Classification of effective operators for interactions between the\n Standard Model and dark matter

2014/12/01 by Mateusz Duch, Duch, Mateusz, Bohdan Grza̧dkowski +3 · 4 citations
Physics and Astronomy · Earth and Planetary Sciences · #Cosmology and Gravitation Theories #Geophysics and Gravity Measurements #Dark Matter and Cosmic Phenomena

paper · pdf · doi:10.48550/arxiv.1412.0520

Abstract

We construct a basis for effective operators responsible for interactions\nbetween the Standard Model and a dark sector composed of particles with spin\nless or equal to 1. Redundant operators are eliminated using dim-4 equations of\nmotion. We consider simple scenarios where the dark matter components are\nstabilized against decay by Z2 symmetries. We determine operators which are\nloop-generated within an underlying theory and those that are potentially\ntree-level generated.\n

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