原子一次性放射性分子识别:研究超重元素的研究
Fatima H Garcia1, Jennifer L Pore1,2, Jacklyn M Gates1,2
1Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States.
The journal of physical chemistry. A
|July 15, 2025
概括
研究人员开发了一种新的气相化学方法来研究超重元素 (SHEs). 这种技术成功地产生和识别了放射性分子,为未来的SHE研究和周期表重新评估铺平了道路.
科学领域:
- 核化学 核化学 核化学
- 原子物理 原子物理
- 化学物理 化学物理
背景情况:
- 超重元素 (SHEs) 表现出不太了解的化学行为,挑战周期表的预测能力.
- 由于生产率低和半衰期短,SHEs的实验研究需要在一次原子的基础上进行快速的化学研究.
研究的目的:
- 开发和验证一种创新的气相化学技术,用于生产和识别由SHEs形成的分子物种.
- 证明在受控条件下研究放射性分子生产的能力.
主要方法:
- 利用一种新的气相化学方法,采用伯克利气相填充分离器和FIONA.
- 通过核反应合成超重元素.
- 根据它们的质量与电荷比,确定了分子物种.
主要成果:
- 成功生产和识别了放射性分子,特别是151,152HoO+.
- 证明了在受控的,一次性原子条件下研究放射性分子的产生的能力.
- 验证了新技术在低统计量超重元素研究中的有效性.
结论:
- 开发的气相化学方法对于研究超重元素是有效的.
- 这种技术为下一代实验性SHE化学研究提供了途径.
- 这些发现有可能重新评估超重元素在周期表上的位置.
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