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Benchmark experiment for the cross section of the Mo-100(p,2n)Tc-99m and Mo-100(p,pn)Mo-99 reactions

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タイトル: Benchmark experiment for the cross section of the Mo-100(p,2n)Tc-99m and Mo-100(p,pn)Mo-99 reactions
著者: Takacs, S. 著作を一覧する
Ditroi, F. 著作を一覧する
Aikawa, M. 著作を一覧する
Haba, H. 著作を一覧する
Otuka, N. 著作を一覧する
キーワード: Tc-99m
Mo-99
Thick target count rate
Cross section
Cyclotron
発行日: 2016年 5月15日
出版者: Elsevier
誌名: Nuclear Instruments and Methods in Physics Research Section B : Beam Interactions with Materials and Atoms
巻: 375
開始ページ: 60
終了ページ: 66
出版社 DOI: 10.1016/j.nimb.2016.03.040
抄録: As nuclear medicine community has shown an increasing interest in accelerator produced Tc-99m radionuclide, the possible alternative direct production routes for producing Tc-99m were investigated intensively. One of these accelerator production routes is based on the Mo-100(p,2n)Tc-99m reaction. The cross section of this nuclear reaction was studied by several laboratories earlier but the available data-sets are not in good agreement. For large scale accelerator production of Tc-99m based on the (100)mMo(p,2n)Tc-99m reaction, a well-defined excitation function is required to optimise the production process effectively. One of our recent publications pointed out that most of the available experimental excitation functions for the Mo-100 (p,2n)(99)mTc reaction have the same general shape while their amplitudes are different. To confirm the proper amplitude of the excitation function, results of three independent experiments were presented (Takacs et al., 2015). In this work we present results of a thick target count rate measurement of the E-gamma = 140.5 keV gamma-line from molybdenum irradiated by E-p = 17.9 MeV proton beam, as an integral benchmark experiment, to prove the cross section data reported for the Mo-100(p,2n)Tc-99m and Mo-100(p,pn)Mo-99 reactions in Takacs et al. (2015).
Rights: c2016, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/68613
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 合川 正幸

 

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