Johnson, Robert E. - Departments of Materials Science and Engineering & Astronomy, University of Virginia

• GEOPHYSICALRESEARCHLETTERS,VOL. 16, NO. 11, PAGES1233-1236, NOVEMBER1989 EFFECT OF IRRADIATION ON THE SURFACE OF PLUTO
• Space Science: Atmospheres Evolution of planets
• Cassini observations of the thermal plasma in the vicinity of Saturn's main rings and the F and G rings
• JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 97, NO. A9, PAGES 13,911-13,914, SEPTEMBER 1, 1992 Comment on "Dayside Pickup Oxygen Ion Precipitation at Venus and Mars'
• Molecular dynamics study of non-equilibrium energy transport from a cylindrical track: Part II
• Icarus 177 (2005) 461471 www.elsevier.com/locate/icarus
• of the lactose operon. In our view, the model is fundamentally correct and con-
• ICARUS 91, 101--104 (1991) Primordial Comet Mantle" Irradiation Production
• Collisional spreading of Enceladus' neutral cloud T.A. Cassidy *, R.E. Johnson
• Space Science: Atmospheres Out-Gassing Bodies
• 429Nuclear Instruments and Methods in Physics Research B14 (1986) 429-435 North-Holland, Amsterdam
• Low-temperature beam-induced deposition of thin tin films H. 0. Funsten,a)J. W. Boring, and R. E. Johnson
• A High-Amplitude Thermal Anomaly of Probable Magnetospheric Origin on Saturns Moon Mimas
• Icarus 149, 384396 (2001) doi:10.1006/icar.2000.6528, available online at http://www.idealibrary.com on
• 444 Brazilian Journal of Physics, vol. 29, no. 3, September, 1999 Stimulated Desorption of Atoms and
• Nature Macmillan Publishers Ltd 1997 NATURE |VOL 388 |3 JULY 1997 45
• Planetary and Space Science 56 (2008) 12381243 Sputtering of ice grains and icy satellites in
• The Astrophysical Journal, 704:13411348, 2009 October 20 doi:10.1088/0004-637X/704/2/1341 C 2009. The American Astronomical Society. All rights reserved. Printed in the U.S.A.
• ICARUS77, 311-329(1989) The Neutral Cloud and Heavy Ion Inner Torus at Saturn
• Circulation (Cont) Global Circulation
• 304 Nuclear Instruments and Methods in Physics Research B13 (1986) 304-308 North-Holland, Amsterdam
• C. R. Physique 4 (2003) 791801 New frontiers in the Solar System: trans-Neptunian objects/Les nouvelles frontires
• 1CAItUS69, 519--531 (1987) Magnetospheric Plasma Sputtering of Io's Atmosphere
• Saturn's magnetospheric interaction with Titan as defined by Cassini encounters T9 and T18: New results
• flux for A 0 1, 16, and 32 of 0.0046, 0.010, and 0.0240, respectively.
• Molecular Dynamics Study of Vibrational Excitation Dynamics and Desorption in Solid O2 Lukasz Dutkiewicz,*, Robert E. Johnson, Akos Vertes, and Roman Pedrys
• Ring Particle Composition and Size Distribution Jeff Cuzzi, Roger Clark, Gianrico Filacchione, Richard French, Robert Johnson,
• Icarus 156, 136142 (2002) doi:10.1006/icar.2001.6763, available online at http://www.idealibrary.com on
• Surface Science 451 (2000) 108115 www.elsevier.nl/locate/susc
• The Astrophysical Journal, 609:L99L102, 2004 July 10 2004. The American Astronomical Society. All rights reserved. Printed in U.S.A.
• ICARUS 70, 111--123 (1987) Sputtering of Sulfur by Kiloelectronvolt Ions: Application to the
• Space Sci Rev (2008) 139: 355397 DOI 10.1007/s11214-008-9415-3
• Enceladus plume variability and the neutral gas densities in Saturn's magnetosphere
• Fluid/Kinetic Hybrid Simulation of Atmospheric Escape: Pluto Orenthal J. Tuckera
• R. E. Johnson Energetic ChargedParticle
• Icarus 164 (2003) 261281 www.elsevier.com/locate/icarus
• Space Sci Rev (2008) 139: 399436 DOI 10.1007/s11214-008-9413-5
• Icarus 157, 456463 (2002) doi:10.1006/icar.2002.6858
• Fine jet structure of electrically charged grains in Enceladus' plume G. H. Jones,1,2
• The structure and time variability of the ring atmosphere and ionosphere W.-L. Tseng a,*, W.-H. Ip a
• Crater formation by ion bombardment as a function of incident angle
• Icarus 191 (2007) 236250 www.elsevier.com/locate/icarus
• Preliminary interpretation of Titan plasma interaction as observed by the Cassini Plasma Spectrometer: Comparisons with Voyager 1
• Space Science I: Planetary Atmospheres
• Sodium recycling at Europa: what do we learn from the sodium cloud variability?
• ICARUS75, 423-436(1988) Analysis of Voyager Images of Europa: Plasma Bombardment
• DISSOCIATIVE CHARGE EXCHANGE AND IONIZATION OF O2 BY FAST H+ ENERGETIC ION INTERACTIONS IN EUROPA'S OXYGEN
• Icarus 184 (2006) 543555 www.elsevier.com/locate/icarus
• JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 94, NO. A3, PAGES 2677-2683, MARCH 1, 1989 Charge Exchange Cross Sections for the Io Plasma Torus
• Elsevier Editorial System(tm) for Icarus Manuscript Draft
• R. E. Johnson Energetic ChargedParticle
• Titan interaction with Saturn's magnetosphere: Voyager 1 results revisited
• Energetic charged particle weathering of Saturn's inner satellites C. Paranicas a,n
• Fundamental Plasma Processes in Saturn's Magnetosphere B.H. Mauk, D.C. Hamilton, T.W. Hill, G.B. Hospodarsky, R.E. Johnson, C. Paranicas, E. Roussos,
• ICARUS 128, 469471 (1997) ARTICLE NO. IS975746
• Publications of the Astronomical Society of the Pacific, 118: 11361143, 2006 August 2006. The Astronomical Society of the Pacific. All rights reserved. Printed in U.S.A.
• Understanding the escape of water from Enceladus M. H. Burger,1
• Nuclear Instruments and Methods in Physics Research B19/20 (1987) 9-15 9 North-Holland, Amsterdam
• GEOPHYSICALRESEARCHLETTERS, VOL. 16, NO. 10, PAGES 1117-1120, OCTOBER1989 PLASMAION HEATINGOF AN SO2 ATMOSPHEREON IO
• ICARUS 78, 1--13 (1989) Magnetospheric Ion Bombardment Profiles of Satellites
• www.elsevier.com/locate/asr Adv.SpaceRes.Vol.27,No.11,pp. 1881-1888,2001
• The global plasma environment of Titan as observed by Cassini Plasma Spectrometer during the first two close encounters with Titan
• Electron sources in Saturn's magnetosphere A. M. Rymer,1
• 392 Nuclear Instruments and Methods in Physics Research B14 (1986) 392-402 North-Holland, Amsterdam
• Crater formation by single ions in the electronic stopping regime: Comparison of molecular dynamics simulations with experiments on organic films
• ICARUS93, 45-52 (1991) Micrometeorite Erosion of the Main Rings as a Source of Plasma
• Nuclear Instruments and Methods m Physics Research B 82 (1993) 301-309 North-Holland Beam Interactions
• Neutral H2 and H2 ions in the Saturnian magnetosphere
• CALLISTO: NEW INSIGHTS FROM GALILEO DISK-RESOLVED UV MEASUREMENTS Amanda R. Hendrix
• R. E. Johnson Energetic ChargedParticle
• Space Science: Atmospheres Eddy Mixing
• Planetary and Space Science 49 (2001) 533537 www.elsevier.nl/locate/planspasci
• Molecular-dynamics simulations of electronic sputtering E. M. Bringa and R. E. Johnson
• Space Science: Atmospheres Part-7c-07
• Molecular dynamics simulation of sputtering from a cylindrical track: EAM versus pair potentials
• The Astrophysical Journal Letters, 729:L24 (5pp), 2011 March 10 doi:10.1088/2041-8205/729/2/L24 C 2011. The American Astronomical Society. All rights reserved. Printed in the U.S.A.
• Dissociation of N2 in capture and ionization collisions with fast H+ ions and modeling of positive ion formation in the Titan
• Planetary and Space Science 50 (2002) 123128 www.elsevier.com/locate/planspasci
• Erratum: ``Semiclassical calculation of collisional dissociation cross sections for NN2'' J. Chem. Phys. 117, 6556 ,,2002...
• Refereed Publications/Journals Cassidy, T.A. and R.E. Johnson, A.R. Hendrix, "Collisional Evolution of the Enceladus
• www.elsevier.com/locate/asr Adv. SpaceRes. Vol. 27, No. 11, pp. 1875-1880, 2001
• Planetary and Space Science 49 (2001) 319326 www.elsevier.nl/locate/planspasci
• Icarus 149, 133159 (2001) doi:10.1006/icar.2000.6498, available online at http://www.idealibrary.com on
• Space Science: Atmosphere Thermal Structure
• Stratosphere and Mesosphere Chemical Rate Equations
• Thermosphere EUV absorption
• Upper Atmosphere + Ionosphere Diffusion : Molecular + Eddy
• Space Science: Atmospheres General Circulation
• Space Science: Atmospheres Viscosity + Eddy Mixing
• Circulation (Cont) Means of Transferring Heat
• Space Science: Atmospheres Venus, Earth and Mars
• Production of Oxygen in Ice Introduction
• Collisional Evolution of the Enceladus Neutral Cloud T. A. Cassidya
• A model of interaction of Phobos' surface with the martian environment F. Cipriani a
• Kinetic simulations of thermal escape from a single component atmosphere Alexey N. Volkov, Orenthal J. Tucker, Justin T. Erwin, and Robert E. Johnson
• Titan's thermospheric response to various plasma environments J. H. Westlake,1
• Space Sci Rev (2010) 153: 299315 DOI 10.1007/s11214-009-9625-3
• Modification of the plasma in the nearvicinity of Enceladus by the enveloping dust
• Mercury exosphere I. Global circulation model of its sodium component
• Transport of energetic electrons into Saturn's inner magnetosphere C. Paranicas,1
• DOI: 10.1126/science.1198366 , 1813 (2010);330Science
• Europa's Surface Composition R. W. Carlson
• Carlson et al.: Europa's Surface Composition 283 Europa's Surface Composition
• Icarus 201 (2009) 182190 Contents lists available at ScienceDirect
• Electron density dropout near Enceladus in the context of water-vapor and water-ice
• Sputtering and heating of Titan's upper atmosphere
• Johnson et al.: Europa's Sputter-induced Atmosphere 507 Composition and Detection of Europa's
• Paranicas et al.: Europa's Radiation Environment 529 Europa's Radiation Environment and Its Effects on the Surface
• The Astrophysical Journal, 703:19471954, 2009 October 1 doi:10.1088/0004-637X/703/2/1947 C 2009. The American Astronomical Society. All rights reserved. Printed in the U.S.A.
• This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research
• Cassini detection of Enceladus' cold water-group plume ionosphere R. L. Tokar,1
• Thermally driven atmospheric escape: Monte Carlo simulations for Titan's atmosphere
• Enceladus: A potential source of ammonia products and molecular nitrogen for Saturn's magnetosphere
• Space Sci Rev (2008) 139: 362 DOI 10.1007/s11214-008-9403-7
• Space Sci Rev (2008) 139: 63105 DOI 10.1007/s11214-008-9383-7
• Cassini detection of water-group pick-up ions in the Enceladus torus R. L. Tokar,1
• Planetary and Space Science 56 (2008) 318 Ion and neutral sources and sinks within Saturn's inner
• Author's personal copy Icarus 191 (2007) 755764
• Icarus 188 (2007) 356366 www.elsevier.com/locate/icarus
• Planetary and Space Science 54 (2006) 12111224 Initial interpretation of Titan plasma interaction as observed by
• A test-particle model of the atmosphere/ionosphere system of Saturn's main rings
• Discovery of nitrogen in Saturn's inner magnetosphere H. T. Smith,1
• Plasma electrons above Saturn's main rings: CAPS observations A. J. Coates,1
• Preliminary results on Saturn's inner plasmasphere as observed by Cassini: Comparison with Voyager
• Icarus 176 (2005) 499507 www.elsevier.com/locate/icarus
• Icarus 178 (2005) 367385 www.elsevier.com/locate/icarus
• Plasma-induced clearing and redistribution of material embedded in planetary magnetospheres
• Planetary and Space Science 53 (2005) 15101514 Energy deposition of pickup ions and heating of Titan's atmosphere
• A NEW MODEL FOR COSMIC-RAY ION EROSION OF VOLATILES FROM GRAINS IN THE INTERSTELLAR MEDIUM
• Satellite atmospheres Melissa A. McGrath
• Linearity and additivity in cluster-induced sputtering: A molecular-dynamics study of van der Waals bonded systems
• Pickup ions at Dione and Enceladus: Cassini Plasma Spectrometer simulations
• Available online at www.sciencedirect.com Planetary and Space Science 51 (2003) 183192
• Mercury's sodium exosphere: Magnetospheric ion recycling Service d'Aeronomie du CNRS/IPSL, Verrie`res-Le-Buisson, France
• DISCOVERY OF SOFT X-RAY EMISSION FROM IO, EUROPA, AND THE IO PLASMA TORUS Ronald F. Elsner,1
• Icarus 159, 132144 (2002) doi:10.1006/icar.2002.6934
• Sputtering of nano-grains by energetic ions E.M. Bringa *, R.E. Johnson
• SOFT X-RAY EMISSIONS FROM PLANETS, MOONS, AND COMETS A. Bhardwaj(1)
• Planetary and Space Science 49 (2001) 645656 www.elsevier.nl/locate/planspasci
• Angular dependence of the sputtering yield from a cylindrical track E.M. Bringa *, R.E. Johnson
• THE PHYSICS AND CHEMISTRY OF SPUTTERING BY ENERGETIC PLASMA IONS
• The sputtering of an oxygen thermosphere by energetic O R. E. Johnson,1 D. Schnellenberger, and M. C. Wong2
• Icarus 143, 429433 (2000) doi:10.1006/icar.1999.6327, available online at http://www.idealibrary.com on
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• Molecular dynamics study of non-equilibrium energy transport from a cylindrical track
• O2 /O3 MICROATMOSPHERES IN THE SURFACE OF GANYMEDE R. E. JOHNSON AND W. A. JESSER
• Chemical damage in poly,,phenylene sulphide... from fast ions: Dependence on the primary-ion stopping power
• Molecular dynamics studies of minicascades in electronically stimulated sputtering of condensed-gas solids
• RMP Colloquia Sputtering of ices in the outer solar system
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• Nuclear Instruments and Methods in Physics Research B14 (1986) 373 377 North-Holland. Amsterdam
• ICARUS 62, 344-347 (1985) Polar Frost Formation on Ganymede
• Radiation effects on the surfaces of the Galilean satellites R. E. Johnson
• Icarus 173 (2005) 480498 www.elsevier.com/locate/icarus
• Production of oxygen by electronically induced dissociations in ice R. E. Johnson
• Negative ions at Titan and Enceladus: recent Andrew J. Coates,*ab
• Planetary and Space Science 55 (2007) 22182220 Erratum to ``Cassini observations of Saturn's inner plasmasphere
• The Astrophysical Journal, 644:L137L139, 2006 June 20 2006. The American Astronomical Society. All rights reserved. Printed in U.S.A.
• Heavy ion formation in Titan's ionosphere: Magnetospheric introduction of free oxygen and a source of Titan's aerosols?
• DOI: 10.1126/science.1151524 , 1380 (2008);319Science
• JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 96, NO. E2, PAGES 17,535-17,539, SEPTEMBER 25, 1991 ALTERATIONOF THEUV-VISIBLE REFLECTANCESPECTRAOF H20 ICE BY ION BOMBARDMENT
• Space Science : Atmosphere Greenhouse Effect
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• Titan's atomic and molecular nitrogen tori H. T. Smith,1
• Internarional Journal of Mass Spectrometry and Ion Processes 126 ( 1993) 1l-24 0168-l 176/93/$06.00 0 1993 -Elsevier Science Publishers B.V., Amsterdam
• R. E. Johnson Energetic ChargedParticle
• Icarus 178 (2005) 417428 www.elsevier.com/locate/icarus
• ICARUS 78, 206--210 (1989) Application of Laboratory Data to the Sputtering
• Space Science I: Planetary Atmospheres
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• Transport of energetic electrons into Saturn's inner magnetosphere4 C. Paranicas1
• Exospheric signatures of alkali abundances in Europa's regolith F. Cipriani,1
• The Astrophysical Journal, 716:15731578, 2010 June 20 doi:10.1088/0004-637X/716/2/1573 C 2010. The American Astronomical Society. All rights reserved. Printed in the U.S.A.
• Observations of molecular oxygen ions in Saturn's inner magnetosphere
• Spike models for sputtering: Eect of the surface and the material E.M. Bringa a
• GEOPHYSICAL RESEARCH LETTERS, VOL. 18, NO. 11, PAGES 2169-2172, NOVEMBER 1991 LUNAR SURFACE' SPUTTERING AND SECONDARY ION MASS SPECTROMETRY
• ELECTRONIC SPUTTERING: FROM ATOMIC PHYSICS
• ASTROBIOLOGY Volume 6, Number 3, 2006
• Far-out surface science: radiation-induced surface processes in the solar system
• ASTROBIOLOGY Volume 3, Number 4, 2003
• ICARUS 51, 528-548 (1982) Thermal-and Plasma-Induced Molecular Redistribution
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• Planetary and Space Science 54 (2006) 11971210 Cassini observations of Saturn's inner plasmasphere
• Saturn: Search for a missing water source M. A. McGrath,2
• Comment on "Laboratory studies of the optical properties and stability of oxygen on Ganymede" by Raul A. Baragiola and
• Simulation of Na D emission near Europa during eclipse T. A. Cassidy,1
• motely (18). This substantial neutral source from Enceladus may go some way toward answering
• Identification of photoelectron energy peaks in Saturn's inner neutral torus
• CASSINI PLASMA SPECTROMETER INVESTIGATION D. T. YOUNG1
• Fluid dynamics calculation of sputtering from a cylindrical thermal spike M. M. Jakas,1,
• Icarus 171 (2004) 557560 www.elsevier.com/locate/icarus
• Abstract Although Titan's atmospheric column density is about ten times that of the Earth's, its measured 15
• Energetic nitrogen ions within the inner magnetosphere E. C. Sittler Jr.,1
• MAGNETOSPHERIC AND PLASMA SCIENCE WITH CASSINI-HUYGENS
• Europa's disk-resolved ultraviolet spectra: Relationships with plasma flux and surface terrains
• A High-Amplitude Thermal Inertia Anomaly of1 Probable Magnetospheric Origin on Saturn's Moon2
• August 24th Dear Astrophysical Journal Letters Editor,
• A high-amplitude thermal inertia anomaly of probable magnetospheric origin on Saturn's moon Mimas
• Charged nanograins in the Enceladus plume1 T. W. Hill,1
• Thermally driven escape from Pluto's atmosphere: A1 combined fluid/kinetic model2
• The Interaction of Non-Magnetic Solar System Bodies with Fast
• Seasonal Variations in Saturn's Plasma between the Main Rings and Enceladus1 M. K. Elrod1
• This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research
• Detection of Exospheric O2 at Saturn's Moon Dione
• Space Sci Rev (2011) 164:183 DOI 10.1007/s11214-011-9850-4
• Escape of atoms from Mars: A comparison of the exobase
• Cassini in Titan's tail: CAPS observations of plasma escape1 A.J. Coates1,2
• Attendees Hotels Sunday, Monday and Tuesday Nights (Feb 26-28)
• Thermally driven escape from Pluto's atmosphere: A combined fluid/kinetic model O.J. Tucker
• Modeling the Seasonal Variability of the Plasma Environment in Saturn's Magnetosphere between Main Rings and Mimas
• Magnetospheric ion sputtering and water ice grain size at Europa T. A. Cassidy a