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The Relic [Ongoing] - Version: 0.01 ##TOP##

The Heavy Photon Search Group at SLAC is collaborating with physicists at Jefferson Lab, INFN, IN2P3, UNH and UCSC in an experiment aimed at discovering a hidden-sector photon (aka "dark" photon or "heavy" photon). Such a particle could have mass in the range 0.01 to 0.5 GeV, couple weakly to electrons, and decay to e + e - . It would be produced by electron bremstrahlung on a heavy target, and be identified as a narrow e + e - resonance. Weak couplings of this heavy photon to electrons account for its not yet having been discovered and, if weak enough, can give rise to separated vertices in its decay, providing a spectacular signature. Dark photons have become very topical because ongoing searches for SUSY WIMPs have so far been unsuccessful, leading to speculation that the dark matter may be light,

The Relic [Ongoing] - Version: 0.01



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