Dept. of Physics, IIT Kharagpur, Kharagpur 721302, India;4. Dept. of Nuclear and Atomic Physics, TIFR, Mumbai 400005, India;5. Homi Bhabha Centre for Science Education, TIFR, Mumbai 400088, India;1. Servicio de Psiquiatría, Comarca Bilbao, Red de Salud Mental de Bizkaia, Bilbao, España;2. BioCruces, Instituto de Investigación Sanitaria, Barakaldo, España;3. Hospital de Zamudio, Red de Salud Mental de Bizkaia, Bilbao, España;4. Servicio de Farmacia Hospitalaria, Hospital de Cruces-Barakaldo, Barakaldo, España;5. Unidad de Gestión Clínica, Red de Salud Mental de Bizkaia, Bilbao, España;6. Servicio de Psiquiatría, Comarca Ezkerraldea, Red de Salud Mental de Bizkaia, Bilbao, España;1. Department of Industrial and Manufacturing Engineering, Egypt-Japan University of Science and Technology, Alexandria, Egypt;2. Production Engineering Department, Faculty of Engineering, Alexandria University, Alexandria, Egypt |
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| Abstract: | Levels of 194Ir were studied using neutron capture and (d, p) reaction spectroscopy. A pair spectrometer was used to measure the high-energy γ-ray spectrum from thermal-neutron capture in an enriched 193Ir target over the energy range 4640–6100 keV. From the same reaction, low-energy γ-radiation was studied using curved-crystal spectrometers, and conversion electrons were observed with magnetic spectrometers. Prompt and delayed γγ-coincidences were measured using semiconductor and scintillation detectors. Averaged resonance capture measurements were performed with 2 keV and 24 keV neutrons for primary transitions leading to excitation energies from 0 to 580 keV. Using 22 MeV deuterons, the 193Ir(d, p) high resolution spectra were observed with a magnetic spectrograph. The deduced nuclear level scheme of 194Ir includes 38 levels connected by 184 transitions. Unambiguous spins and parities were determined for 25 levels. The rotor-plus-particle model was used for the interpretation of the level scheme assuming a strong mixing for Nilsson configurations having identical parities and K quantum numbers. IBFFM model calculations were performed and the obtained results were compared with the experimental level scheme. |
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