New measurements and evaluation of excitation functions for (p,xn), (p,pxn) and (p,2pxn) reactions on 133Cs up to 70 MeV proton energy |
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| Authors: | F. Tárkányi A. Hermanne S. Takács F. Ditrói B. Király H. Yamazaki M. Baba A. Mohammadi A.V. Ignatyuk |
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| Affiliation: | 1. Institute of Nuclear Research of the Hungarian Academy of Sciences (ATOMKI), 4026 Debrecen, Bem ter 18/c, Hungary;2. Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium;3. Cyclotron and Radioisotope Center (CYRIC), Tohoku University, Sendai 980-8578, Japan;4. Institute of Physics and Power Engineering (IPPE), Obninsk 249020, Russia;1. Institute for Nuclear Research, Hungarian Academy of Sciences, 4026 Debrecen, Hungary;2. Cyclotron Laboratory, Vrije Universiteit Brussel, Brussels 1090, Belgium;3. Institute of Physics, University of Debrecen, 4026 Debrecen, Hungary;1. Institute for Nuclear Research, Hungarian Academy of Sciences (ATOMKI), Debrecen, Hungary;2. Cyclotron Laboratory, Vrije Universiteit Brussel (VUB), Brussels, Belgium;3. Institute of Physics and Power Engineering (IPPE), Obninsk, Russia;1. Belgian Nuclear Research Centre (SCK?CEN), Boeretang 200, B-2400 Mol, Belgium;2. Politecnico di Milano, Department of Energy, CeSNEF-Nuclear Engineering Division, Via Ponzio, 34/3, 20133 Milano, Italy;3. ICTEAM Inst., Univ. Catholique de Louvain, Louvain-la-Neuve, Belgium;4. Department of Flow, Heat and Combustion Mechanics, Gent University (UGent), St.-Pietersnieuwstraat 41, B-9000 Gent, Belgium;1. Institute for Nuclear Research, Hungarian Academy of Sciences (ATOMKI), Debrecen, Hungary;2. Cyclotron Laboratory, Vrije Universiteit Brussel (VUB), Brussels, Belgium;3. Institute of Physics and Power Engineering (IPPE), Obninsk, Russia;1. Horia Hulubei National Institute for Physics and Nuclear Engineering, 077125 Magurele, Romania;2. IAEA Environment Laboratories, 4a Quai Antoine 1er, 98000 Monaco;3. Physics Department, University of Bucharest, 077125 Magurele, Romania;1. Horia Hulubei National Institute for Physics and Nuclear Engineering, 077125 Magurele, Romania;2. Physics Department, University of Bucharest, 077125 Magurele, Romania;3. IAEA Environment Laboratories, 4a Quai Antoine 1er, Monte Carlo 98000, Monaco |
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| Abstract: | Cross sections for production of the therapeutic radioisotope 131Cs via the 133Cs(p,3n)131Ba→131Cs route were investigated at cyclotrons. Excitation functions of the 133Cs(p,x)133m,133mg,131mg,129g,129m,128Ba, 132,129cum,127cumCs and 129m(ind),127cum,125cumXe nuclear reactions were measured up to 70 MeV proton energy. The experimental data were compared to the results of model calculations performed by means of ALICE-IPPE, EMPIRE-II and TALYS computer codes. Good overall agreement was observed. On the basis of the measured excitation functions integral yields were deduced. Charged particle production routes of 131Cs are discussed. |
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