超对称类暗物质的新选择
New Options for SUSY-kind Dark Matter
摘要：
在传统的宇宙学中，稳定的超对称遗迹（暗物质（DM）粒子的候选者）的质量通常应该低于1 TeV。这与LHC对低能超对称性的限制相冲突。然而，在$R^2$ -引力中，具有典型超对称相互作用强度的稳定粒子的质量可能会高得多，这取决于标量子的主导衰变模式。我们讨论的DM粒子的质量上的界限，为以下主要的衰变模式：最低限度地耦合无质量标量，大规模的费米子，规范玻色子。
英文摘要：
In the conventional cosmology masses of the stable supersymmetric relics, candidates for the dark matter (DM) particles, should be typically below 1 TeV. This is in conflict with the LHC bounds on the low energy SUSY. However, in $R^2$-gravity the masses of the stable particles with the interaction strength typical for SUSY could be much higher depending upon the dominant decay mode of the scalaron. We discuss the bounds on the masses of DM particles for the following dominant decay modes: to minimally coupled massless scalars, to massive fermions, and to gauge bosons.
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