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Resonantly Enhanced Axion-Photon Regeneration | | P. Sikivie
; D.B. Tanner
; Karl van Bibber
; | | Date: |
23 Jan 2007 | | Abstract: | We point out that photon regeneration-experiments that search for the axion, or axion-like particles, may be resonantly enhanced by employing matched Fabry-Perot optical cavities encompassing both the axion production and conversion magnetic field regions. Compared to a simple photon regeneration experiment, which uses the laser in a single-pass geometry, this technique can result in a gain in rate of order ${cal F}^2$, where ${cal F}$ is the finesse of the cavities. This gain could feasibly be $10^{(10-12)}$, corresponding to an improvement in sensitivity in the axion-photon coupling, $g_{agammagamma}$ , of order ${cal F}^{1/2} sim 10^{(2.5-3)}$, permitting a practical purely laboratory search to probe axion-photon couplings not previously excluded by stellar evolution limits, or solar axion searches. | | Source: | arXiv, hep-ph/0701198 | | Services: | Forum | Review | PDF | Favorites | |
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