High precision theory and calculations for hydrogen molecular ions and antiprotonic helium

来源 :第七届冷原子物理国际学术研讨会(ISCAP-VII)会议 | 被引量 : 0次 | 上传用户：YUZHOU2010

【摘要】

：

　　少体原子分子精密谱研究在检验束缚态QED理论、确定基本物理常数上具有重要的科学意义.氢分子离子和反质子氦精密谱研究重点之一就是可以高精度地直接确定(反)质子一电子

【作者】

：

Zhen-Xiang ZHONG

【机构】

：

DivisionofTheoreticalandInterdisciplinaryResearch,StateKeyLaboratoryofMagneticResonanceandAtomicandM

【出处】

：

第七届冷原子物理国际学术研讨会(ISCAP-VII)会议

【发表日期】

：

2016年6期

【关键词】

：

氢分子离子反质子氦精密谱相对论和QED修正

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论文部分内容阅读

　　少体原子分子精密谱研究在检验束缚态QED理论、确定基本物理常数上具有重要的科学意义.氢分子离子和反质子氦精密谱研究重点之一就是可以高精度地直接确定(反)质子一电子质量比.当前CODATA通过质子和电子质量给出的质子一电子质量比相对误差已经达到9.5E-11.为了将直接确定质量比的精度推进到1E-9(1ppb)，理论和实验测量精度要分别达到1E-10和4E-10.这对于理论和实验都是一个巨大的挑战.就理论来说，跃迁频率系按照精细结构常数的次幂展开；我们需要考虑到a5阶的相对论和QED修正.我们将系统地介绍我们在氢分子离子和反质子氦精密谱方面已经取得的成就和最近的进展.

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High precision theory and calculations for hydrogen molecular ions and antiprotonic helium

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