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首页> 外文期刊>Physics letters >Low-lying T = 0 states in the odd–odd N = Z nucleus 62Ga
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Low-lying T = 0 states in the odd–odd N = Z nucleus 62Ga

机译：低洼的 T = 0 状态为奇数< mml：math xmlns：mml =“ http://www.w3.org/1998/Math/MathML” altimg =“ si2.gif” display =“ inline” overflow =“ scroll”> N = Z 原子核 62 Ga

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New, low-lying levels in the odd–odd,N=Znucleus62Ga have been identified using a sensitive technique, where in-beamγrays from short-lived nuclei are tagged withβdecays following recoil mass identification. A comparison of the results with shell-model and IBM-4 calculations demonstrates good agreement between theory and experiment, with the majority of predicted low-lying, low-spinT=0states now identified. There is a dramatic change in the level density at low excitation energies for theN=Znucleus62Ga when compared with neighbouring odd–odd Ga isotopes where, in contrast, the low-lying level structure is dominated by configurations withT=1pairing interactions between excess neutrons. This illustrates the distinctively different aspects of nuclear structure exhibited by nuclei withN=Z.
机译：已经使用一种灵敏的技术鉴定了奇数，N = Znucleus62Ga中新的低洼水平，在反冲质量鉴定之后，来自短寿命原子核的束内γ射线被β衰变标记。将结果与shell模型和IBM-4计算结果进行比较表明，理论与实验之间具有很好的一致性，目前已确定了大多数预测的低地势，低自旋T = 0状态。与相邻的奇数Ga同位素相比，N = Znucleus62Ga在低激发能下的能级密度发生了显着变化，相比之下，低能级结构主要受多余中子之间T = 1配对相互作用的构型所控制。这说明了N = Z的核展现出的核结构截然不同的方面。

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