Our major research areas include space science, condensed matter physics, nuclear physics, medical imaging, and string theory.
Faculty may submit research here.
Submissions from 1992
Substorm aurorae and their connection to the inner magnetosphere, R. E. Lopez, C. I. Meng, and Harlan E. Spence
Gamma-Ray Emission from CYGNUS-X-1 - Emission Mechanisms and Implications for the Standard Model, A Owens and Mark L. McConnell
On the standing wave mode of giant pulsations, K. Takahashi, N. Sato, J. Warnecke, H. Luhr, Harlan E. Spence, and Y. Tonegawa
Thermionic Emission from Fullerenes, Gerhard Walder and Olof Echt
The gamma-ray burst of 3 May 1991 observed by COMPTEL on board GRO, C Winkler, K Bennett, H Bloemen, W Collmar, A Connors, R Diehl, J W. den Herder, W Hermsen, R M. Kippen, L Kuiper, G G. Lichti, J Lockwood, Mark L. McConnell, D Morris, James M. Ryan, V. Schonfelder, J G. Stacy, H Steinle, A W. Strong, B Swanenburg, B G. Taylor, M Varendorff, and C de Vries
Submissions from 1991
The Influence of Shells, Electron Thermodynamics, and Evaporation on the Abundance Spectra of Large Sodium Metal Clusters, S. Bjornholm, J. Borggreen, Olof Echt, Klavs Hansen, J. Pedersen, and H. D. Rasmussen
Electronic Shell Structure in Multiply Charged Silver Clusters, Otto Kandler, Kalliopi Athanassenas, Olof Echt, Dietmar Kreisle, Thomas Leisner, and Ekkehard Recknagel
Hot Tungsten Clusters: Competition between Atom Ejection and Thermionic Emission, Thomas Leisner, Kalliopi Athanassenas, Olof Echt, Otto Kandler, Dietmar Kreisle, and Ekkehard Recknagel
Thermionic Emission from Hot Tungsten Clusters, Thomas Leisner, Kalliopi Athanassenas, Otto Kandler, Dietmar Kreisle, Ekkehard Recknagel, and Olof Echt
DMSP F7 observations of a substorm field‐aligned current, R. E. Lopez, Harlan E. Spence, and C. Meng
Simultaneous observations of the westward electrojet and the cross-tail current sheet during substorms, R. E. Lopez, Harlan E. Spence, and C. Meng
ULF waves in the low‐latitude boundary layer and their relationship to magnetospheric pulsations: A multisatellite observation, K. Takahashi, D. G. Sibeck, P. T. Newell, and Harlan E. Spence
Submissions from 1990
Stability of Doubly Charged Transition-Metal Clusters, Kalliopi Athanassenas, Thomas Leisner, Otto Kandler, Olof Echt, Dietmar Kreisle, and Ekkehard Recknagel
Mean Field Quantization of Several Hundred Electrons in Sodium Metal Clusters, S. Bjornholm, J. Borggreen, Olof Echt, Klavs Hansen, J. Pedersen, and H. D. Rasmussen
Magic Numbers in Mass Spectra of Large van der Waals Clusters, Olof Echt, Otto Kandler, Thomas Leisner, Werner Miehle, and Ekkehard Recknagel
Variation of the plasma-sheet polytropic index along the midnight meridian in a finite-width magnetotail, Harlan E. Spence and M. G. Kivelson
Submissions from 1989
The Physics of Small Clusters: Recent Advances in the Theoretical and Experimental Approach, Wanda Andreoni and Olof Echt
A balloon-borne coded aperture telescope for low-energy gamma-ray astronomy, P. P. Dunphy, Mark L. McConnell, A Owens, E. L. Chupp, D J. Forrest, and Jonathan Googins
A Novel Method for Analysis of Delayed Decomposition by Time-of-Flight Mass Spectrometry, Thomas Leisner, Olof Echt, Otto Kandler, and Ekkehard Recknagel
Quantized Losses from Charged Nitrogen Clusters, Thomas Leisner, Olof Echt, Otto Kandler, Xue-Jian Yan, and Ekkehard Recknagel
Gamma-ray observations of Cygnus X-1 and Cygnus X-3 using a coded-aperture telescope, Mark L. McConnell, D J. Forrest, A Owens, P. P. Dunphy, W T. Vestrand, and E. L. Chupp
Magic Numbers of Large Rare Gas Clusters, Werner Miehle, Olof Echt, Otto Kandler, Thomas Leisner, and Ekkehard Recknagel
On the large-scale distribution of magnetospheric currents and thermal plasma: Results from magnetic field models and observations, Harlan E. Spence
Magnetospheric plasma pressures in the midnight meridian: Observations from 2.5 to 35 RE, Harlan E. Spence, M. G. Kivelson, R. J. Walker, and D. J. McComas
Submissions from 1988
Production and Stability of Multiply Charged Clusters, Olof Echt
Van der Waals Clusters: Metastable Decay, Coulomb Explosion, and Electron Attachment, Olof Echt
Dissociation Channels of Multiply Charged van der Waals Clusters, Olof Echt, Dietmar Kreisle, Ekkehard Recknagel, J. J. Saenz, R. Casero, and J. M. Soler
Carbon Monoxide Clusters: Critical Size and Magic Numbers, Otto Kandler, Thomas Leisner, Olof Echt, and Ekkehard Recknagel
On the possibility of quasi-static convection in the quiet magnetotail, Margaret G. Kivelson and Harlan E. Spence
Quantum Effects in the Decomposition of Nitrogen Clusters, Thomas Leisner, Olof Echt, Otto Kandler, Xue-Jian Yan, and Ekkehard Recknagel
Comparison of field-aligned currents at ionospheric and magnetospheric altitudes, Harlan E. Spence, M. G. Kivelson, and R. J. Walker
Submissions from 1987
Experiments on Clusters, Olof Echt
Multiply Charged Clusters, Olof Echt
Krypton Dimers: Resonance-Enhanced MPI via Gerade States in the Region of Atomic 4p55p Configurations, Olof Echt, C. Cook, and A. W. Castleman Jr.
Multiphoton Ionization Studies of Xenon Clusters, Olof Echt, C. Cook, and A. W. Castleman Jr.
Electron Attachment to Clusters, Olof Echt, Martin Knapp, C. Schwarz, and Ekkehard Recknagel
Electron Attachment to van der Waals Clusters, in Physics and Chemistry of Small Clusters, Martin Knapp, Olof Echt, Dietmar Kreisle, Tilmann D. Mark, and Ekkehard Recknagel
Electron Attachment to Water Clusters under Collision-Free Conditions, Martin Knapp, Olof Echt, Dietmar Kreisle, and Ekkehard Recknagel
Dissociation Channels of van-der-Waals Cluster Ions, Thomas Leisner, Olof Echt, Otto Kandler, Dietmar Kreisle, and Ekkehard Recknagel
Metastable Dissociation of Doubly Charged CO2 Cluster Ions, K. Leiter, Dietmar Kreisle, Olof Echt, and Tilmann D. Mark
Gamma-ray observations of the Crab Region using a coded-aperture telescope, Mark L. McConnell, P. P. Dunphy, D J. Forrest, E. L. Chupp, and A Owens
Electric-field-gradient tensor orientation for As and Ge atoms in α-gallium, M. Menningen, H. Haas, Olof Echt, E. A. Ivanov, Ekkehard Recknagel, and H. Rinneberg
Static magnetic field models consistent with nearly isotropic plasma pressure, Harlan E. Spence, Margaret G. Kivelson, and Raymond J. Walker
Submissions from 1986
Formation and Decay of Negatively and Positively Charged Clusters, Olof Echt
Formation of Long-Lived CO2-, N2O-, and their Dimer Anions, by Electron Attachment to van der Waals Clusters, Martin Knapp, Olof Echt, Tilmann D. Mark, and Ekkehard Recknagel
Dissociation of Cluster Ions, Dietmar Kreisle, Olof Echt, Martin Knapp, and Ekkehard Recknagel
Time-Dependent Size Distribution of Xenon-Cluster Ions, Dietmar Kreisle, Olof Echt, Martin Knapp, and Ekkehard Recknagel
Dissociation Channels for Multiply Charged Clusters, Dietmar Kreisle, Olof Echt, Martin Knapp, Ekkehard Recknagel, K. Leiter, Tilmann D. Mark, J. J. Saenz, and J. M. Soler
Decomposition channels for multiply charged ammonia clusters, Dietmar Kreisle, K. Leiter, Olof Echt, and Tilmann D. Mark
Dissociation Channels of Multiply Charged Cluster Ions, Dietmar Kreisle, K. Leiter, Olof Echt, and Tilmann D. Mark
The average magnetic field draping and consistent plasma properties of the Venus magnetotail, David J. McComas, Harlan E. Spence, C. T. Russell, and M. A. Saunders
Submissions from 1985
Studies of the Dynamics and Properties of Clusters, A. W. Castleman Jr., P. Di Dao, Olof Echt, S. Morgan, J. J. Breen, K. Kilgore, and R. G. Keesee
Unimolecular Dissociation of Cluster Ions Following Multiphoton Ionization and Subsequent Proton Transfer Reaction, A. W. Castleman Jr., Olof Echt, S. Morgan, P. Di Dao, and R. J. Stanley
Comment on "The Observability of Multiply Charged (Metal) Clusters", Olof Echt
Multiphoton Ionization of Ammonia Clusters and the Dissociation Dynamics of Protonated Cluster Ions, Olof Echt, P. Di Dao, S. Morgan, and A. W. Castleman Jr.
Multiphoton Ionization of (NH3)n and Unimolecular Dissociation of Ammonia Cluster Ions, Olof Echt, P. Di Dao, S. Morgan, and A. W. Castleman Jr.
Electron Attachment to Neutral Clusters, Martin Knapp, Olof Echt, Dietmar Kreisle, K. Sattler, and Ekkehard Recknagel
Size Distributions of Negatively and Positively Charged Clusters: CO2 and N2O, Martin Knapp, Dietmar Kreisle, Olof Echt, K. Sattler, and Ekkehard Recknagel
Dissociation of Xenon Cluster Ions, Dietmar Kreisle, Olof Echt, Martin Knapp, and Ekkehard Recknagel
Evolution of Magic Numbers in Mass Spectra of Clusters after Ionization, Dietmar Kreisle, Olof Echt, Martin Knapp, and Ekkehard Recknagel
Simulation studies of ionospheric airglow signatures of plasma depletions at the equator, Michael Mendillo, Harlan E. Spence, and S. T. Zalesak
Submissions from 1984
Evolution of Magic Numbers in Mass Spectra of Water Clusters, Olof Echt, Dietmar Kreisle, Martin Knapp, and Ekkehard Recknagel
Multiphoton Ionization of Ammonia Clusters with a Tunable Laser, Olof Echt, S. Morgan, P. Di Dao, R. J. Stanley, and A. W. Castleman Jr.
The Effect of Ionization on Magic Numbers of Rare-Gas Clusters, J. M. Soler, J. J. Saenz, N. Garcia, and Olof Echt
Submissions from 1983
Mass Spectrometric Size Analysis of N2O Clusters, Olof Echt, Martin Knapp, K. Sattler, and Ekkehard Recknagel
A directional gamma-ray telescope using coded aperture techniques, Mark L. McConnell, P. P. Dunphy, D J. Forrest, and E. L. Chupp
Coulomb Explosion of Multiply Charged Microclusters, K. Sattler, Olof Echt, A. Reyes-Flotte, J. Muhlback, Martin Knapp, P. Pjau, R. Pflaum, P. Hofer, Dietmar Kreisle, and Ekkehard Recknagel
Resonance-Enhanced Multiphoton Ionization (2+1) of the B and C' States of Ammonia, R. J. Stanley, Olof Echt, and A. W. Castleman Jr.
Multiphoton Ionization of Ammonia and its Clusters, R. J. Stanley, Olof Echt, A. W. Castleman Jr., and P. Di Dao
Submissions from 1982
Magic Numbers in Mass Spectra of Xe, C2F4Cl2 and SF6 Clusters, Olof Echt, A. Reyes Flotte, Martin Knapp, K. Sattler, and Ekkehard Recknagel
Critical Sizes for Stable Multiply Charged CO2 Clusters, Olof Echt, K. Sattler, and Ekkehard Recknagel
Dimerization of Zn-Vapor in a Supersonic Carrier Gas, A. Reyes Flotte, Olof Echt, K. Sattler, and Ekkehard Recknagel
A Coded Aperture Gamma Ray Telescope, Mark L. McConnell, D J. Forrest, E. L. Chupp, and P. P. Dunphy
Microcluster Growth: Transition from Successive Monomer Addition to Coagulation, J. M. Soler, N. Garcia, Olof Echt, K. Sattler, and Ekkehard Recknagel
Submissions from 1981
Geometrical Structure of Lattice Defect - Impurity Configurations Determined by TDPAC, M. Deicher, Olof Echt, Ekkehard Recknagel, and Th. Wichert
Impurity Cluster Interaction in fcc Metals Studied by PAC, M. Deicher, Olof Echt, Ekkehard Recknagel, and Th. Wichert
Besitzen Edelgascluster ikosaedrische Struktur?, Olof Echt, Ekkehard Recknagel, and K. Sattler
Cluster Beams of Xe, CO2 and SF6, Olof Echt, Ekkehard Recknagel, and K. Sattler
Observation of Magic Numbers for Xenon Microclusters, Olof Echt, Ekkehard Recknagel, and K. Sattler
Magic Numbers for Sphere Packings: Experimental Verification in Free Xenon Clusters, Olof Echt, K. Sattler, and Ekkehard Recknagel
Evidence for Coulomb Explosion of Doubly Charged Microclusters, K. Sattler, J. Muhlback, Olof Echt, P. Pfau, and Ekkehard Recknagel
Submissions from 1979
Application of µSR to Radiation Damage in Metals, Olof Echt, H. Graf, E. Holzschuh, Ekkehard Recknagel, A. Weidinger, and Th. Wichert
Submissions from 1978
µSR Study of Proton-Irradiated Aluminum and Copper at Low Temperatures, Olof Echt, H. Graf, E. Holzschuh, Ekkehard Recknagel, A. Weidinger, and Th. Wichert
Temperature Dependence of the Electric Field Gradient in Radiation Damaged Copper, Olof Echt, Ekkehard Recknagel, G. Schatz, A. Weidinger, and Th. Wichert
Impurity-Defect Configurations in Ion-Irradiated Copper Studied by the DPAC Technique with 111In, Olof Echt, Ekkehard Recknagel, A. Weidinger, and Th. Wichert
Point Defect Trapping at 111In in Copper after Ion Implantation, Olof Echt, Ekkehard Recknagel, A. Weidinger, and Th. Wichert
µSR in Ferromagnetic and Antiferromagnetic Dysprosium, W. Hofmann, W. Kundig, P. F. Meier, B. D. Patterson, K. Ruegg, Olof Echt, H. Graf, Ekkehard Recknagel, A. Weidinger, and Th. Wichert
Perturbed Angular Distribution of 67Zn in Antiferromagnetic NiO, H. Rinneberg, M. Menningen, H. Haas, and Olof Echt
Systematically weak temperature dependence of electric field gradients in distorted cubic metals, A. Weidinger, Olof Echt, Ekkehard Recknagel, G. Shatz, and Th. Wichert
Defect Annealing in Copper around Stage III, Th. Wichert, M. Deicher, Olof Echt, and Ekkehard Recknagel
Submissions from 1977
Muon Spin Rotation (µSR) in Dysprosium, H. Graf, Olof Echt, Ekkehard Recknagel, A. Weidinger, Th. Wichert, W. Kundig, P. F. Meier, and B. D. Patterson
Temperature Dependence of the Electric Quadrupole Interaction of 120Sb and 115Te in Sn, E. A. Ivanov, S. Vajda, A. Lordachescu, D. Plostinaru, and Olof Echt
Submissions from 1976
Investigation of Radiation-Induced Lattice Defects in Cubic Palladium Using DPAD Methods, H. Bertschat, Olof Echt, H. Haas, E. A. Ivanov, F. Pleiter, Ekkehard Recknagel, E. Schlodder, and B. Spellmeyer
Quadrupole Moments of High Spin Isomeric States in Sn Isotopes, H. Bertschat, Olof Echt, H. Haas, E. A. Ivanov, Ekkehard Recknagel, E. Schlodder, B. Spellmeyer, M. Ionescu-Bujor, A. Iordachescu, G. Pascovici, D. Plostenaru, and S. Vajda
Quadrupole Interaction of the 9/2+ States of 71As and 73As in Orthorhombic Gallium Metal, Olof Echt, H. Haas, E. A. Ivanov, W. Leitz, Ekkehard Recknagel, W. Semmler, and E. Schlodder
Knight Shift of Germanium in Gallium, Olof Echt, H. Haas, E. A. Ivanov, Ekkehard Recknagel, E. Schlodder, and B. Spellmeyer
Temperature Dependence of the Quadrupole Interaction of Tin in Cadmium, Olof Echt, H. Haas, E. A. Ivanov, Ekkehard Recknagel, E. Schlodder, and B. Spellmeyer
Quadrupole Interaction of 107Cd 11/2 - in Cadmium Metal, Olof Echt, H. Haas, E. A. Ivanov, E. Schlodder, and B. Spellmeyer
Spin, Lifetime and Magnetic Moment of a New Isomeric State in120Sb, A. Iordachescu, E. A. Ivanov, D. Plostinaru, Olof Echt, G. Pascovici, S. Vajda, B. Constantinescu, and P. Racoltea
Submissions from 1975
Temperature Dependence of the Spin Rotation Amplitude for 71As and 76As in Germanium Metal, H. Bertschat, Olof Echt, H. Haas, F. Pleiter, Ekkehard Recknagel, E. Schlodder, and B. Spellmeyer