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

We construct a basis for effective operators responsible for interactions between the Standard Model and a dark sector composed of particles with spin less or equal to 1. Redundant operators are eliminated using dim-4 equations of motion. We consider simple scenarios where the dark matter components...

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Published in:arXiv.org 2014-12
Main Authors: Duch, Mateusz, Grzadkowski, Bohdan, Wudka, Jose
Format: Article
Language:English
Subjects:
Dark matter
Equations of motion
Operators
Particle spin
Standard model (particle physics)
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Grzadkowski, Bohdan
Wudka, Jose
description We construct a basis for effective operators responsible for interactions between the Standard Model and a dark sector composed of particles with spin less or equal to 1. Redundant operators are eliminated using dim-4 equations of motion. We consider simple scenarios where the dark matter components are stabilized against decay by Z2 symmetries. We determine operators which are loop-generated within an underlying theory and those that are potentially tree-level generated.
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subjects Dark matter
Equations of motion
Operators
Particle spin
Standard model (particle physics)
title Classification of effective operators for interactions between the Standard Model and dark matter
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