TABLE OF CONTENTS Personnel vii Publications and Reports xv Introduction xix GENERAL PHYSICS I. II. Molecular Beams I Stimulated Desorption by Low-Energy Electrons 2 Superfluid Helium Critical Velocity Model 5 Detection of Quantized Vortex Lines in Superfluid Helium at a Known Pinning Site 6 Survival of Frog Skin Exposed to Vacuum 11 Design of an Achromatic Combined Electron Mirror and Accelerating Lens 17 Microwave Spectroscopy 21 Work Completed 22 Low-Temperature Behavior of Radio-Frequency Surface Impedance in Metals Work in Progress 23 Propagating Waves on a High Dielectric Slab III. IV. V. 22 Atomic Resonance and Scattering 23 29 Van der Waals Molecules 30 Magnetic Moment of the Deuteron 32 Diamagnetic Shielding of H 2 35 Interactions in the Excited State 38 Radio Astronomy 39 Radio Observations of Scorpius X-1 41 Continuum Radio Structure of the Galactic Disk 47 M. I. T. 50 Three-Element Interferometer 21-Centimeter VLBI Observations of Pulsars 51 New H20 Sources Associated with Infrared Stars 53 Observations of High-J Atmospheric 0 Arecibo Observatory 59 2 Lines at Low-Temperature Millimeter Wave Receivers QPR No. 108 61 CONTENTS VI. Cooperative Phenomena in Solids and Fluids 63 VII. Gravitation Research 65 67 Measurement of Intrinsic Laser Phase Noise VIII. Nuclear Resonance 73 IX. Physical Electronics and Surface Physics 75 Experimental Measurements of the Spatial Distribution of H2 Desorbed from Copper Single Crystals X. XI. 83 Physical Acoustics Upstream and Downstream Sound Radiation into a Moving Fluid 83 Sound Absorption by a Single Resonator in a Duct 90 95 Electrodynamics of Media Experiments on a Room-Temperature TEA CO Laser Preliminary Investigation of a "Superradiant" Argon Line in a TEA Laser XII. 77 Neutral 97 99 Laser Applications Laser Molecular-Beam Techniques Spectroscopy Molecular-Beam 96 for High-Resolution 101 104 Stabilized Argon Laser Two-Dimensional Laser Doppler Velocimeter 108 Multiple-Frequency Holography Using Pulsed Ion Lasers 113 Coherence Properties of a Flash-Lamp-Pumped Amplifier Dye 116 PLASMA DYNAMICS XIII. Plasmas and Controlled Nuclear Fusion 121 Waves and Radiation 121 Diffusion and Turbulence 122 Plasma Diagnostics 123 Fusion-Related Studies 124 Feedback Stabilization 125 High-Temperature Plasma Physics 126 QPR No. 108 CONTENTS XIV. XV. XVI. Gaseous Electronics 127 Stimulated Ultraviolet Emission from a Plasma 128 Production of Plasma by Laser Breakdown 144 Relativistic Beams 151 Applied Plasma Research 153 Active Plasma Systems 153 Observations of Nonlinear Interactions in a Beam-Plasma System 154 Analytic Studies of Nonlinear Plasma Problems by Symbolic Manipulation Programs on a Computer 167 Plasma Physics and Engineering 186 Plasma Effects in Solids 188 Surface Mobility on Silicon from Acoustoelectric Current Measurements Laser -Plasma Interactions 195 Optical Frequency Mixing in a Plasma 195 Plasma Dispersion Function: Application to Dip COMMUNICATION XVII. XVIII. Lamb 208 SCIENCES AND ENGINEERING Processing and Transmission of Information 217 A Near-Optimum Receiver for the Binary Coherent State Quantum Channel 219 Statistically Dependent Quantum Systems: Einstein, Podolsky, and Rosen 225 The Paradox of Detection and Estimation Theory 231 An Integrated Approach to the Estimation of the Dynamics of a Moving Source by a Passive Observer XIX. 188 Speech Communication 232 245 Further Theoretical and Experimental Bases for Quantal Places of Articulation for Consonants 247 Durational Characteristics of Prestressed Consonant Clusters in English 253 Word-Initial Speaker Recognition and Verification Using Linear Prediction Analysis QPR No. 108 261 CONTENTS XX. Linguistics A Revised Directional Theory of Rule Application in Phonology Clause Structure and the Perceptual Analysis of Sentences Formal Properties of Lexical Derivations Nonglobal Rules in Klamath Phonology 269 270 277 280 288 XXI. Cognitive Information Processing 311 XXII. Communications Biophysics Cochlear Potential Response at the Round-Window Membrane of the Cat Neural Responses of Lateral-Line Organs in Necturus Maculosis to Direct Mechanical Stimulation An Optimum Processor Theory for the Central Formation of the Pitch of Complex Tones 317 XXIII. Neurophysiology 345 XXIV. Signal Processing Localization of Sound in Space in the Vertical Median Plane 347 Simulation of Auditory Signals for Localization Author Index QPR No. 108 323 332 338 349 352 353