Sudbury中性子观测仪对Nucleon不可见衰变模式的约束
高能物理 - 实验
2012-08-27 v2
摘要
来自Sudbury中性子观测仪的数据用于约束nucleon衰变至不可见模式(如n-->3nu)的寿命。分析基于搜索由O16中质子或中子消失导致残余核de-excitation的gamma射线。我们在90%置信水平下获得限制：tau_inv > 2 \times 10^{29}年。这比之前对不可见质子衰变模式的约束严格约一个数量级，比类似的中子模式严格约400倍。
引用
@article{arxiv.hep-ex/0310030,
title = {Constraints on Nucleon Decay via "Invisible" Modes from the Sudbury Neutrino Observatory},
author = {SNO Collaboration},
journal= {arXiv preprint arXiv:hep-ex/0310030},
year = {2012}
}
备注
Update includes missing efficiency factor (limits change by factor of 2) Submitted to Physical Review Letters