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Simplest and Most Predictive Model of Muon <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>g</mml:mi><mml:mo>−</mml:mo><mml:mn>2</mml:mn></mml:math> and Thermal Dark Matter
The long-standing 4.2σ muon g-2 anomaly may be the result of a new particle species which could also couple to dark matter and mediate its annihilations in the early Universe. In models where both muons and dark matter carry equal charges under a U(1)_{L_{μ}-L_{τ}} gauge symmetry, the corresponding Z^{'} can …