ALPINIST：模拟和列表显示的多种相互作用中的类轴子粒子
ALPINIST: Axion-Like Particles In Numerous Interactions Simulated and Tabulated
摘要：
质子束流收集器实验是寻找光和弱相互作用态（如类轴子粒子（ALP））的最有前途的策略之一。然而，这些实验的解释是复杂的ALP模型和众多的不同的生产和衰变通道，可以诱导可观察到的信号的范围。在这里，我们提出了一种新的方法来解决这个问题，通过分离的计算约束和投影灵敏度模型无关和模型相关的部分。前者依赖于ALP产生和衰变的广泛的蒙特卡罗模拟，以及基于简化的检测器几何形状的检测效率的估计。一旦这些模拟已经执行并制成表格，后面的部分只需要简单的分析重新缩放，可以使用与这项工作一起发布的公共代码ALPINIST执行。我们通过考虑几个耦合到标准模型规范玻色子的ALP模型来说明这种方法。对于耦合到胶子的ALP的情况下，我们表明，质子束流收集实验的灵敏度可以显着扩展考虑强子ALP衰变到三体末态。
英文摘要：
Proton beam dump experiments are among the most promising strategies to search for light and feebly interacting states such as axion-like particles (ALPs). The interpretation of these experiments is however complicated by the wide range of ALP models and the multitude of different production and decay channels that can induce observable signals. Here we propose a new approach to this problem by separating the calculation of constraints and projected sensitivities into model-independent and model-dependent parts. The former rely on extensive Monte Carlo simulations of ALP production and decays, as well as estimates of the detection efficiencies based on simplified detector geometries. Once these simulations have been performed and tabulated, the latter parts only require simple analytical rescalings that can be performed using the public code ALPINIST released together with this work. We illustrate this approach by considering several ALP models with couplings to Standard Model gauge bosons. For the case of ALPs coupled to gluons we show that the sensitivity of proton beam dump experiments can be extended significantly by considering hadronic ALP decays into three-body final states.
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