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Robert M. Walker - Publications

Affiliations: 
Physics Washington University, Saint Louis, St. Louis, MO 
Area:
planetary science
Website:
http://www.nap.edu/openbook.php?record_id=11429&page=378
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56 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2005 Stadermann F, Croat T, Bernatowicz T, Amari S, Messenger S, Walker R, Zinner E. Supernova graphite in the NanoSIMS: Carbon, oxygen and titanium isotopic compositions of a spherule and its TiC sub-components Geochimica Et Cosmochimica Acta. 69: 177-188. DOI: 10.1016/J.Gca.2004.06.017  0.69
2003 Messenger S, Keller LP, Stadermann FJ, Walker RM, Zinner E. Samples of stars beyond the solar system: silicate grains in interplanetary dust. Science (New York, N.Y.). 300: 105-8. PMID 12610229 DOI: 10.1126/Science.1080576  0.703
2003 Bernatowicz TJ, Messenger S, Pravdivtseva O, Swan P, Walker RM. Pristine presolar silicon carbide Geochimica Et Cosmochimica Acta. 67: 4679-4691. DOI: 10.1016/S0016-7037(03)00461-7  0.331
2003 Zinner E, Amari S, Guinness R, Nguyen A, Stadermann FJ, Walker RM, Lewis RS. Presolar spinel grains from the Murray and Murchison carbonaceous chondrites Geochimica Et Cosmochimica Acta. 67: 5083-5095. DOI: 10.1016/S0016-7037(03)00261-8  0.679
1998 Messenger S, Amari S, Gao X, Walker RM, Clemett SJ, Chillier XDF, Zare RN, Lewis RS. Indigenous Polycyclic Aromatic Hydrocarbons in Circumstellar Graphite Grains from Primitive Meteorites The Astrophysical Journal. 502: 284-295. DOI: 10.1086/305874  0.335
1997 Nittler LR, Alexander CM, Gao X, Walker RM, Zinner E. Stellar sapphires: The properties and origins of presolar Al2O3 in meteorites Astrophysical Journal. 483: 475-495. DOI: 10.1086/304234  0.684
1997 Bernatowicz TJ, Walker RM. Ancient Stardust in the Laboratory Physics Today. 50: 26-32. DOI: 10.1063/1.882049  0.34
1997 Nittler LR, Alexander CMO, Gao X, Walker RM, Zinner E. Presolar Al2O3 grains as probes of stellar nucleosynthesis and galactic chemical evolution Nuclear Physics. 621: 113-116. DOI: 10.1016/S0375-9474(97)00220-0  0.689
1994 Nittler LR, O'D Alexander CM, Gao X, Walker RM, Zinner EK. Interstellar oxide grains from the Tieschitz ordinary chondrite Nature. 370: 443-446. DOI: 10.1038/370443A0  0.697
1993 Clemett SJ, Maechling CR, Zare RN, Swan PD, Walker RM. Identification of complex aromatic molecules in individual interplanetary dust particles. Science (New York, N.Y.). 262: 721-5. PMID 17812337 DOI: 10.1126/Science.262.5134.721  0.371
1991 Walker RM. Comments on the Analysis of Returned Comet Samples Space Science Reviews. 56: 213-226. DOI: 10.1007/Bf00178412  0.315
1990 Alexander CMO, Swan P, Walker RM. In situ measurement of interstellar silicon carbide in two CM chondrite meteorites Nature. 348: 715-717. DOI: 10.1038/348715A0  0.406
1990 Olinger CT, Maurette M, Walker RM, Hohenberg CM. Neon measurements of individual Greenland sediment particles: proof of an extraterrestrial origin and comparison with EDX and morphological analyses Earth and Planetary Science Letters. 100: 77-93. DOI: 10.1016/0012-821X(90)90177-Y  0.431
1985 Sandford SA, Walker RM. Laboratory infrared transmission spectra of individual interplanetary dust particles from 2.5 to 25 microns. The Astrophysical Journal. 291: 838-851. DOI: 10.1086/163120  0.349
1985 Mckeegan KD, Walker RM, Zinner E. Ion microprobe isotopic measurements of individual interplanetary dust particles Geochimica Et Cosmochimica Acta. 49: 1971-1987. DOI: 10.1016/0016-7037(85)90091-2  0.751
1983 Zinner E, McKeegan KD, Walker RM. Laboratory measurements of D/H ratios in interplanetary dust Nature. 305: 119-121. DOI: 10.1038/305119A0  0.756
1982 Fraundorf P, McKeegan KD, Sandford SA, Swan P, Walker RM. An inventory of particles from stratospheric collectors: Extraterrestrial and otherwise Journal of Geophysical Research. 87: A403. DOI: 10.1029/Jb087Is01P0A403  0.753
1981 Fleisher RL, Price PB, Walker RM. Nuclear Tracks in Solids (Principles & Applications) Nuclear Technology. 54: 126-126. DOI: 10.13182/Nt81-A32766  0.352
1980 Fraundorf P, Patel RI, Shirck J, Walker RM, Freeman JJ. Optical spectroscopy of interplanetary dust collected in the earth's stratosphere Nature. 286: 866-868. DOI: 10.1038/286866A0  0.666
1977 Crozaz G, Poupeau G, Walker RM, Zinner E, Morrison DA. The Record of Solar and Galactic Radiations in the Ancient Lunar Regolith and their Implications for the Early History of the Sun and Moon Philosophical Transactions - Royal Society. Mathematical, Physical and Engineering Sciences. 285: 587-592. DOI: 10.1098/Rsta.1977.0103  0.671
1977 Fraundorf P, Flynn G, Shirck J, Walker R. Search for fission tracks from superheavy elements in Allende Earth and Planetary Science Letters. 37: 285-295. DOI: 10.1016/0012-821X(77)90174-1  0.63
1975 Walker RM. Interaction of energetic nuclear particles in space with the lunar surface Annual Review of Earth and Planetary Sciences. 3: 99-128. DOI: 10.1146/Annurev.Ea.03.050175.000531  0.309
1973 Blanford GE, Friedlander MW, Klarmann J, Walker RM, Wefel JP. Observation of Cosmic-Ray Particles withZ≥50and Interpretation of the Charge Spectrum Physical Review D. 8: 1722-1729. DOI: 10.1103/Physrevd.8.1722  0.375
1973 Blanford GE, Friedlander MW, Klarmann J, Pomeroy SS, Walker RM, Wefel JP, Fowler PH, Kidd JM, Kobetich EJ, Moses RT, Thorne RT. Observation of cosmic-ray particles with Z>35 Physical Review D. 8: 1707-1722. DOI: 10.1103/Physrevd.8.1707  0.384
1973 Geisler FH, Phillips PR, Walker RM. Search for Superheavy Elements in Natural and Proton-irradiated Materials Nature. 244: 428-429. DOI: 10.1038/244428A0  0.331
1972 Fleischer RL, Alter HW, Furman SC, Price PB, Walker RM. Particle track etching. Science (New York, N.Y.). 178: 255-63. PMID 5078248 DOI: 10.1126/Science.178.4058.255  0.373
1972 Blanford GE, Friedlander MW, Klarmann J, Pomeroy SS, Walker RM, Wefel JP. Observation of low-charge low-energy geomagnetically forbidden particles Journal of Geophysical Research. 77: 6037-6041. DOI: 10.1029/Ja077I031P06037  0.695
1972 Walker R, Zimmerman D. Fossil track and thermoluminescence studies of Luna 16 material Earth and Planetary Science Letters. 13: 419-422. DOI: 10.1016/0012-821X(72)90118-5  0.351
1971 Crozaz G, Walker RM. Solar particle tracks in glass from the surveyor 3 spacecraft. Science (New York, N.Y.). 171: 1237-9. PMID 17742571 DOI: 10.1126/Science.171.3977.1237  0.403
1971 Schreurs JWH, Friedman AM, Rokop DJ, Hair MW, Walker RM. Calibrated U-TH glasses for neutron dosimetry and determination of uranium and thorium concentration by the fission track method Radiation Effects and Defects in Solids. 7: 231-233. DOI: 10.1080/00337577108230993  0.304
1970 Crozaz G, Haack U, Hair M, Hoyt H, Kardos J, Maurette M, Miyajima M, Seitz M, Sun S, Walker R, Wittels M, Woolum D. Solid state studies of the radiation history of lunar samples. Science (New York, N.Y.). 167: 563-6. PMID 17781498 DOI: 10.1126/Science.167.3918.563  0.382
1970 Blanford GE, Walker RM, Wefel JP. Track etching parameters for plastics Radiation Effects and Defects in Solids. 3: 267-270. DOI: 10.1080/00337577008236285  0.324
1970 Blanford GE, Walker RM, Wefel JP. Enhancement of track etching by a spark discharge Radiation Effects and Defects in Solids. 3: 263-266. DOI: 10.1080/00337577008236284  0.337
1970 Walker RM. Fossil particle tracks in extraterrestrial materials Radiation Effects and Defects in Solids. 3: 239-248. DOI: 10.1080/00337577008236281  0.368
1970 Seitz M, Wittels MC, Maurette M, Walker RM, Heckman H. Accelerator Irradiations Of Minerals: Implications For Track Formation Mechanisms And For Studies Of Lunar And Meteoritic Materials. Radiation Effects and Defects in Solids. 5: 143-148. DOI: 10.1080/00337577008235014  0.312
1970 Blanford GE, Walker RM, Wefel JP. Calibration of plastic track detectors for use in cosmic ray experiments Radiation Effects and Defects in Solids. 5: 41-45. DOI: 10.1080/00337577008234993  0.379
1970 Burnett DS, Monnin M, Seitz M, Walker R, Woolum D, Yuhas D. Charged particle track studies in lunar rock 12013 Earth and Planetary Science Letters. 9: 127-136. DOI: 10.1016/0012-821X(70)90045-2  0.41
1968 Fleischer R, Price P, Walker R. Identification of Pu244 fission tracks and the cooling of the parent body of the Toluca meteorite Geochimica Et Cosmochimica Acta. 32: 21-31. DOI: 10.1016/0016-7037(68)90086-0  0.329
1967 Huang WH, Walker RM. Fossil alpha-particle recoil tracks: a new method of age determination. Science (New York, N.Y.). 155: 1103-6. PMID 17812006 DOI: 10.1126/Science.155.3766.1103  0.337
1967 Fleischer RL, Price PB, Walker RM, Filz RC, Fukui K, Friedlander MW, Holeman E, Rajan RS, Tamhane AS. Tracks of cosmic rays in plastics. Science (New York, N.Y.). 155: 187-9. PMID 17738220 DOI: 10.1126/Science.155.3759.187  0.547
1967 Fleischer RL, Price PB, Walker RM, Maurette M, Morgan G. Tracks of heavy primary cosmic rays in meteorites Journal of Geophysical Research. 72: 355. DOI: 10.1029/Jz072I001P00355  0.381
1967 Fleischer RL, Price PB, Walker RM, Maurette M. Origins of fossil charged-particle tracks in meteorites Journal of Geophysical Research. 72: 331. DOI: 10.1029/Jz072I001P00331  0.433
1966 Fleischer RL, Price PB, Walker RM. Simple Detectors for Neutrons or Heavy Cosmic Ray Nuclei Review of Scientific Instruments. 37: 525-527. DOI: 10.1063/1.1720238  0.301
1965 Fleischer RL, Price PB, Walker RM. Tracks of Charged Particles in Solids. Science (New York, N.Y.). 149: 383-93. PMID 17809397 DOI: 10.1126/Science.149.3682.383  0.416
1965 Fleischer RL, Naeser CW, Price PB, Walker RM, Marvin UB. Fossil Particle Tracks and Uranium Distributions in Minerals of the Vaca Muerta Meteorite. Science (New York, N.Y.). 148: 629-32. PMID 17801934 DOI: 10.1126/Science.148.3670.629  0.422
1965 Fleischer RL, Price PB, Walker RM. Ion Explosion Spike Mechanism for Formation of Charged‐Particle Tracks in Solids Journal of Applied Physics. 36: 3645-3652. DOI: 10.1063/1.1703059  0.357
1965 Fleischer RL, Price PB, Walker RM. Spontaneous fission tracks from extinct Pu244in meteorites and the early history of the solar system Journal of Geophysical Research. 70: 2703-2707. DOI: 10.1029/Jz070I011P02703  0.35
1965 Fleischer RL, Price PB, Walker RM. Effects of temperature, pressure, and ionization of the formation and stability of fission tracks in minerals and glasses Journal of Geophysical Research. 70: 1497-1502. DOI: 10.1029/Jz070I006P01497  0.31
1964 Fleischer RL, Price PB, Walker RM, Hubbard EL. Track Registration in Various Solid-State Nuclear Track Detectors Physical Review. 133: A1443-A1449. DOI: 10.1103/Physrev.133.A1443  0.412
1964 Maurette M, Pellas P, Walker RM. Cosmic-Ray-Induced Particle Tracks in a Meteorite Nature. 204: 821-823. DOI: 10.1038/204821A0  0.389
1963 Fleischer RL, Price PB, Walker RM. Method of Forming Fine Holes of Near Atomic Dimensions Review of Scientific Instruments. 34: 510-512. DOI: 10.1063/1.1718419  0.376
1963 Price PB, Walker RM. Fossil tracks of charged particles in mica and the age of minerals Journal of Geophysical Research. 68: 4847-4862. DOI: 10.1029/Jz068I016P04847  0.404
1962 Price PB, Walker RM. Chemical Etching of Charged‐Particle Tracks in Solids Journal of Applied Physics. 33: 3407-3412. DOI: 10.1063/1.1702421  0.402
1962 Price PB, Walker RM. Observations of Charged‐Particle Tracks in Solids Journal of Applied Physics. 33: 3400-3406. DOI: 10.1063/1.1702420  0.385
1962 Price PB, Walker RM. Observation of Fossil Particle Tracks in Natural Micas Nature. 196: 732-734. DOI: 10.1038/196732A0  0.397
1955 Walker RM, Preston RS, Fowler EC, Kraybill HL. Production of Neutral V-Events by Cosmotron Neutrons Physical Review. 97: 1086-1092. DOI: 10.1103/PhysRev.97.1086  0.571
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