\title{The Heavy Photon Search Experiment at Jefferson Lab}

\author{Omar Moreno\\Santa Cruz Institute for Particle Physics/University of California, Santa Cruz\\HPS Collaboration}

\date{January 9, 2015}

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\begin{abstract}
	The Heavy Photon Search (HPS) is a new experiment at Jefferson Lab that will search for 
	massive U(1) vector bosons (also known as heavy photons, dark photons, or $A'$)
	of mass 20--1000 MeV that couple to electric charge with relative coupling $\alpha'/\alpha$ of $10^{-5}$--$10^{-10}$.
	The HPS experiment is designed to produce heavy photons by electron scattering off a fixed target, and 
	detect decays to $e^+e^-$ pairs with two signatures (invariant mass resonance and displaced decay vertex).
	The detector is a compact, large-acceptance forward spectrometer 
	comprising a silicon microstrip tracker for momentum measurement and vertexing and an electromagnetic calorimeter for triggering on $e^+e^-$.
	This talk will give an overview of the HPS experiment and its current status after test, commissioning, and engineering runs.
\end{abstract}

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