Our major research areas include space science, condensed matter physics, nuclear physics, medical imaging, and string theory.
Faculty may submit research here.
Submissions from 2001
MeV magnetosheath ions energized at the bow shock, S. Chang, J. D. Scudder, K. Kudela, Harlan E. Spence, J. F. Fennell, R. P. Lepping, R. P. Lin, and C. T. Russell
Direct observation of misfit dislocation glide on surfaces, J. de la Figuera, Karsten Pohl, O. R. de la Fuente, A. K. Schmid, N. C. Bartelt, C. B. Carter, and R. Q. Hwang
Determination of buried dislocation structures by scanning tunneling microscopy, J. de la Figuera, A. K. Schmid, N. C. Bartelt, Karsten Pohl, and R. Q. Hwang
Electron and Ion High Resolution Interaction Studies Using Sector Field Mass Spectrometry: Propane, a Case Study, T. Fiegele, V. Grill, S. Matt, M. Lezius, G. Hanel, Michael Probst, Paul Scheier, K. Becker, H. Deutsch, Olof Echt, Aleksandar Stamatovic, and Tilmann D. Mark
Charge exchange contribution to the decay of the ring current, measured by energetic neutral atoms (ENAs), A. M. Jorgensen, M. G. Henderson, E. C. Roelof, G. D. Reeves, and Harlan E. Spence
Binding energy of C-60(+) revisited - What is the problem? , S. Matt, Olof E. Echt, P. Scheier, and T. D. Mark
Electron Impact Ionization of Edge Plasma Constituents, S. Matt, T. Fiegele, G. Senn, Paul Scheier, K. Becker, H. Deutsch, Olof Echt, Aleksandar Stamatovic, and Tilmann D. Mark
Decay reactions of rare gas cluster ions: kinetic energy release distributions and binding energies, R. Parajuli, S. Matt, Olof E. Echt, A. Stamatovic, P. Scheier, and T. D. Mark
The Magnetospheric Mapping Mission, Harlan E. Spence
Submissions from 2000
Surface-induced dissociation of singly and multiply charged fullerene ions , F. Biasioli, T. Fiegele, C. Mair, Z. Herman, Olof E. Echt, F. Aumayr, H. P. Winter, and T. D. Mark
Absolute separation energies for Na clusters, J. Borggreen, K. Hansen, F. Chandezon, T. Dossing, M. Elhajal, and Olof E. Echt
Energetic magnetosheath ions connected to the Earth's bow shock: Possible source of cusp energetic ions, S. W. Chang, J. D. Scudder, J. F. Fennell, R. Friedel, R. P. Lepping, C. T. Russell, K. J. Trattner, S. A. Fuselier, W. K. Peterson, and Harlan E. Spence
Collisional Formation of Metallofullerenes, Rongping Deng, Rory MacCrimmon, and Olof Echt
Surface-Induced Reactions of Singly and Multiply Charged Parent and Fragment Ions of C60, Olof Echt, T. Fiegele, F. Biasioli, C. Mair, Z. Herman, Paul Scheier, and Tilmann D. Mark
Surface-Induced Reactions of Singly and Multiply Charged Parent and Fragment Ions of C60, T. Fiegele, F. Biasioli, C. Mair, Olof Echt, Z. Herman, Paul Scheier, Friedrich Aumayr, H. P. Winter, and Tilmann D. Mark
Surface-Induced Reactions of Cn+ , 52 < n < 60, T. Fiegele, Olof Echt, F. Biasioli, C. Mair, and Tilmann D. Mark
Polar CEPPAD/IPS energetic neutral atom (ENA) images of a substorm injection, M. G. Henderson, G. D. Reeves, A. M. Jorgensen, Harlan E. Spence, L. A. Frank, J. B. Sigwarth, J. F. Fennell, J. L. Roeder, J. B. Blake, K. Yumoto, and S. Bourdarie
Association of energetic neutral atom bursts and magnetospheric substorms, A. M. Jorgensen, L. Kepko, M. G. Henderson, Harlan E. Spence, G. D. Reeves, J. B. Sigwarth, and L. A. Frank
Kinetic energy release in electron-induced decay reactions of molecular ions: C3H8+ and C3H7+, S. Matt, Olof E. Echt, A. Stamatovic, and T. D. Mark
The C60 Binding Energy: The Finale of a Long Story, S. Matt, Olof Echt, C. Lifshitz, Paul Scheier, and Tilmann D. Mark
Kinetics and Energetics of Electron Impact Ionization of Molecules: Ionization Cross Section, Appearance Energies and Kinetic Energy Release, S. Matt, T. Fiegele, G. Hanel, D. Muigg, Stephan Denifl, K. Becker, H. Deutsch, Olof Echt, N. Mason, Aleksandar Stamatovic, Paul Scheier, and Tilmann D. Mark
Novel Decay Channels of Carbon Cluster Ions, C40z+ and C41z+ (z = 3, 4), Rajendra Parajuli, Paul Scheier, V. Grill, S. Matt, Olof Echt, and Tilmann D. Mark
Submissions from 1999
Magnetospheric constellation: Past, present and future, V. Angelopoulos and Harlan E. Spence
Evaporation Rates for Na Clusters, J. Borggreen, F. Chandezon, Olof Echt, H. Grimley, Klavs Hansen, P. M. Hansen, and C. Ristori
Cluster Ions Measured Using Mass Spectrometry, Olof Echt and Tilmann D. Mark
Dayside open field line region boundary at high altitudes, J. F. Fennell, J. L. Roeder, R. Friedel, M. Grande, and Harlan E. Spence
Cusp energetic particle events measured by POLAR spacecraft, T. A. Fritz, J. Chen, R. B. Sheldon, Harlan E. Spence, J. F. Fennell, S. Livi, C. T. Russell, and J. S. Pickett
Thermionic Emission and Fragmentation of C60 - Reply to Comment by Stampfli and Märk, Klavs Hansen and Olof Echt
Energetic neutral atom imaging with the Polar CEPPAD/IPS instrument: Initial forward modeling results, M. G. Henderson, G. D. Reeves, K. R. Moore, Harlan E. Spence, A. M. Jorgensen, J. F. Fennell, J. B. Blake, and E. C. Roelof
A study of omega bands and Ps6 pulsations on the ground, at low altitude and at geostationary orbit, A. M. Jorgensen, Harlan E. Spence, T. J. Hughes, and D. McDiarmid
Kinetic Energy Release Distributions and Evaporation Energies for Metastable Fullerene Ions, S. Matt, Olof Echt, M. Sonderegger, R. David, Paul Scheier, J. Laskin, C. Lifshitz, and Tilmann D. Mark
Kinetic Energy Release for Metastable Fullerene Ions, S. Matt, M. Sonderegger, R. David, Olof Echt, Paul Scheier, J. Laskin, C. Lifshitz, and Tilmann D. Mark
Constellation pathfinder: a university nanosatellite, C. D. Rayburn, Harlan E. Spence, H. E. Petschek, M. Bellino, J. Vickers, M. Murphy, N. Dennehy, D. Sargent, and M. Socha
Submissions from 1998
Coronal mass ejections, magnetic clouds, and relativistic magnetospheric electron events: ISTP, D. N. Baker, T. I. Pulkkinen, X. Li, S. G. Kanekal, J. B. Blake, R. S. Selesnick, M. G. Henderson, G. D. Reeves, Harlan E. Spence, and G. Rostoker
Cusp energetic ions: A bow shock source, S. W. Chang, J. D. Scudder, S. A. Fuselier, J. F. Fennell, K. J. Trattner, J. S. Pickett, Harlan E. Spence, J. D. Menietti, W. K. Peterson, R. P. Lepping, and R. Friedel
Cusp energetic particle events: Implications for a major acceleration region of the magnetosphere, J. Chen, T. A. Fritz, R. B. Sheldon, Harlan E. Spence, W. N. Spjeldvik, J. F. Fennell, S. Livi, C. T. Russell, J. S. Pickett, and D. A. Gurnett
Efficiency of Thermionic Emission from C60, Rongping Deng and Olof Echt
Observation of 40 keV Field-Aligned Ion Beams, J. F. Fennell, R. B. Sheldon, and Harlan E. Spence
Dissociation of Singly and Multiply Charged Fullerenes: Emission of C4, or Sequential Emission of C2?, M. Foltin, Olof Echt, B. Dunser, R. Worgotter, D. Muigg, S. Matt, and Tilmann D. Mark
Trapping of Low-Energy Electrons at Preexisting, Cold Water Clusters, Martin Knapp, Olof Echt, Dietmar Kreisle, and Ekkehard Recknagel
Mass Spectrometric Evidence for Icosahedral Structure of Large Rare Gas Clusters: Ar, Kr, Xe, Werner Miehle, Otto Kandler, Thomas Leisner, and Olof Echt
High Resolution Electron Ionization Study of CO, (CO)2, and (CO)3: Appearance Energies and Bond Dissociation Energies, D. Muigg, Stephan Denifl, Aleksandar Stamatovic, Olof Echt, and Tilmann D. Mark
AMPTE/CCE‐SCATHA simultaneous observations of substorm‐associated magnetic fluctuations, S. Ohtani, K. Takahashi, T. Higuchi, A. T. Y. Lui, Harlan E. Spence, and J. F. Fennell
The Kilo-Satellite Constellation Concept, H. E. Petschek, C. Rayburn, R. Sheldon, J. Vickers, M. Bellino, G. Bevis, and Harlan E. Spence
The global response of relativistic radiation belt electrons to the January 1997 magnetic cloud, G. D. Reeves, D. N. Baker, R. D. Belian, J. B. Blake, T. E. Cayton, J. F. Fennell, R. H.W. Friedel, M. M. Meier, R. S. Selesnick, and Harlan E. Spence
A new magnetic storm model, R. B. Sheldon and Harlan E. Spence
The discovery of trapped energetic electrons in the outer cusp, R. B. Sheldon; Harlan E. Spence; J. D. Sullivan; T. A, Fritz; and Jiasheng Chen
On the Physical Origin and Prediction of Killer Electron Storms, R. Sheldon, Harlan E. Spence, J. D. Sullivan, T. E. Fritz, and J. Chen
Implementation of the Boston University Space Physics Acquisition Center, Harlan E. Spence
Submissions from 1997
Recurrent geomagnetic storms and relativistic electron enhancements in the outer magnetosphere: ISTP coordinated measurements, D. N. Baker, X. Li, N. Turner, J. H. Allen, L. F. Bargatze, J. B. Blake, R. B. Sheldon, Harlan E. Spence, R. D. Belian, G. D. Reeves, S. G. Kanekal, and B. Klecker
ISTP: relativistic particle acceleration and global energy transport, D. N. Baker, Harlan E. Spence, and J. B. Blake
A new, temporarily confined population in the polar cap during the August 27, 1996 geomagnetic field distortion period, Jiasheng Chen, Theodore A. Fritz, Robert B. Sheldon, Harlan E. Spence, Walther N. Spjeldvik, Joseph F. Fennell, and Stefano Livi
Photoexcited C60: Fragmentation and Delayed Ionization, Rongping Deng, Geoffrey Littlefield, and Olof Echt
Sequential Reaction Channels of Metastable C604+, B. Dunser, Olof Echt, Paul Scheier, and Tilmann D. Mark
Tail lobe and open field line region entries at mid to high latitudes, J. F. Fennell, J. B. Blake, J. L. Roeder, R. Sheldon, and Harlan E. Spence
First polar and 1995-034 observations of the midaltitude cusp during a persistent northward IMF condition, M. Grande, J. Fennell, S. Livi, B. Kellett, C. Perry, P. Anderson, J. Roeder, Harlan E. Spence, T. Fritz, and B. Wilken
Thermionic Emission and Fragmentation of C60, Klavs Hansen and Olof Echt
First energetic neutral atom images from Polar, M. G. Henderson, G. D. Reeves, Harlan E. Spence, R. B. Sheldon, A. M. Jorgensen, J. B. Blake, and J. F. Fennell
On separating space and time variations of auroral precipitation: Dual DMSP-F6 and-F8 observations, A. M. Jorgensen and Harlan E. Spence
Global energetic neutral atom (ENA) measurements and their association with the Dst index, A. M. Jorgensen, Harlan E. Spence, M. G. Henderson, G. D. Reeves, M. Sugiura, and T. Kamei
Initial POLAR MFE observation of substorm signatures in the polar magnetosphere, H. Kawano, G. Le, C. T. Russell, G. Rostoker, T. Mukai, and Harlan E. Spence
Electron Impact Ionization and Dissociation of Neutral and Ionized Fullerenes, S. Matt, Olof Echt, T. Rauth, B. Dunser, M. Lezius, Aleksandar Stamatovic, Paul Scheier, and Tilmann D. Mark
Appearance and Ionization Energies of Multiply-Charged C70 Parent Ions Produced by Electron Impact Ionization, S. Matt, Olof Echt, R. Worgotter, V. Grill, Paul Scheier, C. Lifshitz, and Tilmann D. Mark
Relative Dissociation Energies of Singly and Doubly Charged Fullerene Ions, S. Matt, Olof Echt, R. Worgotter, Paul Scheier, C. E. Klots, and Tilmann D. Mark
Alfvén boundaries: noses and zippers, R. B. Sheldon and Harlan E. Spence
First observations by the CEPPAD Imaging Proton Spectrometer aboard POLAR, Harlan E. Spence and J. B. Blake
Towards inner magnetosphere particle and field models, Harlan E. Spence, A. M. Jorgensen, W. J. Hughes, J. F. Fennell, and J. L. Roeder
Submissions from 1996
Search for gamma-ray emission from the Lagrangian points of PSR 1957+20, R Buccheri, V. Salamone, K Bennett, M Busetta, L Kuiper, W Hermsen, Mark L. McConnell, R Much, James M. Ryan, H Steinle, and V. Schonfelder
COMPTEL observations of the Virgo region., W Collmar, K Bennett, H Bloemen, J J. Blom, W Hermsen, G G. Lichti, Mark L. McConnell, D Morris, V. Schonfelder, G Stacy, H Steinle, A W. Strong, and O R. Williams
Convergence of Cluster Properties towards Bulk Behavior: How Large is Large?, Olof Echt
First Direct Evidence for Sequential Metastable Decay of C60z+ - C58z+ + C2 - C56z+ + 2 C2 for z = 1, 2, 3, Olof Echt, B. Dunser, D. Muigg, S. Matt, Paul Scheier, and Tilmann D. Mark
CRRES observations of particle flux dropout events, J. Fennell, J. Roeder, Harlan E. Spence, H. Singer, A. Korth, M. Grande, and A. Vampola
Low altitude signatures of the plasma sheet: Model predictions of local time dependence, K. L. Hirsch, Harlan E. Spence, and T. G. Onsager
The preliminary cosmic diffuse γ-ray spectrum from 800 keV to 30 MeV measured with COMPTEL, S C. Kappadath, James M. Ryan, K Bennett, H Bloemen, D J. Forrest, W Hermsen, R M. Kippen, Mark L. McConnell, V. Schonfelder, R Van Dijk, M Varendorff, G Weidenspointer, and C Winkler
Gamma-Ray Observations of GRO J1655-40, R Kroeger, Mark Strickman, J E. Grove, Philip Kaaret, E. Ford, B A. Harmon, and Mark L. McConnell
Large-area sub-millimeter resolution CdZnTe strip detector for astronomy, John R. Macri, Boris A. Apotovsky, J F. Butler, M L. Cherry, Brian K. Dann, F P. Doty, T G. Guzik, Mark L. McConnell, and James M. Ryan
Development of an Orthogonal-Stripe CdZnTe Gamma Radiation Imaging Spectrometer, John R. Macri, Boris A. Apotovsky, J F. Butler, M L. Cherry, Brian K. Dann, A Drake, F P. Doty, T G. Guzik, K Larson, M Mayer, Mark L. McConnell, and James M. Ryan
A search for galactic black hole candidates at MeV energies - preliminary results., Mark L. McConnell, K Bennett, H Bloemen, W Collmar, W Hermsen, R Much, James M. Ryan, V. Schonfelder, H Steinle, and A W. Strong
Ground-based Gamma-Ray Burst Follow-up Efforts: Results of the First Two Years of the BATSE/COMPTEL/NMSU Rapid Response Network, B McNamara, T Harrison, James M. Ryan, R M. Kippen, Mark L. McConnell, John R. Macri, C Kouveliotou, Gerald J. Fishman, C Meegan, L O. Hanlon, K Bennett, T. A. Spoelstra, V. G. Metlov, N. V. Metlova, E. Feigelson, A. J. Beasley, D. M. Palmer, Scott Barthelmy, Dale E. Gary, E. T. Olsen, S. Levin, P. G. Wannier, M. A. Janssen, The MACHO Collaboration, J. Borovicka, P. Pravec, R. Hudec, and M. J. Coe
The Crab total gamma-ray emission as seen by CGRO, R Much, B A. Harmon, P. Nolan, Mark Strickman, K Bennett, R Buccheri, R Diehl, J. M. Fierro, Gerald J. Fishman, D. A. Grabelsky, J E. Grove, W Hermsen, W. N. Johnson, G. V. Jung, R. L. Kinzer, R Kroeger, L Kuiper, J Kurfess, G G. Lichti, S M. Matz, Mark L. McConnell, W Paciesas, W. R. Purcell, James M. Ryan, V. Schonfelder, H Steinle, A W. Strong, D. J. Thompson, M. P. Ulmer, M Varendorff, C. A. Wilson, and Robert B. Wilson
AMPTE/CCE and SCATHA simultaneous observations of magnetic signatures associated with a substorm onset, S. Ohtani, K. Takahashi, T. Higuchi, A. T. Y. Lui, and Harlan E. Spence
Direct Evidence for the Sequential Decay C60z+-->C58z+-->C56z+ -->, Paul Scheier, B. Dunser, R. Worgotter, D. Muigg, S. Matt, Olof Echt, M. Foltin, and Tilmann D. Mark
COMPTEL overview: Achievements and expectations., V. Schonfelder, K Bennett, H Bloemen, R Diehl, W Hermsen, G G. Lichti, Mark L. McConnell, James M. Ryan, A W. Strong, and C Winkler
Geospace Environment Modeling Program flourishes, Harlan E. Spence
The what, where, when, and why of magnetospheric substorm triggers, Harlan E. Spence
The response of the CGRO COMPTEL determined from Monte Carlo simulation studies., J G. Stacy, R M. Kippen, S C. Kappadath, Mark L. McConnell, D Morris, R S. Miller, A Connors, B. Hersh, James M. Ryan, John R. Macri, G. Simpson, V. Schonfelder, H Steinle, R VanDijk, and O R. Williams
Application of a Neural Network Simulation to the Modeling of the COMPTEL background, M Varendorff, D J. Forrest, Mark L. McConnell, and James M. Ryan
Sequential C2 Evaporation from C60z+: Theoretical and Experimental Aspects, R. Worgotter, B. Dunser, Paul Scheier, Tilmann D. Mark, M. Foltin, C. E. Klots, J. Laskin, C. Lifshitz, and Olof Echt
Submissions from 1995
CEPPAD, J. B. Blake, J. F. Fennell, L. M. Friesen, B. M. Johnson, W. A. Kolasinski, D. J. Mabry, J. V. Osborn, S. H. Penzin, E. R. Schnauss, Harlan E. Spence, D. N. Baker, and R. Belian
COMPTEL gamma-ray observations of the quasars CTA 102 and 3C 454.3, J J. Blom, H Bloemen, K Bennett, W Collmar, W Hermsen, Mark L. McConnell, V. Schonfelder, J G. Stacy, H Steinle, A W. Strong, and C Winkler
Evolution of Cluster Properties Towards Bulk Behavior, Olof Echt
CATSAT - a very low cost burst distance measuring mission, D J. Forrest, W T. Vestrand, Mark L. McConnell, James M. Ryan, and A Owens
Resonant Formation of Cluster Anions Containing SF6 Involving a Pick-up Experiment with Argon and Nitrogen Clusters, V. Grill, Olof Echt, and Tilmann D. Mark
On the Efficiency of Delayed Electron Emission from C60, Keith W. Kennedy and Olof Echt
Strong gamma-ray bursts observed by COMPTEL during its second year of operation, R M. Kippen, A Connors, Mark L. McConnell, James M. Ryan, W Collmar, J Greiner, V. Schonfelder, M Varendorff, W Hermsen, L Kuiper, K Bennett, L O. Hanlon, O R. Williams, and C Winkler
Analysis of COMPTEL gamma-ray burst locations and spectra, R M. Kippen, James M. Ryan, A Connors, Mark L. McConnell, C Winkler, L O. Hanlon, V. Schonfelder, J Greiner, M Varendorff, W Collmar, W Hermsen, and L Kuiper
Simultaneous and quasi-simultaneous observations of the continuum emission of the quasar 3C 273 from radio to γ-ray energies, G G. Lichti, T Balonek, T Courvoisier, N. Johnson, Mark L. McConnell, B McNamara, C Von Montigny, W Paciesas, E I. Robson, A Sadun, C Schalinski, R Staubert, H Steppe, B Swanenburg, M Turner, M Ulrich, O R. Williams, and A. G. Smith
Upper limits on the MeV emission of Seyfert galaxies, M Maisack, W Collmar, P Barr, H Bloemen, W Hermsen, G G. Lichti, Mark L. McConnell, V. Schonfelder, J G. Stacy, H Steinle, and O R. Williams
COMPTEL observations of the Crab during the CGRO sky survey, R Much, K Bennett, R Buccheri, M Busetta, R Diehl, D J. Forrest, W Hermsen, L Kuiper, G G. Lichti, Mark L. McConnell, James M. Ryan, V. Schonfelder, H Steinle, A W. Strong, and M Varendorff
The Crab nebula and pulsar in the MeV energy range, R Much, K Bennett, R Buccheri, M Busetta, R Diehl, D J. Forrest, W Hermsen, L Kuiper, G G. Lichti, Mark L. McConnell, James M. Ryan, V. Schonfelder, H Steinle, A W. Strong, and M Varendorff