Post-neutron mass distribution for 238Pu(nth,f) |
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| Affiliation: | 1. CEN, DRF/SPh/PhAN, 85X, 38041, Grenoble Cedex, France;2. I. Ph. USTHB, B.P. 32, El Alia, Alger, Algeria;1. Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA;2. Nuclear Data Center, Korea Atomic Energy Research Institute, Daedeok-Daero 989-111, Yuseong-gu, Daejeon, Republic of Korea;3. NPAC-Nuclear Data Section, International Atomic Energy Agency, PO Box 100, 1400 Vienna, Austria;4. Horia Hulubei National Institute for Physics and Nuclear Engineering (IFIN-HH), 30 Reactorului, Bucharest-Magurele 077125, Romania;5. Nuclear Data Center, Japan Atomic Energy Agency, Tokai-mura, Ibaraki 319-1195, Japan;6. Nuclear Physics Department, Taras Shevchenko National University, Kyiv, Ukraine;7. China Nuclear Data Center, China Institute of Atomic Energy, P.O. Box 275(41), Beijing 102413, China;8. Department of Physics, Konan University, Okamoto 8-9-1, Higashinada, Kobe 658-8501, Japan;9. Lomonosov Moscow State University, Skobeltsyn Institute of Nuclear Physics, Moscow 119991, Russia;10. University of Oslo, Sem Saelands vel 24, P.O. Box 1048, Oslo 0316, Norway;11. Faculty of Physics, University of Bucharest, Bucharest-Magurele, Romania;12. Centre for Energy Research, Hungarian Academy of Sciences, Konkoly Thege Miklos 29-33, 1525 Budapest, Hungary;13. University of California, Berkeley CA 94720, USA;14. Institut d''Astronomie et d''Astrophysique, Université Libre de Bruxelles, Campus de la Plaine, CP 226, 1050 Brussels, Belgium;15. JUKO Research, Kalmanstraat 4, Alkmaar 1817, the Netherlands;p. Charles University, V Holešovičkách 2, 18000 Prague, Czech Republic;q. Helmholtz Zentrum Dresden-Rossendorf, Bautzner Landstrasse 400, 01328 Dresden, Germany;r. iThemba LABS, P.O. Box 722, Somerset West, 7129, South Africa;1. Department of Physics, S. P. Pune University, Pune, 411007, India;2. Department of Physics, AKI''s Poona College, Camp, Pune, 411001, India;3. Nuclear Physics Division, Bhabha Atomic Research Centre, Mumbai, 400085, India;1. Bhabha Atomic Research Centre, Reactor Physics Design Division, India;2. Homi Bhabha National Institute, Reactor Physics Design Division, Mumbai, India;1. Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India;2. Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India;3. Inter-University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi 110067, India;1. Nuclear Data Section (NDS), International Atomic Energy Agency, A-1400 Vienna, Austria;2. OECD Nuclear Energy Agency Data Bank (NEA DB), F-92130 Issy-les-Moulineaux, France;3. National Nuclear Data Center (NNDC), Brookhaven National Laboratory, Upton, NY 11973, USA;4. Nuclear Data Centre (CJD), Institute for Physics and Power Engineering, 249033 Obninsk, Russia;5. Nuclear Reaction Data Centre (JCPRG), Hokkaido University, Sapporo 060-0810, Japan;6. Centre for Nuclear Structure and Reaction Data (CAJaD), Kurchatov Institute, 123182 Moscow, Russia;7. China Nuclear Data Centre (CNDC), China Institute of Atomic Energy, Beijing 102413, China;8. Centre of Nuclear Physics Data (CNPD), All-Russian Research Institute of Experimental Physics (VNIIEF), 607190 Sarov, Russia;9. Nuclear Data Center, Japan Atomic Energy Agency (JAEA), Tokai-mura, Naka-gun, Ibaraki 319-1195, Japan;10. Bhabha Atomic Research Centre, Mumbai 400085, India;11. Ukrainian Nuclear Data Centre (UkrNDC), Institute for Nuclear Research, 03680 Kiev, Ukraine;12. Department of Nuclear Physics, Institute of Physics, Slovak Academy of Sciences, 845 11 Bratislava, Slovakia;13. Department of Physics, Mizoram University, Aizawl 796004, India;14. Korea Nuclear Data Center (KNDC), Korea Atomic Energy Research Institute, Daejeon 305-600, Republic of Korea;15. Under contract with the National Nuclear Data Center, Brookhaven National Laboratory, Upton, NY 11973, USA;p. Cyclotron Application Department, Institute of Nuclear Research (ATOMKI), H-4001 Debrecen, Hungary;q. Centre for Photonuclear Experiments Data (CDFE), Institute of Nuclear Physics, Moscow State University, 119234 Moscow, Russia |
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| Abstract: | The yields of 51 fission products in 36 mass chains produced in 238Pu(nth, f) have been determined via γ-ray spectroscopy. The mean number of neutrons per fission was found to be 〈νT〉 = 2.5 ± 0.2. A mean proton odd-even effect δp = (14 ± 3)% was also deduced for 9 mass chains. These results are discussed in terms of the existing data on other fissioning nuclei. |
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