核子与冷暗物质粒子的光子门散射
Scattering of nucleons on cold-dark-matter particles through photonic portal
摘要：
在最近提出的隐扇区模型中，质子和中子在冷暗物质粒子上的散射是不同的。首先，我们简要地总结了我们的模型的基础上的“光子门户”之间的隐藏和标准模型的宇宙部门的机制。然后，我们计算在一个基本的方式的微分散射截面的质子和中子的不育狄拉克费米子（“sterinos”）扮演的角色的冷暗物质粒子。它们通过光子入口以一种有点复杂但很自然的方式与核子相互作用。由于这个入口，质子的微分截面显示出类似库仑的前向奇点。
英文摘要：
In the model of hidden sector proposed recently, protons and neutrons scatter differently on cold-dark-matter particles. First, we summarize briefly our model based on a mechanism of "photonic portal" between hidden and Standard-Model sectors of the Universe. Then, we calculate in an elementary way the differential cross-sections for scattering of protons and neutrons on sterile Dirac fermions ("sterinos") playing the role of cold-dark-matter particles. They interact with nucleons through the photonic portal in a somewhat involved but natural manner. Due to this portal, the differential cross-section for protons displays a Coulomb-like forward singularity.
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