A' Experiment (APEX): PR-10-009, E12-10-009

Spokespeople: Rouven Essig (Stony Brook University),   Philip Schuster (SLAC),   Natalia Toro (Perimeter Institute),   Bogdan Wojtsekhowski (JLab, contact)
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Summary

The A' Experiment (APEX) will search for a new vector boson A' with very weak coupling to electrons in the mass range from 65 MeV to 550 MeV. New vector bosons with such small couplings arise naturally from a small kinetic mixing of the "dark photon" A' with the photon -- one of the very few ways in which new forces can couple to the Standard Model -- and have received considerable attention as an explanation of various dark matter related anomalies. A' bosons are produced by radiation off an electron beam, and could appear as narrow resonances with small production cross-section in the QED e+e- spectrum.

Proposals and Review

APEX Test Run Result, Theses, and Selected Talks

Past Collaboration Meetings

Physics References

Operations (From Test Run)