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Are photons capable of interacting with particles with no charge. And if not, is it possible that that's the reason dark matter has so far eluded detection: because it has no charge?
That is only part of the reason. Note that even uncharged particles can interact with photons if they do so indirectly. For example the Higgs boson can decay into two photons even though it is an uncharged elementary particle. See here.Are photons capable of interacting with particles with no charge. And if not, is it possible that that's the reason dark matter has so far eluded detection: because it has no charge?