J. R. Thompson, A. V. Silhanek, L. Civale, K. J. Song, C. V. Tomy, and D. McK. Paul Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6061 Department of Physics, University of Tennessee, Knoxville, Tennessee 37996-1200 Comisión Nacional de Energı́a Atómica-Centro Atómico Bariloche and Instituto Balseiro, 8400 Bariloche, Argentina Department of Physics, I.I.T. Powai, Mumbai, 400076, India...