Polarized electron beams have been successfully used at Jefferson Lab for over a year. We new report the successful achievement of polarized targets for nuclear and particle physics experiments using the dynamic nuclear poolarization (DNP) technique. The technique involves initial irradiation of frozen ammonia crystals (N_3 and ND_3), using the electron beam from the new Free Electron laser (EL) facility at Jefferson Lab, and transferring the crystals to a special target holder for use in Experimental halls. By subjecting the still ionized and firozen ammonia crystals to a strong magnetic field and suitably tuned RF, the high electron polarization is transmitted to the nucleus thus achieving target polarization. Details of the irradiation facility, the target holder, irradiation times, ionized crystal shelf life, and achieved polarization are discussed.
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