FASER 上轻标量玻色子衰变产生的暗光子
高能物理 - 唯象学
2022-11-22 v4 高能物理 - 实验
摘要
FASER 是搜寻超越标准模型的长寿命粒子的前景实验之一。本文中,我们关注与额外 U(1) 规范对称性相关的暗光子,以及一个打破该 U(1) 规范对称性的标量玻色子。我们研究了源自 U(1)-破缺标量衰变的暗光子的灵敏度。我们发现,相较于先前研究,在更宽的参数空间内可预期有相当数量的暗光子信号。
引用
@article{arxiv.2008.12765,
title = {Dark Photon from Light Scalar Boson Decays at FASER},
author = {Takeshi Araki and Kento Asai and Hidetoshi Otono and Takashi Shimomura and Yosuke Takubo},
journal= {arXiv preprint arXiv:2008.12765},
year = {2022}
}
备注
12 pages, 3 figures; v2: typos corrected, discussions and references added; v3: added references, figures, and comments on the light scalar case, calculated event number by Monte Carlo simulations, version to be published in JHEP; v4: replaced right panels of figures 2 and 4