[Jlab-seminars] Physics Seminar

[Luci Collins]

***Physics Seminar
Fri. June 10, 2011
11:00AM
CEBAF Center AUD.

Peter Fisher

**"DarkLight: Looking for Dark Matter at the JLab Free Electron Laser" *

The Dark Forces explanation of dark matter predicts a low mass (0.01-10 
GeV/c2) scalar or vector boson that kinetically mixes with the photon.  
DarkLight will look for evidence of the dark force by search for an 
electron positron resonance in ep->epee scattering.  The experiment 
makes use of the 1MW  free electron laser beam, a dense H2 target and a 
detector able to measure all three final state leptons and the recoiling 
proton, allowing full reconstruction of each event.

After briefly reviewing the theory, I will describe our experiment and 
several other experiments exploring other parts of the parameter space.
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