中文

来自固态氨动态极化靶的氮在弹性与准弹性运动学中的双自旋不对称性

核实验 2019-10-02 v3

摘要

固态氨(NH3_3)常用作电子和缪子散射截面不对称性测量的动态极化质子靶。作为自旋1+^{+}粒子,靶中的14^{14}N核也被极化并贡献不可忽略的不对称性背景,应予以处理。我们在此描述一种提取氮对不对称性贡献的方法,并报道在束流能量E=1.7E=1.7 GeV与E=2.2E=2.2 GeV、动量转移Q2=0.0230.080Q^{2}=0.023-0.080 GeV2^{2}下电子–氮散射的截面不对称性。

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引用

@article{arxiv.1905.12550,
  title  = {The Double Spin Asymmetry of Nitrogen in Elastic and Quasielastic Kinematics from a Solid Ammonia Dynamically Polarized Target},
  author = {Moshe Friedman and Jessica Campbell and Donal Day and Douglas W. Higinbotham and Adam Sarty and Guy Ron},
  journal= {arXiv preprint arXiv:1905.12550},
  year   = {2019}
}