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首页> 外文期刊>Nuclear Physics, A: Journal Devoted to the Experimental Study of the Fundamental Constituents of Matter and Their Actions >LASER-SPECTROSCOPY MEASUREMENTS OF KR-72-96 SPINS, MOMENTS AND CHARGE RADII
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LASER-SPECTROSCOPY MEASUREMENTS OF KR-72-96 SPINS, MOMENTS AND CHARGE RADII

机译：KR-72-96销，弯矩和电荷半径的激光光谱测量

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摘要

The spins, moments and radii of krypton isotopes have been investigated by collinear fast-beam laser spectroscopy in combination with ultra-sensitive collisional ionization detection. The sequence of isotopes under study ranges from the neutron-deficient N = Z = 36 isotope 72Kr to the neutron-rich 96Kr (N = 60). The mean-square charge radii in the neighbourhood of the N = 50 neutron-shell closure exhibit a pronounced shell effect which has recently been explained in the framework of relativistic mean-field theory. The results for the neutron-deficient nuclei are related to the shape coexistence of strongly prolate and near-spherical states which is known from nuclear spectroscopy. Here, an inversion of the odd-even staggering is observed below the neutron number N = 45. The neutron-rich transitional nuclei are influenced by the N = 56 subshell closure. In contrast to the N = 60 isotones 97Rb, 98Sr and 100Zr, the new isotope 96Kr is not strongly deformed. [References: 64]
机译：通过共线快速光束激光光谱结合超灵敏碰撞电离检测技术，研究了k同位素的自旋，矩和半径。研究中的同位素序列范围从中子不足的N = Z = 36同位素72Kr到富中子的96Kr（N = 60）。 N = 50的中子-壳闭合附近的均方电荷半径显示出明显的壳效应，最近已在相对论均场理论的框架内对此进行了解释。中子缺陷核的结果与强光谱和近球形状态的形状共存有关，这从核能谱学中可以得知。在这里，在中子数N = 45以下观察到奇偶交错的倒置。富N中子的过渡核受N = 56子壳封闭的影响。与N = 60个同素97Rb，98Sr和100Zr相比，新同位素96Kr不会强烈变形。 [参考：64]

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