中文

用同位旋触发研究团簇产生机制:热模型与聚合模型之比较

核理论 2023-05-09 v2 核实验

摘要

同位旋触发可区分重离子碰撞中轻团簇的聚合产生与热产生。对 Y(π)Y(π+)Y(\pi^-) - Y(\pi^+) 进行触发可选择极富中子或富质子的末态。聚合模型(dnpd \propto n \cdot p)下的氘核(团簇)产生随之导致氘核产额对 ΔYπ\Delta Y_{\pi} 呈反抛物线依赖。相反,在热模型中,团簇产生与 ΔYπ\Delta Y_{\pi} 无关。观测到氘核(团簇)产额作为 ΔYπ\Delta Y_{\pi} 函数出现极大值,即为聚合机制提供了证实。

关键词

引用

@article{arxiv.2210.11699,
  title  = {Investigating the cluster production mechanism with isospin triggering: Thermal models versus coalescence models},
  author = {Apiwit Kittiratpattana and Tom Reichert and Pengcheng Li and Ayut Limphirat and Christoph Herold and Jan Steinheimer and Marcus Bleicher},
  journal= {arXiv preprint arXiv:2210.11699},
  year   = {2023}
}

备注

6 pages, 5 figures, version accepted and published by Physical Review C