Study of 113In(α, α) elastic scattering to determine α-optical potential relevant for astrophysical γ-process

IF 3.4 3区 物理与天体物理 Q2 PHYSICS, NUCLEAR Journal of Physics G: Nuclear and Particle Physics Pub Date : 2024-05-13 DOI:10.1088/1361-6471/ad3e96
Dipali Basak, Tanmoy Bar, Lalit Kumar Sahoo, Sukhendu Saha, T K Rana, C Bhattacharya, S Manna, Samir Kundu, J K Sahoo, J K Meena, A K Saha, Ashok Kumar Mondal and Chinmay Basu
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Abstract

The α-optical potential is one of the key input parameters used to measure the reaction rate of the (γ, α)-process using the Hauser-Feshbach statistical model and the principle of detailed balance. α-elastic scattering experiment on 113In p-nucleus was carried out in the energy range Elab = 26−32 MeV. The vacuum evaporation technique was used to prepare the 113In target (∼86 μg cm−2). An energy-dependent local optical potential parameters set was obtained by analysing the experimental elastic scattering angular distribution data. The local potential parameters are extrapolated for lower energies and are used to calculate the 113In(α, γ) reaction cross-section.
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研究 113In(α, α)弹性散射以确定与天体物理γ过程相关的α-光势
α光势是利用豪瑟-费斯巴赫统计模型和详细平衡原理测量(γ,α)过程反应速率的关键输入参数之一。在 Elab = 26-32 MeV 的能量范围内对 113In p 核进行了 α 弹性散射实验。实验采用真空蒸发技术制备 113In 靶件(∼86 μg cm-2)。通过分析实验弹性散射角分布数据,获得了与能量相关的局部光学势参数集。在较低能量下推导出的局部光势参数用于计算 113In(α, γ)反应截面。
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来源期刊
CiteScore
7.60
自引率
5.70%
发文量
105
审稿时长
1 months
期刊介绍: Journal of Physics G: Nuclear and Particle Physics (JPhysG) publishes articles on theoretical and experimental topics in all areas of nuclear and particle physics, including nuclear and particle astrophysics. The journal welcomes submissions from any interface area between these fields. All aspects of fundamental nuclear physics research, including: nuclear forces and few-body systems; nuclear structure and nuclear reactions; rare decays and fundamental symmetries; hadronic physics, lattice QCD; heavy-ion physics; hot and dense matter, QCD phase diagram. All aspects of elementary particle physics research, including: high-energy particle physics; neutrino physics; phenomenology and theory; beyond standard model physics; electroweak interactions; fundamental symmetries. All aspects of nuclear and particle astrophysics including: nuclear physics of stars and stellar explosions; nucleosynthesis; nuclear equation of state; astrophysical neutrino physics; cosmic rays; dark matter. JPhysG publishes a variety of article types for the community. As well as high-quality research papers, this includes our prestigious topical review series, focus issues, and the rapid publication of letters.
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