Cross Sections of Reaction 19F(d, xt)18F

IF 0.48 Q4 Physics and Astronomy Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2024-08-28 DOI:10.1134/S1062873824707530

L. N. Generalov, V. A. Zherebtsov, S. M. Selyankina

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Abstract

Total cross sections of ¹⁹F(d, xt)¹⁸F (β⁺, T_1/2 =109.7 min) reaction are evaluated in the range of deuteron energies E_d = 5–16 МeV in our electronic SaBa (Sarov Base) library using mathematic tools (spline approximation) of this library. The reasons for the research were the following. The reaction ¹⁹F(d, xt)¹⁸F where tritium and ¹⁸F nuclei are produced in the same amount has been used for calibration of the tritium detection efficiency in the measurements of cross sections of tritium-producing reactions by the method of tritium accumulation into metal collectors. There was a significant contradiction in experimental data. Our new data for ¹⁹F(d, xt)¹⁸F reaction at E_d = 6.65 and 6.69 MeV and ¹⁹F(d, t₀) reaction cross section at E_d = 6.99 and 7.99 MeV appeared. We presented the refinement of the published cross sections of tritium production in reactions on lithium isotopes due to acquisition of evaluated ¹⁹F(d, xt)¹⁸F reaction cross sections.

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反应截面 19F(d, xt)18F

摘要在我们的电子 SaBa（萨洛夫基地）库中，利用该库的数学工具（样条近似法）评估了氘核能量 Ed = 5-16 МeV 范围内 19F(d, xt)18F (β+, T1/2 =109.7 min)反应的总截面。研究的原因如下。19F(d, xt)18F 反应产生了等量的氚核和 18F 核，该反应已被用于校准氚检测效率，在测量产生氚反应的横截面时采用氚积聚到金属收集器中的方法。实验数据中存在明显的矛盾。我们获得了 Ed = 6.65 和 6.69 MeV 时 19F(d,xt)18F反应和 Ed = 6.99 和 7.99 MeV 时 19F(d,t0)反应截面的新数据。我们介绍了由于获得了评估的 19F(d,xt)18F反应截面而对已公布的锂同位素反应中氚生成截面的改进。

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来源期刊

Bulletin of the Russian Academy of Sciences: Physics Physics and Astronomy-Physics and Astronomy (all)

CiteScore

0.90

自引率

0.00%

发文量

251

期刊介绍： Bulletin of the Russian Academy of Sciences: Physics is an international peer reviewed journal published with the participation of the Russian Academy of Sciences. It presents full-text articles (regular, letters to the editor, reviews) with the most recent results in miscellaneous fields of physics and astronomy: nuclear physics, cosmic rays, condensed matter physics, plasma physics, optics and photonics, nanotechnologies, solar and astrophysics, physical applications in material sciences, life sciences, etc. Bulletin of the Russian Academy of Sciences: Physics focuses on the most relevant multidisciplinary topics in natural sciences, both fundamental and applied. Manuscripts can be submitted in Russian and English languages and are subject to peer review. Accepted articles are usually combined in thematic issues on certain topics according to the journal editorial policy. Authors featured in the journal represent renowned scientific laboratories and institutes from different countries, including large international collaborations. There are globally recognized researchers among the authors: Nobel laureates and recipients of other awards, and members of national academies of sciences and international scientific societies.