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Type: Journal article
Title: Cryogenic resonant microwave cavity searches for hidden sector photons
Author: Parker, S.
Hartnett, J.
Povey, R.
Tobar, M.
Citation: Physical Review D: Particles, Fields, Gravitation and Cosmology, 2013; 88(11):1-5
Publisher: American Physical Soc
Issue Date: 2013
ISSN: 1550-7998
Statement of
Stephen R. Parker, John G. Hartnett, Rhys G. Povey, and Michael E. Tobar
Abstract: The hidden sector photon is a weakly interacting hypothetical particle with sub-eV mass that kinetically mixes with the photon. We describe a microwave frequency light shining through a wall experiment, where a cryogenic resonant microwave cavity is used to try and detect photons that have passed through an impenetrable barrier, a process only possible via mixing with hidden sector photons. For a hidden sector photon mass of 53  μeV, we limit the hidden photon kinetic mixing parameter χ<1.7×10−7, which is an order of magnitude lower than previous bounds derived from cavity experiments in the same mass range. In addition, we use the cryogenic detector cavity to place new limits on the kinetic mixing parameter for hidden sector photons as a form of cold dark matter.
Rights: © 2013 American Physical Society
DOI: 10.1103/PhysRevD.88.112004
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