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Population of lead isotopes in binary reactions using a Rb-94 radioactive beam

机译:使用RB-94放射束的二元反应铅同位素群体

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We measured absolute cross sections for neutron transfer channels populated in the Rb-94 + Pb-208 binary reaction. Cross sections have been extracted identifying directly the lead isotopes with the high efficiency MINIBALL gamma-ray array coupled to a particle detector combined with a radioactive Rb-94 beam delivered at E-lab = 6.2 MeV/nucleon by the HIE-ISOLDE facility. We observed sizable cross sections in the neutron-rich mass region, where the heavy partner acquires neutrons. A fair agreement between the measured cross sections with those from GRAZING calculations gives confidence in the cross-section predictions of more neutron-rich nuclei produced via a larger number of transferred nucleons.
机译:我们测量了Rb-94+Pb-208二元反应中中子转移通道的绝对截面。利用高效小球伽马射线阵列(与粒子探测器耦合)和HIE-ISOLDE设施在E-lab=6.2 MeV/核子处交付的放射性Rb-94束,提取了直接识别铅同位素的横截面。我们在富含中子的质量区观察到了相当大的横截面,在那里重的伙伴获得中子。测量的横截面与掠射计算的横截面之间的合理一致,使人们对通过大量转移核子产生的更多富中子核的横截面预测具有信心。

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