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arXiv · 2403.02685

Limits on scalar dark matter interactions with particles other than the photon via loop corrections to the scalar-photon coupling

V. V. Flambaum·I. B. Samsonov
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Abstract

There is limited information about the interaction strength of a scalar dark matter candidate with hadrons and leptons for a scalar particle mass exceeding $10^{-3}$ eV while its interaction with photon is well studied. The scalar-photon coupling constant receives quantum corrections from one-loop Feynman diagrams which involve the scalar-lepton, scalar-quark, and scalar-W boson vertices. We calculate these one-loop quantum corrections and find new limits on the scalar particle interactions with electron, muon, tau, quarks, nucleons, gluons, Higgs, and W bosons by re-purposing the results of experiments measuring the scalar-photon interaction. Limits on interactions of heavy leptons and quarks have been obtained for the first time, and limits on other interactions in certain mass intervals are 2 to 15 orders of magnitude stronger than those presented in previous publications and exclude the resolution of the muon $g-2$ anomaly with scalar particle.

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V. V. Flambaum, I. B. Samsonov. 2024-10-26. Limits on scalar dark matter interactions with particles other than the photon via loop corrections to the scalar-photon coupling. https://doi.org/10.1103/physrevd.110.075044

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