Production of 38K via the 38Ar(p,n)-process at a small cyclotron |
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| Affiliation: | 1. Institut für Chemie 1 (Nuklearchemie), Forschungszentrum Jülich GmbH, 5170 Jülich, Fed. Rep. Germany;2. Institute for Nuclear Research, Hungarian Academy of Sciences, 4001 Debrecen, Hungary;1. TRIUMF, 4004 Wesbrook Mall, Vancouver, BC, Canada V6T2A3;2. Department of Chemical and Biological Engineering, University of British Columbia, 2360 East Mall, Vancouver, BC, Canada V6T1Z3;3. British Columbia Cancer Agency, 675 West 10th Avenue, Vancouver, BC, Canada V5Z1L3;1. Nuclear Reaction Data Center (JCPRG), Faculty of Science, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo 060-0810, Japan;2. Advanced Clinical Research Center, Fukushima Global Medical Science Center, Fukushima Medical University, Hikariga-oka, Fukushima City 960-1295, Japan;3. Faculty of Science, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo 060-0810, Japan;4. Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan;1. Department of Medical Physics and Applied Radiation Sciences, McMaster University, Hamilton, ON L8S 4K1, Canada;2. Ontario Power Generation, Toronto, ON M5G 1X6, Canada;1. Laboratório Nacional de Metrologia das Radiações Ionizantes (LNMRI/IRD/CNEN), Av. Salvador Allende, s/n, Recreio, CEP 22780-160 RJ, Brazil;2. Laboratório de Instrumentação Nuclear (LIN/PEN/COPPE/UFRJ), Caixa Postal 68509, CEP 21945-970 RJ, Brazil;1. Department of Physics and Astronomy, King Saud University, P. O. Box 2455, Riyadh, 11451, Saudi Arabia;2. Department of Physics, College of science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia;3. Department of Physics, Sakarya University, Sakarya, Turkey;1. Inter University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi 110067, India;2. School of Computer & System Sciences, Jawaharlal Nehru University, New Delhi 110067, India;3. Department of Physics, Panjab University, Chandigarh 160014, India |
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| Abstract: | The excitation function of the 38Ar(p, n)38K reaction was measured from threshold up to 18 MeV by the activation technique using isotopically enriched 38Ar as target gas. Differential and integral yields of 38K were calculated. The optimum energy range for production was found to be Ep = 16 → 12 MeV, the 38K yield at saturation amounting to 21 mCi (777 MBq)/μA. Experimental thick target yields of 38K were determined under high current production conditions using natAr and enriched 38Ar as target gases. The 38Ar(p, n)38K process is ideally suited for production of 38K at a small cyclotron. |
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