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Charge radii in macroscopic-microscopic mass models of axial asymmetry

非軸対称な巨視的-微視的質量模型による原子核荷電半径

飯村 秀紀  ; Buchinger, F.*

Iimura, Hideki; Buchinger, F.*

非軸対称な変形が予想される多数の原子核の荷電半径を、Finite Range Droplet模型に非軸対称性を取り入れて計算したところ、実験値との良い一致が得られた。この改善の原因は、非軸対称性を含んだ質量計算から得られる四重極変形パラメータ$$beta$$$$_{2}$$を用いたことが主であり、荷電半径の計算に直接現れる非軸対称変形パラメータ$$gamma$$にはほとんど依存しないことがわかった。

We show that the charge radii of axially asymmetric nuclei calculated in the frame of finite-range droplet model are in better agreement with measured charge radii when axial asymmetry is taken into account. This improvement is mainly the result of a new set of ground-state quadrupole deformations $$beta$$$$_{2}$$, generated when masses are calculated including axial asymmetry, and to a much lesser degree due to the inclusion of the axial asymmetry in the calculation of the charge radii itself.

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パーセンタイル:40.96

分野:Physics, Nuclear

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