电磁质子-中子敲除~（16）O：理论上的新进展
Electromagnetic proton-neutron knockout off 16O: new achievements in theory
摘要：
在不同的动力学条件下，给出了16 O（e，e 'pn）14 N和16 O（gamma，pn）14 N敲除反应的截面的计算结果，并进行了讨论.在与早期的工作相比，一个完整的治疗中心的质量（CM）的影响，在核的单体电流被认为是在连接的问题，缺乏正交性之间的初始约束和最终的散射状态。由于CM和正交化的影响进行了研究，结合不同的治疗的相关性在两核子重叠函数和不同的参数化的两体电流。CM效应导致14 N的1_2^+激发态（3.95 MeV）的16 O（e，e 'pn）截面的超平行运动学急剧增加。在所有考虑的情况下，结果对相关性的处理非常敏感。张量相关性起着至关重要的作用，但长程相关性的贡献也很重要。
英文摘要：
Results for the cross sections of the exclusive 16O(e,e'pn)14N and 16O(gamma,pn)14N knockout reactions are presented and discussed in different kinematics. In comparison with earlier work, a complete treatment of the center-of-mass (CM) effects in the nuclear one-body current is considered in connection with the problem of the lack of orthogonality between initial bound and final scattering states. The effects due to CM and orthogonalization are investigated in combination with different treatments of correlations in the two-nucleon overlap function and for different parametrizations of the two-body currents. The CM effects lead in super-parallel kinematics to a dramatic increase of the 16O(e,e'pn) cross section to the 1_2^+ excited state (3.95 MeV) of 14N. In all the situations considered the results are very sensitive to the treatment of correlations. A crucial role is played by tensor correlations, but also the contribution of long-range correlations is important.
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