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Studies Of Neutron-Rich Nuclei With (d,p) Reactions In Inverse Kinematics At The HRIBF

机译:在HRIBF在逆运动学中与(D,P)反应的中子核细胞核的研究

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Two N=51 isotones have been measured using (d,p) reactions in inverse kinematics at the Holifield Radioactive Beam Facility (HRIBF) of Oak Ridge National Laboratory. Additionally, we have performed a test measurement using a stable 124Sn beam in preparation for measurements of the 2H(130,132Sn,p)131,133Sn reactions. Preliminary results for 83Ge and 85Se suggest a 5/2+ ground state and a 1/2+ first excited state for both isotopes, in agreement with systematics for the N=51 isotones. The excitation energy of the first excited state is shown to drop as the proton number is reduced. Proton angular distributions following the 2H(124Sn,p)125Sn reaction show sensitivity to the l-value of the transfered nucleon and spectroscopic factors are in agreement with previous measurements in normal kinematics.
机译:在橡树岭国家实验室的Helifield放射束设施(HRIBF)的逆运动学中使用(d,p)反应来测量两种n = 51个异水。另外,我们已经使用稳定的124Sn光束进行了测试测量,用于制备2H(130,132Sn,P)131,133Sn反应的测量。 83GE和85SE的初步结果表明了5/2 +地面状态和两个同位素的1/2 +第一激发态,同位素与N = 51个异鼻的系统有关。当质子数减少时,第一激发状态的激发能量显示为下降。在2H(124Sn,P)125SN反应后的质子角分布显示转移的核仁的L值的敏感性,并且光谱因素与正常运动学中的先前测量一致。

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