标题： 额外维中由强引力束缚的微观复合系统作为暗物质的候选者 显示英文标题

标题： Microscopic composite systems bound by strong gravity in extra dimensions as candidates for dark matter

摘要： 在Arkani-Hamed-Dimopoulos-Dvali（ADD）模型中，具有n个额外紧致化维度的情况下，引力势按1/r^{n+1}的方式变化，并在短距离处变得显著更强。 我们研究了由这种势结合的标准模型粒子形成小尺寸复合系统的可能性。 这样的束缚态，由夸克、中微子、轴子或其他粒子组成，表现出较小的截面与质量比，使其成为暗物质的可行候选者。 显示英文摘要

摘要： In the Arkani-Hamed-Dimopoulos-Dvali (ADD) model with n extra compactified dimensions, the gravitational potential scales as 1/r^{n+1} and becomes significantly stronger at short distances. We investigate the possibility of forming small-sized composite systems of Standard Model particles bound by this potential. Such bound states, composed of quarks, neutrinos, axions, or other particles, exhibit a small cross-section-to-mass ratio, making them viable candidates for dark matter.