Our major research areas include space science, condensed matter physics, nuclear physics, medical imaging, and string theory.
Faculty may submit research here.
Submissions from 1998
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
COMPTEL upper limits to MeV emission from the globular cluster 47 Tucanae, K. S. O'Flaherty, K Bennett, R Diehl, W Hermsen, Mark L. McConnell, James M. Ryan, V. Schonfelder, and C Winkler
Interaction of Electrons with C60+ and C60-: Post-Ionization, Dissociation, and Kinetic Energy Release, T. Rauth, Olof Echt, Paul Scheier, and Tilmann D. Mark
CGRO-COMPTEL observations of the Centaurus A region, H Steinle, K Bennett, H Bloemen, W Collmar, R Diehl, W Hermsen, G G. Lichti, Mark L. McConnell, D Morris, R Much, James M. Ryan, V. Schonfelder, A W. Strong, M Varendorff, and C Winkler
The black-hole candidate GRO J0422+32: MeV emission measured with COMPTEL., R Van Dijk, K Bennett, W Collmar, R Diehl, W Hermsen, G G. Lichti, Mark L. McConnell, James M. Ryan, V. Schonfelder, A W. Strong, J Van Paradijs, and C Winkler
COMPTEL observations of the quasars 3C 273 and 3C 279., O R. Williams, K Bennett, H Bloemen, W Collmar, R Diehl, W Hermsen, G G. Lichti, Mark L. McConnell, D Morris, R Much, James M. Ryan, V. Schonfelder, H Steinle, and A W. Strong
The detection of an unidentified variable gamma-ray source by COMPTEL., O R. Williams, R Much, K Bennett, H Bloemen, W Collmar, W Hermsen, G G. Lichti, Mark L. McConnell, James M. Ryan, V. Schonfelder, H Steinle, and C Winkler
Submissions from 1994
COMPTEL imaging of the Galactic disk and the separation of diffuse emission and point sources, H Bloemen, W Hermsen, B Swanenburg, C de Vries, R Diehl, V. Schonfelder, H Steinle, A W. Strong, A Connors, Mark L. McConnell, D Morris, G Stacy, K Bennett, and C Winkler
Multiply Charged Clusters, Olof Echt and Tilmann D. Mark
Crres observations of particle flux dropout events, J. F. Fennell, J. L. Roeder, Harlan E. Spence, H. Singer, and A. Korth
Observations of gamma-ray bursts by COMPTEL, L O. Hanlon, K Bennett, W Collmar, A Connors, R Diehl, R Van Dijk, J Greiner, J W. den Herder, W Hermsen, R M. Kippen, L Kuiper, Mark L. McConnell, James M. Ryan, V. Schonfelder, H Steinle, A W. Strong, M Varendorff, and C Winkler
Empirical modeling of the quiet time nightside magnetosphere, A. T. Y. Lui, Harlan E. Spence, and D. P. Stern
Internal Reactions and Metastable Dissociations after Ionization of van der Waals Clusters, Tilmann D. Mark and Olof Echt
Observations of Cygnus X-1 COMPTEL during 1991, Mark L. McConnell, D J. Forrest, James M. Ryan, W Collmar, V. Schonfelder, H Steinle, A W. Strong, R Van Dijk, W Hermsen, and K Bennett
COMPTEL measurements of the gamma-ray burst GRB 930131, James M. Ryan, K Bennett, W Collmar, A Connors, Gerald J. Fishman, J Greiner, L O. Hanlon, W Hermsen, R M. Kippen, C Kouveliotou, L Kuiper, G G. Lichti, John R. Macri, J. Mattox, Mark L. McConnell, B McNamara, C Meegan, V. Schonfelder, R VanDijk, M Varendorff, W Webber, and C Winkler
Submissions from 1993
Characteristics of ion flow in the quiet inner plasma sheet, V. Angelopoulos, C. F. Kennel, F. V. Coroniti, R. Pellat, Harlan E. Spence, Margaret G. Kivelson, Raymond J. Walker, W. Baumjohann, W. C. Feldman, J. T. Gosling, and C. T. Russell
COMPTEL observations of the Crab and VELA pulsars, K Bennett, H Aarts, H Bloemen, R Buccheri, M Busetta, W Collmar, A Connors, A Carramiñana, R Diehl, H deBoer, J W. den Herder, W Hermsen, L Kuiper, J Lockwood, G G. Lichti, John R. Macri, Mark L. McConnell, D Morris, R Much, James M. Ryan, V. Schonfelder, G. Simpson, J G. Stacy, H Steinle, A W. Strong, B Swanenburg, B G. Taylor, M Varendorff, C de Vries, W Webber, and C Winkler
COMPTEL observations of gamma-ray bursts, A Connors, W Collmar, L O. Hanlon, W Hermsen, R M. Kippen, Mark L. McConnell, James M. Ryan, V. Schonfelder, M Varendorff, O R. Williams, and C Winkler
COMPTEL results on the 1.809 MeV gamma-ray line from the Galactic-center region, R Diehl, K Bennett, H Bloemen, W Collmar, W Hermsen, G G. Lichti, Mark L. McConnell, D Morris, James M. Ryan, V. Schonfelder, H Steinle, A W. Strong, B Swanenburg, M Varendorff, and C Winkler
First results from COMPTEL measurement of the Al-26 1.8 MeV gamma-ray line from the Galactic center region, R Diehl, K Bennett, H Bloemen, H deBoer, M Busetta, W Collmar, A Connors, J W. den Herder, C. deVries, W Hermsen, J Knodlseder, L Kuiper, G G. Lichti, J Lockwood, John R. Macri, Mark L. McConnell, D Morris, R Much, James M. Ryan, V. Schonfelder, G. Simpson, J G. Stacy, H Steinle, A W. Strong, B Swanenburg, M Varendorff, P. von Ballmoos, W Webber, and C Winkler
COMPTEL Observations of the 1.809 MeV Gamma-Ray Line from Galactic 26Al, R Diehl, C. Dupraz, K Bennett, H Bloemen, H deBoer, W Hermsen, G G. Lichti, Mark L. McConnell, D Morris, James M. Ryan, V. Schonfelder, H Steinle, A W. Strong, B Swanenburg, M Varendorff, and C Winkler
COMPTEL detections of the quasars 3C 273 and 3C 279, W Hermsen, H Aarts, K Bennett, H Bloemen, H deBoer, W Collmar, A Connors, R Diehl, R VanDijk, J W. den Herder, L Kuiper, G G. Lichti, J Lockwood, John R. Macri, Mark L. McConnell, D Morris, James M. Ryan, V. Schonfelder, G. Simpson, H Steinle, A W. Strong, B Swanenburg, C de Vries, W Webber, O R. Williams, and C Winkler
Delayed electron emission from higher fullerenes Cn, n .ltoreq. 96, following excitation at 1064 nm, Keith W. Kennedy and Olof Echt
Thermionic Emission from Free, Photoexcited Tungsten Clusters, Thomas Leisner, Kalliopi Athanassenas, Dietmar Kreisle, Ekkehard Recknagel, and Olof Echt
Preliminary results from COMPTEL on a search for gamma-ray line emission from SN 1991T, G G. Lichti, K Bennett, H Bloemen, H deBoer, M Busetta, W Collmar, A Connors, R Diehl, R Van Dijk, J W. den Herder, W Hermsen, L Kuiper, J Lockwood, John R. Macri, Mark L. McConnell, D Morris, R Much, James M. Ryan, V. Schonfelder, G. Simpson, J G. Stacy, H Steinle, A W. Strong, B Swanenburg, M Varendorff, C de Vries, and C Winkler
Comptel observations of solar flare gamma-rays, Mark L. McConnell, K Bennett, D J. Forrest, L O. Hanlon, James M. Ryan, V. Schonfelder, B Swanenburg, and C Winkler
Neutron Flux Measurements in Near-Earth Orbit with COMPTEL, D Morris, H. Aarts, K Bennett, R. Byrd, G. Eymann, J Lockwood, Mark L. McConnell, James M. Ryan, and H Steinle
Production of Non-Stoichiometric SF6 Cluster Anions by Electron Attachment to SF6 Clusters, T. Rauth, Olof Echt, and Tilmann D. Mark
Comptel measurements of solar flare neutrons, James M. Ryan, K Bennett, H Debrunner, D J. Forrest, J Lockwood, M Loomis, Mark L. McConnell, D Morris, V. Schonfelder, B Swanenburg, and W Webber
Initial results from COMPTEL onboard GRO, V. Schonfelder, K Bennett, H Bloemen, H deBoer, M Busetta, W Collmar, A Connors, R Diehl, J W. den Herder, W Hermsen, L Kuiper, G G. Lichti, J Lockwood, John R. Macri, Mark L. McConnell, D Morris, R Much, James M. Ryan, J G. Stacy, H Steinle, A W. Strong, B Swanenburg, M Varendorff, C de Vries, and C Winkler
Surface charging analysis of high-inclination, high-altitude spacecraft: Identification and physics of the plasma source region, Harlan E. Spence, J. B. Blake, and J. F. Fennell
Contributions of the low-latitude boundary layer to the finite width magnetotail convection model, Harlan E. Spence and M. G. Kivelson
COMPTEL OBSERVATIONS OF AGNs, H Steinle, H Bloemen, W Collmar, R Diehl, W Hermsen, G G. Lichti, Mark L. McConnell, James M. Ryan, V. Schonfelder, G Stacy, A W. Strong, B Swanenburg, M Varendorff, and O R. Williams
The Crab and Galactic anticentre region observed by COMPTEL, A W. Strong, K Bennett, H Bloemen, H deBoer, R Buccheri, M Busetta, W Collmar, A Connors, R Diehl, J W. den Herder, W Hermsen, L Kuiper, J Lockwood, G G. Lichti, John R. Macri, Mark L. McConnell, D Morris, R Much, James M. Ryan, V. Schonfelder, G. Simpson, J G. Stacy, H Steinle, B Swanenburg, M Varendorff, C Winkler, and C de Vries
Thermionic Emission from Fullerenes, Gerhard Walder, Keith W. Kennedy, and Olof Echt
Space-time structure of the morning aurora inferred from coincident DMSP-F6,-F8, and Søndrestrøm incoherent scatter radar observations, J. Watermann, O. De la Beaujardiere, and Harlan E. Spence
Submissions from 1992
Thermionic Emission of Free Niobium Clusters, Kalliopi Athanassenas, Thomas Leisner, U. Frenzel, H. Weidele, Olof Echt, Dietmar Kreisle, and Ekkehard Recknagel
Multiply Charged Atomic Clusters, Olof Echt
Metal Clusters: How Many Atoms are Required for Thermionic Emission?, Thomas Leisner, Kalliopi Athanassenas, Olof Echt, Dietmar Kreisle, and Ekkehard Recknagel
Thermionic Emission of Free Tantalum Clusters, Thomas Leisner, Kalliopi Athanassenas, Olof Echt, Dietmar Kreisle, and Ekkehard Recknagel