Researcher profile · Semantic Scholar

R. Sheldon

h-index: 19
Works: 104
Citations: 1,489

Most-cited papers

Cusp energetic particle events: Implications for a major acceleration region of the magnetosphere
Jiasheng Chen, T. Fritz, R. Sheldon, H. Spence +6 more
1998163 citations Open access
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Recurrent geomagnetic storms and relativistic electron enhancements in the outer magnetosphere: ISTP coordinated measurements
D. Baker, Xin-Lin Li, N. Turner, J. H. Allen +14 more
1997163 citations Open access
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Neon-20, oxygen-16, and helium-4 densities, temperatures, and suprathermal tails in the solar wind determined with WIND/MASS
M. Collier, D. Hamilton, G. Gloeckler, P. Bochsler +1 more
1996144 citations
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Ion transport and loss in the Earth's quiet ring current: 1. Data and standard model
R. Sheldon, D. Hamilton
1993127 citations
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First energetic neutral atom images from Polar
Mike G. Henderson, G. Reeves, H. Spence, R. Sheldon +3 more
1997103 citations
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A new, temporarily confined population in the polar cap during the August 27, 1996 geomagnetic field distortion period
Jiasheng Chen, T. Fritz, R. Sheldon, H. Spence +3 more
199791 citations
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The solar WIND and suprathermal ion composition investigation on the WIND spacecraft
G. Gloeckler, H. Balsiger, A. Bürgi, P. Bochsler +13 more
199577 citations Open access
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The role of the cusp as a source for magnetospheric particles: A new paradigm?
T. Fritz, Jiasheng Chen, R. Sheldon
200046 citations Open access
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Simulation of off-equatorial ring current ion spectra measured by Polar for a moderate storm
V. Jordanova, C. Farrugia, J. Quinn, R. Torbert +3 more
199939 citations
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New high-resolution electrostatic ion mass analyzer using time of flight
D. Hamilton, G. Gloeckler, F. Ipavich, R. A. Lundgren +2 more
199038 citations
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An Assessment of Space Environmental Conditions During the Recent Anik E1 Spacecraft Operational Failure
D. Baker, J. H. Allen, R. Belian, J. Blake +13 more
199636 citations
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Oxygen 16 to oxygen 18 abundance ratio in the solar wind observed by Wind/MASS (Paper 97JA02245)
M. Collier, D. Hamilton, G. Gloeckler, G. C. Ho +3 more
199831 citations Open access
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Cusp energetic particle events measured by POLAR spacecraft
T. Fritz, Jiasheng Chen, R. Sheldon, H. Spence +4 more
199930 citations Open access
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Observation of the 40 keV field‐aligned ion beams
R. Sheldon, H. Spence, J. Fennell
199829 citations
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Ion transport and loss in the Earth's quiet ring current: 2. Diffusion and magnetosphere‐ionosphere coupling
R. Sheldon
199429 citations
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Radiation pressure measurements on micron‐size individual dust grains
M. Abbas, P. Craven, J. Spann, W. Witherow +8 more
200325 citations
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Particle Tracing in the Magnetosphere: New Algorithms and Results (Paper 93GL00835) 767
R. Sheldon, J. Gaffey
199324 citations Open access
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Astrobiology of comets
R. Hoover, E. Pikuta, N. Wickramasinghe, M. Wallis +1 more
2004SPIE Optics + Photonics23 citations
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On the current sheet model with κ distribution
P. Yoon, A. Lui, R. Sheldon
200620 citations
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Dusty Plasma Based Fission Fragment Nuclear Reactor
R. Clark, R. Sheldon
200517 citations
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Evidence for liquid water on comets
R. Sheldon, R. Hoover
2005SPIE Optics + Photonics15 citations
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Cosmological evolution: spatial relativity and the speed of life
R. Sheldon, R. Hoover
2008Optical Engineering + Applications13 citations
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The cometary biosphere
R. Sheldon, R. Hoover
2007SPIE Optical Engineering + Applications13 citations
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Implications of cometary water: deep impact, stardust, and Hyabusa
R. Sheldon, R. Hoover
2006SPIE Optics + Photonics13 citations
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Comment on “Origins of energetic ions in the cusp” by K. J. Trattner et al.
R. Sheldon, Jiasheng Chen, T. Fritz
200311 citations Open access
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Identification of magnetospheric particles that travel between spacecraft and their use to help obtain magnetospheric potential distributions
E. Whipple, J. Halekas, J. Scudder, W. Paterson +8 more
199810 citations
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Tail lobe and open field line region entries at mid to high latitudes
J. Fennell, J. Blake, J. Roeder, R. Sheldon +1 more
199710 citations Open access
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Comparison of energetic ions in cusp and outer radiation belt
Jiasheng Chen, T. Fritz, R. Sheldon
20059 citations
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Alfvén boundaries: Noses and zippers
R. Sheldon, H. Spence
19979 citations Open access
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Solid and grid sphere current collection in view of the tethered satellite system TSS 1 and TSS 1R mission results
G. Khazanov, E. Krivorutsky, R. Sheldon
20058 citations
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Multiple spacecraft observations of energetic ions during a high solar wind pressure event
Jiasheng Chen, T. Fritz, R. Sheldon
20058 citations Open access
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Comets, Information, and the Origin of Life
R. Sheldon
20127 citations
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The spinning terrella plasma experiment: Initial results
R. Sheldon, S. Spurrier
20017 citations
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Kinetic temperature ratios of O6+ and He2+: Observations from Wind/MASS and Ulysses/SWICS
C. Cohen, M. Collier, D. Hamilton, G. Gloeckler +3 more
19967 citations
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Historical development of the distinction between bio- and abiogenesis
R. Sheldon
2005SPIE Optics + Photonics6 citations
Semantic Scholar
Comment on “MeV magnetosheath ions energized at the bow shock” by S.-W. Chang et al.
Jiasheng Chen, T. Fritz, R. Sheldon
20036 citations
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Dynamic and optical characterization of dusty plasmas for use as solar sails
R. Sheldon, E. Thomas, M. Abbas, D. Gallagher +2 more
20026 citations
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The discovery of a new acceleration and possible trapping region of the magnetosphere
Jiasheng Chen, T. Fritz, R. Sheldon, J. Pickett +1 more
20016 citations
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The quadrupole as a source of cusp energetic particles : I. General considerations
R. Sheldon, T. Fritz, Jiasheng Chen
20135 citations
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The Kilo-Satellite Constellation Concept
H. E. Petschek, C. Rayburn, R. Sheldon, J. Vickers +3 more
19985 citations
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Carbonaceous chondrites as bioengineered comets
R. Sheldon, R. Hoover
2012Optics & Photonics - Optical Engineering + Applications4 citations
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More evidence for liquid water on comets
R. Sheldon, R. Hoover
2011Optical Engineering + Applications4 citations
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The Quadrupole as a Source of Energetic Particles: III. Outer Radiation Belt and MeV electrons
R. Sheldon, Jiasheng Chen, T. Fritz
20084 citations
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The bimodal magnetosphere and ring current, radiation belt, and tail transducers
R. Sheldon
20004 citations
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Ring current response to interplanetary magnetic cloud events
J. Roeder, J. Fennell, M. Grande, S. Livi +1 more
19994 citations
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Particle transport in the magnetosphere: A new diffusion model
R. Sheldon, T. Eastman
19974 citations
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Corrosion rates of structural materials on the ocean floor
C. Barth, R. Sheldon
19894 citations
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The cometary biosphere and the origin of life
R. Sheldon
2011Optical Engineering + Applications3 citations
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POLAR spacecraft observations of helium ion angular anisotropy in the Earth’s radiation belts
W. Spjeldvik, T. Fritz, Jiasheng Chen, R. Sheldon
19993 citations Open access
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Concept Assessment of a Fission Fragment Rocket Engine (FFRE) Propelled Spacecraft
Robert O. Werka, R. Clark, R. Sheldon, T. Percy
20122 citations
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D. Hamilton

×6

J. Fennell×5

S. Livi×4

G. Gloeckler×4

W. Spjeldvik×3

C. Russell×3

J. Pickett×3

M. Collier×3