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Abstract: In the model of hidden sector proposed recently, protons and neutrons scatterdifferently on cold-dark-matter particles. First, we summarize briefly ourmodel based on a mechanism of -photonic portal- between hidden andStandard-Model sectors of the Universe. Then, we calculate in an elementary waythe differential cross-sections for scattering of protons and neutrons onsterile Dirac fermions -sterinos- playing the role of cold-dark-matterparticles. They interact with nucleons through the photonic portal in asomewhat involved but natural manner. Due to this portal, the differentialcross-section for protons displays a Coulomb-like forward singularity.



Autor: Wojciech Krolikowski Warsaw University

Fuente: https://arxiv.org/







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