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The activation cross section measurements of proton-induced reactions on Li and Ta in the energy region 12.5-34 MeV
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SYSNO ASEP 0547658 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title The activation cross section measurements of proton-induced reactions on Li and Ta in the energy region 12.5-34 MeV Author(s) Šimečková, Eva (UJF-V) RID, ORCID, SAI
Majerle, Mitja (UJF-V) RID, ORCID, SAI
Štefánik, Milan (UJF-V) RID, ORCID, SAI
Mrázek, Jaromír (UJF-V) RID, ORCID, SAI
Novák, Jan (UJF-V) RID, SAI
Magna, T. (CZ)Number of authors 6 Article number 122310 Source Title Nuclear Physics. A. - : Elsevier - ISSN 0375-9474
Roč. 1016, DEC (2021)Number of pages 11 s. Publication form Print - P Language eng - English Country NL - Netherlands Keywords activation cross sections ; proton-induced reaction Subject RIV BG - Nuclear, Atomic and Molecular Physics, Colliders OECD category Nuclear physics R&D Projects EF16_013/0001812 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Research Infrastructure CANAM II - 90056 - Ústav jaderné fyziky AV ČR, v. v. i. Method of publishing Limited access Institutional support UJF-V - RVO:61389005 UT WOS 000710450800003 EID SCOPUS 85118693638 DOI 10.1016/j.nuclphysa.2021.122310 Annotation The experimental data on cross sections are necessary to clarify existing ideas on the mechanisms of nuclear reactions and for testing of nuclear models. Proton-induced reaction on 7Li serves as a source of quasi-monoenergetic neutrons which are widely used in the measurement of cross sections for neutron induced reactions. Tantalum plays an important role in technology and nuclear facilities mainly for its low induced activity (screens, degraders). In order to investigate the important nuclides, we have carried out the irradiation experiments with the variable-energy cyclotron U-120M of the NPI CAS Rez. The cross section of the reaction Li-7(p,n)Be-7(ground state+0.43 MeV) and the cross sections of the nuclides (180,178)mTa, W-178 and Hf-175 from reactions on natural tantalum were investigated, of which Ta-181(p,n)(180)gTa for the first time. The stacked-foil technique was utilized. The comparison of new results with prior data and predictions of evaluations is discussed. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2022 Electronic address https://doi.org/10.1016/j.nuclphysa.2021.122310
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