Entrance channel dependence of quasi fission in reactions leading to 206Po compound nucleus

IF 1.7 4区 物理与天体物理 Q2 PHYSICS, NUCLEAR Nuclear Physics A Pub Date : 2023-11-13 DOI:10.1016/j.nuclphysa.2023.122789
Hajara K. , M.M. Musthafa , N. Madhavan , S. Nath , Jagadish Gehlot , Gonika , C.V. Midhun , Shaima Akbar , Fathima Shirin Shana , A. Parihari , Rohan Biswas , Amninder Kaur
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Abstract

The evaporation residue (ER) cross sections for the reaction F19+187Re206Po are measured, in the excitation energy range of 86.1 to 118.4 MeV. The measured cross sections are compared with that of 30Si + 176Yb reaction populating the same compound nucleus. Theoretical calculations are performed using the coupled - channels calculations for the capture cross sections and statistical model calculations for the ER cross sections. The dependence of quasi fission on entrance channel parameters such as charge product (Z1Z2), mass asymmetry (α), target deformation (β2) and effective fissility (χeff) are studied.

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导致206Po复合核的准裂变反应的入口通道依赖性
在激发能86.1 ~ 118.4 MeV范围内,测量了F19+187Re→206Po的蒸发残馀(ER)截面。将实测截面与30Si + 176Yb反应的截面进行了比较。理论计算采用耦合通道计算捕获截面和统计模型计算的ER截面。研究了准裂变与入口通道参数如电荷积(Z1Z2)、质量不对称(α)、靶变形(β2)和有效裂变率(χeff)的关系。
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来源期刊
Nuclear Physics A
Nuclear Physics A 物理-物理:核物理
CiteScore
3.60
自引率
7.10%
发文量
113
审稿时长
61 days
期刊介绍: Nuclear Physics A focuses on the domain of nuclear and hadronic physics and includes the following subsections: Nuclear Structure and Dynamics; Intermediate and High Energy Heavy Ion Physics; Hadronic Physics; Electromagnetic and Weak Interactions; Nuclear Astrophysics. The emphasis is on original research papers. A number of carefully selected and reviewed conference proceedings are published as an integral part of the journal.
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