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A "Weyl" theory of dark matter
http://web.mit.edu/people/cabi/index.html by Hung Cheng of MIT, showing that if physics is locally conformal (independent of scale choice) then there is a vector particle he calls S which couples to a scalar particle like the hypothetical Higgs, or to a tensor particle like the hypothetical graviton, but not to any spinor particle such as electrons, quarks, neutrinos, etc, or to photons. So it is a candidate for dark matter. He says it might be detected at LHC through bremsstrahlung from the decay of a Higgs.
http://web.mit.edu/people/cabi/index.html by Hung Cheng of MIT, showing that if physics is locally conformal (independent of scale choice) then there is a vector particle he calls S which couples to a scalar particle like the hypothetical Higgs, or to a tensor particle like the hypothetical graviton, but not to any spinor particle such as electrons, quarks, neutrinos, etc, or to photons. So it is a candidate for dark matter. He says it might be detected at LHC through bremsstrahlung from the decay of a Higgs.
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