Isoscalar Giant Resonances of ^120Sn in the Quasiparticle Relativistic Random Phase Approximation |
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作者姓名: | 曹李刚 马中玉 |
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作者单位: | [1]InstituteofHighEnergyPhysics,ChineseAcademyofSciences,Beijing100039 [2]ChinaInstituteofAtomicEnergy,Beijing102413 |
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摘 要: | The quasiparticle relativistic random phase approximationmean field ground state in the response function formalism(QRRPA) is formulated based on the relativistic The pairing correlations are taken into accountin the Bardeen-Cooper-Schrieffer approximation with a constant pairing gap. The numerical calculations are performed in the case of various isoscalar giant resonances of nucleus ^120Sn with parameter set NL3. The calculated results show that the QRRPA approach could satisfactorily reproduce the experimental data of the energies of low-lying states.
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关 键 词: | 相对论准粒子随机相近似 Bardeen-Cooper-Schrieffer近似 相对论平均场 高能物理学 非线性介子自相互作用 |
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