HIAF 能区下 $\pi^{0}$ 介子衰变产生的 $U$ 玻色子研究
高能物理 - 唯象学
2014-10-28 v2
摘要
在轻暗物质 (LDM) 模型框架内,LDM 交换粒子 玻色子(质量为 10-100 MeV)可由多种介子衰变过程产生,因此备受关注。考虑到从 衰变中搜寻 玻色子的优势,本文利用相对论输运 (ART) 模型,首次给出了束流能量为 5-10 GeV 时,衰变道 产生的轻自旋 -1 矢量 玻色子的动量谱,以及 衰变产生的正电子能谱。此外,还讨论了在 HIAF 能区实验中搜寻 玻色子的可行性与合理性,这将在理论和实验上对理解并最终探测 玻色子起到重要的推动作用。
引用
@article{arxiv.1312.3144,
title = {The study of $U$-boson from $\pi^{0}$-meson decays at HIAF energy},
author = {Xiaoyun Wang and Xurong Chen and Qi Zeng and Wei Jiang and Rang Wang and Baiyang Zhang},
journal= {arXiv preprint arXiv:1312.3144},
year = {2014}
}
备注
This paper has been withdrawn by the author due to some passages considered to be indecent need to be deleted. Besides, we want to add some important results, such as the plot of limit of the decay branching ratio as a function of the U boson