论文标题
在时间依赖性方法中对晕核核分解中低铰接的共振的研究
Investigation of low-lying resonances in breakup of halo nuclei within the time-dependent approach
论文作者
论文摘要
我们研究了$^{11} $的库仑破裂是从中间（70 meV/nucleon）到低能量（5 meV/nucleon）在非扰动时间相关方法中的较重目标上的halo nuclei。在此能量范围内证明了计算方案的收敛性，包括\ textIt {n}+$^{10} $在不同的部分和自旋状态下是低洼的共鸣。我们发现了$ 5/2^{+} $共振的相当大贡献（$ e_ {r} $ = 1.23 meV）以30 mev/nucleon且更低的分手横截面，而在较高的能量下，共振的是$ 3/2^{ - } $ 3/2^{ - } $和$ 3/2^{+3/2^{+e__ = 2. 2. 2 2. r} $} $ {r} r} r} 7.贡献。获得的结果与69和72 MEV/核的实验数据非常吻合。还与其他作者的现有理论计算进行了比较，以20和30 meV/核的核心进行比较。开发的计算方案在调查库仑以及核核核上的核核分解时开辟了新的可能性。
We investigate the Coulomb breakup of $^{11}$Be halo nuclei on a heavy target from intermediate (70 MeV/nucleon) to low energies (5 MeV/nucleon) within the non-perturbative time-dependent approach. The convergence of the computational scheme is demonstrated in this energy range including \textit{n}+$^{10}$Be low-lying resonances in different partial and spin states. We have found a considerable contribution of the $5/2^{+}$ resonance ($E_{r}$= 1.23 MeV) to the breakup cross section at 30 MeV/nucleon and lower, while at higher energies, the resonant states $3/2^{-}$ and $3/2^{+}$ (with $E_{r}$= 2.78 and 3.3 MeV) make most visible contributions. The obtained results are in good agreement with experimental data available at 69 and 72 MeV/nucleon. Comparison with the existing theoretical calculations of other authors for 20 and 30 MeV/nucleon is also made. The developed computational scheme opens new possibilities in the investigation of the Coulomb, as well as nuclear, breakup of other halo nuclei on heavy and light targets.
