Single-particle motion at large distances in 2N+core cluster systems near the drip line: a challenge for nuclear theory and experiment

Single-particle motion at large distances in 2N+core cluster systems near the drip line: a challenge for nuclear theory and experiment
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滴水线附近2N核心簇系统中的长距离单粒子运动:核理论和实验的挑战

DOI:
10.1088/1742-6596/111/1/012034
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发表时间:
2008
期刊:
Conference Series
影响因子:
--
通讯作者:
Timofeyuk N
Timofeyuk N
中科院分区:
--
文献类型:
--
作者:
Timofeyuk N

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存在一类通过将一个核子加到松散束缚的核子-核系统中而获得的核,例如12Be,9C,18Ne。对于这样的核,由于核上方两个核子之间的关联,代表单粒子运动的单核子重叠积分可能与标准积分有很大不同。可能的非标准重叠行为应该包括在解释从一个核子去除反应中获得的实验数据中,例如敲除、转移和分裂,以及导致这些核的低能核子俘获的预测。我们调查了三体模型中的非标准行为,并讨论了与此问题相关的挑战。
There exists a class of nuclei that are obtained by adding one nucleon to a loosely-bound nucleon-core system, for example 12 Be, 9 C, 18 Ne. For such nuclei, one-nucleon overlap integrals that represent single-particle motion can strongly differ from the standard ones due to the correlations between the two nucleons above the core. The possible non-standard overlap behaviour should be included in the interpretation of the experimental data derived from one nucleon removal reactions such as knockout, transfer and breakup, as well as the predictions of low-energy nucleon capture that leads to these nuclei. We investigate the non-standard behaviour within a three-body model and discuss the challenges associated with this problem.
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