衰变暗物质的调谐形成模型的反氘核极限
Antideuteron Limits on Decaying Dark Matter with a Tuned Formation Model
摘要：
我们以三线性R宇称破坏（RPV）算符的超对称模型中的引力子为例，研究了衰变暗物质中反氘核的产生。用于反氘形成的模型所示，诱导大的不确定性，在预测的通量，宇宙射线传播模型的不确定性。我们通过调整蒙特卡罗模拟中的强子化和合并参数来改进形成模型，以更好地再现与反氘产生相关的强子谱。根据目前的界限通量和未来的前景，从AMS-II和GAPS实验，我们设置限制RPV耦合作为引力子质量的函数。
英文摘要：
We investigate the production of antideuterons from decaying dark matter, using gravitinos in supersymmetric models with trilinear R-parity violating (RPV) operators as an example. The model used for antideuteron formation is shown to induce large uncertainties in the predicted flux, comparable to uncertainties from cosmic-ray propagation models. We improve on the formation model by tuning hadronization and coalesence parameters in Monte Carlo simulations to better reproduce the hadron spectra relevant for antideuteron production. In light of current bounds on fluxes and future prospects from the AMS-II and GAPS experiments we set limits on RPV couplings as a function of the gravitino mass.
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