中微子束中的轻暗物质：在MiniBooNE、T2K和SHiP的产生模拟和散射特征
Light dark matter in neutrino beams: production modelling and scattering signatures at MiniBooNE, T2K and SHiP
摘要：
分析了MiniBooNE、T2 K、SHiP、DUNE等中微子实验中产生的亚GeV轻暗物质的探测前景，提出了一个改进的产生模型，当暗物质通过暗光子或重子矢量介质耦合到强子态时，引入暗矢量的韧致辐射。除了弹性散射，我们还研究签名的光暗物质经历深非弹性或准弹性NC $π^0$ -类散射的检测器产生中性π介子，这对于某些实验可能提供最佳的灵敏度。一个广泛的附录提供了一个公开可用的模拟工具{ \tt BdNMC}的文档，可以应用于确定隐藏的部门暗物质的生产和散射率在一系列质子固定目标实验。
英文摘要：
We analyze the prospects for detection of light sub-GeV dark matter produced in experiments designed to study the properties of neutrinos, such as MiniBooNE, T2K, SHiP, DUNE etc. We present an improved production model, when dark matter couples to hadronic states via a dark photon or baryonic vector mediator, incorporating bremsstrahlung of the dark vector. In addition to elastic scattering, we also study signatures of light dark matter undergoing deep inelastic or quasi-elastic NC$π^0$-like scattering in the detector producing neutral pions, which for certain experiments may provide the best sensitivity. An extensive appendix provides documentation for a publicly available simulation tool {\tt BdNMC} that can be applied to determine the hidden sector dark matter production and scattering rate at a range of proton fixed target experiments.
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