1 BNL-82046-2009-CP CZT Virtual Frisch-grid Detector: Principles and Applications Y. Cui, A. Bolotnikov, G. Camarda, A. Hossain, G. Yang and R.B. James Presented at the Fifth Annual IEEE Long Island Systems, Applications and Technology Conference Farmingdale, NY May 1, 2009 January 2009 Nonproliferation and National Security Department Brookhaven National Laboratory P.O. Box 5000 Upton, NY 11973-5000 www.bnl.gov Notice: This manuscript has been authored by employees of Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy. The publisher by accepting the manuscript for publication acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. This preprint is intended for publication in a journal or proceedings. Since changes may be made before publication, it may not be cited or reproduced without the author’s permission.