[PRad] draft text of the A' proposal

[gasparan at jlab.org]

  Dear All,

 Bogdan shared the draft text of the A' search proposal with the PRad
 setup and positron beam.

 https://userweb.jlab.org/~bogdanw/DarkPhotonSearch.pdf

 Please take a look, and if you have an interest to participate in this
 proposal contact Bogdan.

 Thanks,
 Ashot