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A search was made for a new light gauge boson X which might be produced in π0 → γ+X decay from neutral pions generated by 450-GeV protons in the CERN SPS neutrino target. The X’s would penetrate the(More)
  • RadiationDetectorG, . Bassompierre, +11 authors D. Verkindt
  • 1998
The NOMAD experiment includes a transition radiation detector that provides a 10 3 pion rejection factor, for a 90% electron identi-cation eeciency. Such a rejection factor is required in the search(More)