Fission barriers of heavy nuclei within a microscopic approach

Bonneau L; Quentin P; Samsoen D

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Fission barriers of heavy nuclei within a microscopic approach

机译：微观方法中重核的裂变屏障

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The fission barriers of twenty-six isotopes of Thorium, Uranium, Plutonium, Californium, Fermium and Nobelium have been microscopically calculated up to and beyond the second saddle point within a constrained Hartree-Fock plus pairing approach. The Skyrme density-dependent effective force in its SkM* parametrization-rather well suited to the description of fission barriers-has been used in the particle-hole channel, whereas the usual HF plus BCS formalism with either a seniority force or a delta force has been implemented to treat pairing correlations. The energy correction due to the rotational zero-point motion has been approximately taken into account and the effects of triaxial and reflection asymmetric deformations have been investigated. When known, the experimental fission barrier heights are reproduced within about 1-2 MeV.

机译：在受约束的Hartree-Fock plus配对方法中，通过显微镜计算了Thor，铀，P，Cali，Fer和No的26种同位素的裂变势垒。 SkM *参数化中依赖于Skyrme密度的有效力-非常适合描述裂变屏障-已在粒子-孔道中使用，而通常的HF加BCS形式主义既有年资力也有三角力已实现以处理配对相关性。大约考虑了由于旋转零点运动引起的能量校正，并研究了三轴和反射不对称变形的影响。已知时，实验裂变势垒高度大约在1-2 MeV之内。

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《The European Physical Journal, A. Hadrons and Nuclei》 |2004年第3期|共16页
作者
Bonneau L; Quentin P; Samsoen D;
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正文语种 eng
中图分类原子核物理学;
关键词
SELF-CONSISTENT CALCULATIONS; HARTREE-FOCK APPROXIMATION; SPECTROSCOPIC PROPERTIES; PAIRING CORRELATIONS; ROTATIONAL BAND; DEFORMATION; NO-254; STATES; ENERGY;

机译：自洽计算;哈氏福克斯逼近;光谱特性;配对关系;旋转带;形变;NO-254;态;能量;

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1. Fission barriers of heavy nuclei within a microscopic approach [J] . Bonneau L, Quentin P, Samsoen D The European Physical Journal, A. Hadrons and Nuclei . 2004,第3期

机译：微观方法中重核的裂变屏障
2. Dynamical approach to heavy-ion induced fission using actinide target nuclei at energies around the Coulomb barrier [J] . Y. Aritomo12 K. Hagino3 K. Nishio1 and S. Chiba41 Physical Review C: Nuclear Physics . 2012,第4期

机译：在库仑势垒周围能量处利用act系元素靶核进行重离子诱导裂变的动力学方法
3. Band-head spectra of low-energy single-particle excitations in some well-deformed, odd-mass heavy nuclei within a microscopic approach [J] . Koh Meng-Hock, Dao Duy Duc, T. V. Nhan Hao, The European Physical Journal, A. Hadrons and Nuclei . 2016,第1期

机译：微观方法中某些变形良好的奇质量重核中低能单粒子激发的能带谱
4. FISSION BARRIER HEIGHTS OF MEDIUM HEAVY AND HEAVY NUCLEI [C] . Zakopane conference on nuclear physics . 2009

机译：中重和重核的裂变屏障高度
5. Heavy-ion-induced ternary fission as a probe of the dynamical decay of excited nuclei. [D] . Bredeweg, Todd Allen. 2001

机译：重离子诱导的三元裂变作为激发核动态衰减的探针。
6. For fission yeast nuclei it takes two to tango [O] . Ben Short 2015

机译：对于裂变酵母核探戈需要两个时间
7. Bohr Quadrupole Collective Dynamics and the Inner Fission Barrier of Some Heavy Even–Even Nuclei Within the Highly Truncated Diagonalization Approach [O] . M. Imadalou, M. Rebhaoui, K. Benrabia, 2021

机译：在高截断的对角化方法中，Bohr四极限集体动力学和一些重度偶核的内部裂变屏障
8. Microscopic Calculation of Fission Fragment Anisotropics for Nuclei Exhibiting a Double Barrier [R] . R. Vandenbosch 1972

机译：双重屏障核的裂变碎片各向异性的微观计算

Fission barriers of heavy nuclei within a microscopic approach

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