Limits on a light leptophobic gauge boson

We consider the phenomenology of a naturally leptophobic Z-prime boson in the 1 to 10 GeV mass range. The Z-primeʹs couplings to leptons arise only via a radiatively-generated kinetic mixing with the Z and photon, and hence are suppressed. We map out the allowed regions of the mass-coupling plane and show that such a Z-prime that couples to quarks with electromagnetic strength is not excluded by the current data. We then discuss possible signatures at bottom and charm factories.