发表机构
Ohio University; Johannes Gutenberg-Universität（俄亥俄大学; 约翰内斯·古腾堡大学）
机构由 AI 辅助整理，请以论文原文为准。AI 中文总结
本文通过11Be在208Pb上的库仑碎裂实验，结合有效多通道粒子-转子模型，证明碎裂截面不依赖于谱因子，因此谱因子无法从这类测量中推断，并计划推广至其他反应。
AI 中文摘要
晕核主要通过反应进行研究。在碎裂反应中，弹丸射向靶核，诱导松散束缚的晕核从核芯解离。在大多数情况下，从实验数据中推断出核芯-晕结构的谱因子。在本贡献中，我们提出了对在RIKEN测量的11Be在208Pb上69A MeV库仑碎裂的新分析。我们使用弹丸的有效多通道粒子-转子模型，该模型考虑了10Be核芯的激发。计算结果与数据高度一致，与谱因子的值无关。这证实了碎裂截面对该值不敏感，且谱因子不能从此类测量中推断。在不久的将来，我们计划将此想法扩展到其他反应。
英文摘要
Halo nuclei are mostly studied through reactions. In breakup reactions, the projectile is sent upon a target, which induces the dissociation of the loosely-bound halo from the core of the nucleus. In most cases, a spectroscopic factor for the core-halo structure is inferred from experimental data. In this contribution, we present a new analysis of the Coulomb breakup of 11Be on 208Pb at 69A MeV measured at RIKEN. We use an effective multi-channel particle-rotor model of the projectile, which accounts for the excitation of the 10Be core. The calculations are in excellent agreement with the data, independently of the value of the spectroscopic factor. This confirms that breakup cross sections are insensitive to this value and that spectroscopic factors cannot be inferred from such measurements. In the near future, we plan to extend this idea to other reactions.
Comments8 pages, 4 figures, contribution to the proceedings of the 17th Varenna Conference on Nuclear Reaction Mechanisms (Varenna, Italy, 14-19 June 2026)
