Hidden sector photon coupling of resonant cavities

Stephen Parker, G. Rybka, Michael Tobar

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Many beyond the standard model theories introduce light paraphotons, a hypothetical spin-1 field that kinetically mixes with photons. Microwave cavity experiments have traditionally searched for paraphotons via transmission of power from an actively driven cavity to a passive receiver cavity, with the two cavities separated by a barrier that is impenetrable to photons. We extend this measurement technique to account for two-way coupling between the cavities and show that the presence of a paraphoton field can alter the resonant frequencies of the coupled cavity pair. We propose an experiment that exploits this effect and uses measurements of a cavity's resonant frequency to constrain the paraphoton-photon mixing parameter χ. We show that such an experiment can improve the sensitivity to χ over existing experiments for paraphoton masses less than the resonant frequency of the cavity, and that it can eliminate some of the most common systematics for resonant cavity experiments. © 2013 American Physical Society.
Original languageEnglish
Pages (from-to)6pp
JournalPhysical Review D
Volume87
Issue number11
DOIs
Publication statusPublished - 2013

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