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Excitation functions of neutron-induced threshold reactions in Au, Bi, Ta measured using 30-94 MeV quasi mono-energetic neutron sources
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SYSNO ASEP 0572322 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Excitation functions of neutron-induced threshold reactions in Au, Bi, Ta measured using 30-94 MeV quasi mono-energetic neutron sources Author(s) Vrzalová, Jitka (UJF-V) RID, ORCID
Krása, A. (BE)
Chudoba, Petr (UJF-V) RID, ORCID
Khushvaktov, J. (UZ)
Kugler, Andrej (UJF-V) RID, ORCID, SAI
Majerle, Mitja (UJF-V) RID, ORCID, SAI
Suchopár, M. (CZ)
Svoboda, Ondřej (UJF-V) RID, ORCID, SAI
Tichý, Pavel (UJF-V) SAI
Wagner, Vladimír (UJF-V) RID, ORCID, SAINumber of authors 10 Article number 122593 Source Title Nuclear Physics. A. - : Elsevier - ISSN 0375-9474
Roč. 1031, MAR (2023)Number of pages 18 s. Publication form Print - P Language eng - English Country NL - Netherlands Keywords Neutron threshold reactions ; Cross-section ; Excitation function ; Gamma-ray spectrometry ; Nuclear level density ; TALYS OECD category Nuclear physics R&D Projects LTT18021 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Limited access Institutional support UJF-V - RVO:61389005 UT WOS 000990259000001 EID SCOPUS 85145835548 DOI 10.1016/j.nuclphysa.2022.122593 Annotation Activation measurements of neutron-induced threshold reactions were studied employing 7Li(p, n) quasi mono-energetic neutron sources in the neutron energy range of 30-94 MeV, where scarce experimental and evaluated data exist. A novel iterative neutron background subtraction approach is presented for the first time and its successful application is demonstrated on the analysis of the excitation functions of (n, xn) reactions in Au, Bi and Ta with x up to 10. Some of them are on the High Priority Nuclear Data Request List (HPRL). A comprehensive comparison of the measured data with theoretical predictions using the TALYS code is presented. While the calculated cross-sections agree with the measurements for lowerthreshold reactions, severe discrepancies are observed for higher (n, xn) reactions for any of the TALYS model parameters. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2024 Electronic address https://doi.org/10.1016/j.nuclphysa.2022.122593
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