publication . Preprint . Article . Other literature type . 2016

Searching for an oscillating massive scalar field as a dark matter candidate using atomic hyperfine frequency comparisons

Hees, A.; Guéna, J.; Abgrall, Michel; Bize, S.; Wolf, P.;
Open Access English
  • Published: 05 Aug 2016
  • Country: France
We use six years of accurate hyperfine frequency comparison data of the dual rubidium and caesium cold atom fountain FO2 at LNE-SYRTE to search for a massive scalar dark matter candidate. Such a scalar field can induce harmonic variations of the fine structure constant, of the mass of fermions and of the quantum chromodynamic mass scale, which will directly impact the rubidium/caesium hyperfine transition frequency ratio. We find no signal consistent with a scalar dark matter candidate but provide improved constraints on the coupling of the putative scalar field to standard matter. Our limits are complementary to previous results that were only sensitive to the ...
arXiv: Physics::Atomic Physics
free text keywords: General Relativity and Quantum Cosmology, High Energy Physics - Phenomenology, Physics - Atomic Physics, [PHYS]Physics [physics], Quantum electrodynamics, Fine-structure constant, Rubidium, chemistry.chemical_element, chemistry, Scalar (physics), Physics, Hyperfine structure, Fermion, Scalar field, Atomic physics, Scalar field dark matter, Quantum mechanics, Dark matter
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