大亚湾的宇宙成因中子产生
高能物理 - 实验
2018-04-04 v2 仪器与探测器
摘要
宇宙线缪子产生的中子是研究中微子振荡、无中微子双贝塔衰变、暗物质及其他稀有事件信号的地下实验的重要本底。本文报道在大亚湾反应堆中微子实验三个不同实验厅、不同深度处测得的中子产额。大亚湾液体闪烁体中的中子产额在 250、265 和 860 米水当量深度处测得分别为 、 和 gcm。这些结果与其他测量以及 Fluka 和 Geant4 中模拟的中子产额进行了比较。包含大亚湾测量的全局拟合给出中子产额对缪子能量依赖的幂律系数为 。
引用
@article{arxiv.1711.00588,
title = {Cosmogenic neutron production at Daya Bay},
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journal= {arXiv preprint arXiv:1711.00588},
year = {2018}
}
备注
13 pages, 13 figures