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【Abstract】

We propose a novel idea to detect a dark photon in gravitational wave experiments. Our setups are capable of performing the whole process of dark photon production, its decay products, and new physics signal discovery. This “mini-LHC” is inspired by the recent idea of dark photon detection using laser light in light shining through the wall (LSW) experiments such as ALPS II. Taking the sub-frequency light emitted from the laser source as the new physics signal, we show that the sensitivity of our proposal is 2 orders of magnitude better than the original idea in the LSW studies.