核子对关联效应对超重原子核结构的影响

探索原子核电荷和质量的极限，是当今核物理研究的重要前沿领域。随着超重核的质子数增加，其寿命在快速下降。但科学家预言在超重核区域存在一座“超重稳定岛” 。“超重稳定岛”上的原子核量子壳效应足够强，可以有较长的寿命，甚至可能是稳定核。然而今天，超重岛的位置仍然没有被确定下来。核子间对关联在核物理的很多现象和描述中，起着至关重要的作用。初步计算表明，对力很可能对超重核的结构性质具有重要影响。我们将通过数值计算探索对力对超重核基态性质和裂变性质的影响，理论上寻找长寿命超重核和“超重稳定岛”。我们将检验现有对力对超重核区的适用性，并拟合出一组适用于超重核区的对力参数。

Exploring the limit of nuclear charge and mass is an important frontier field of nuclear physics nowadays. As the proton number increases in superheavy nuclei, the lifetimes of superheavy nuclei decrease rapidly. But scientists predict an "island" of stability in the superheavy region theoretically. For nuclei on the "island' of stability, the quantum shell is strong enough, so they may have a long lifetime, even probably be stable nuclei. However, the location of the "island" of stability remains uncertain until now. Pairing correlation plays an important role in large number of phenomena and descriptions in nuclear physics. Preliminary calculations show that the pairing force may have an important effect on the structural properties of the superheavy nuclei. Through numerical calculations, we will explore the influence of pairing force on ground state properties and fission properties of superheavy nuclei, and search for long-lived superheavy nuclei and the "island" of stability theoretically. We will examine the applicability of existing pairing interactions to the superheavy region, and fit a set of pairing parameters suitable for superheavy nuclei.