TY - JOUR AU - Wahlin, E AU - Thompson, J AU - Dunn, G AU - Phaneuf, R AU - Gregory, D AU - Smith, A C2 - Physical Review Letters DA - 1991-01-01 LA - en M1 - 66 PB - Physical Review Letters PY - 1991 TI - Electron-impact excitation of Si3+ (3S to 3P) using a merged-beam electron-energy-loss technique ER -