能量低于 18 MeV 时 197Au(p,n) 197gHg 和 197Au(p,n) 197mHg 反应的截面

IF 2.8 3区物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY

The European Physical Journal Plus Pub Date : 2024-11-13 DOI:10.1140/epjp/s13360-024-05780-1

T. V. Kotanjyan, A. Y. Aleksanyan, S. M. Amirkhanyan, A. A. Gevorgyan, V. B. Ghavalyan, H. R. Gulkanyan, L. A. Poghosyan

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引用次数: 0

摘要

分别获得了 197Au(p,n)197mHg 和 197Au(p,n)197gHg 反应的截面 σ1 和 σ2 的新实验数据，以及质子能量低于 18 MeV 时的异构截面比 R = σ1 / σ2。新数据有助于消除来自不同实验的关于 σ2 和 R 的现有数据集之间的差异。横截面数据集与核反应模拟代码 TALYS（1.96 版）的预测进行了比较，使用了该代码几个主要组成部分的不同选项组合，如光子强度函数、光学模型势、核级密度和预平衡机制。

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Cross sections of 197Au(p,n) 197gHg and 197Au(p,n) 197mHg reactions at energies below 18 MeV

New experimental data are obtained on cross sections σ₁ and σ₂ of ¹⁹⁷Au(p,n)^197mHg and ¹⁹⁷Au(p,n)^197gHg reactions, respectively, as well as on the isomeric cross-section ratio R = σ₁ / σ₂ for proton energies below 18 MeV. The new data can help to clear up the discrepancies between existing data sets on σ₂ and R from different experiments. The cross-section data sets are compared to the predictions of the nuclear reactions simulation code TALYS (version 1.96), using different combinations of options of several main components of the code, such as the photon strength function, the optical model potential, the nuclear level density and the pre-equilibrium mechanism.

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来源期刊

The European Physical Journal Plus PHYSICS, MULTIDISCIPLINARY-

CiteScore

5.40

自引率

8.80%

发文量

1150

审稿时长

4-8 weeks

期刊介绍： The aims of this peer-reviewed online journal are to distribute and archive all relevant material required to document, assess, validate and reconstruct in detail the body of knowledge in the physical and related sciences. The scope of EPJ Plus encompasses a broad landscape of fields and disciplines in the physical and related sciences - such as covered by the topical EPJ journals and with the explicit addition of geophysics, astrophysics, general relativity and cosmology, mathematical and quantum physics, classical and fluid mechanics, accelerator and medical physics, as well as physics techniques applied to any other topics, including energy, environment and cultural heritage.