期刊
PHYSICAL REVIEW D
卷 88, 期 11, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.88.112004
关键词
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资金
- Australian Research Council [DP1092690, DP130100205, FL0992016]
- Australian Research Council [DP1092690] Funding Source: Australian Research Council
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 mu eV, we limit the hidden photon kinetic mixing parameter chi < 1.7 x 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.
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