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First Low Temperature Measurement Of The Giant Dipole Resonance Width In Sn

机译:Sn中巨偶极子谐振宽度的首次低温测量

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摘要

The width of the Giant Dipole Resonance in Sn was studied by means of inelastic scattering. This study allowed for the first measurement of the GDR width at a temperature of 1 MeV. The width was found to be 4+-1 MeV, and is consistent with the ground state measurement. This result is in disagreement with adiabatic thermal shape fluctuation calculations, indicating an overestimation of the influence of thermal shape fluctuations at low temperature.
机译:通过非弹性散射研究了锡中的巨偶极子共振的宽度。这项研究允许在1 MeV的温度下首次测量GDR宽度。发现宽度为4 + -1 MeV,并且与基态测量值一致。该结果与绝热的热形状波动计算不一致,表明对低温下的热形状波动的影响进行了高估。

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