LAWRENCE W. TOWNSEND

CONFERENCE INVITED TALKS

1. Townsend, L.W.; and Wilson, J.W.: Space Radiation Protection Methods. Proceedings of the Space Radiation Effects Workshop, Houston, TX, November 16-18, 1983.

2. Townsend, L.W.; and Wilson, J.W.: Overview of Space Radiation Protection Methods. Presented to Committees 40 and 75 of the National Council on Radiation Protection and Measurements (NCRP). Space Radiation Effects Workshop, Houston, TX, November 16-18, 1983.

3. Wilson, J.W.; Townsend, L.W.; and Seltzer, S: Space Radiations and Their Interactions. 30th Annual Meeting of the Health Physics Society, Chicago, Illinois, May 26-31, 1985.

4.* Townsend, L.W.: Nuclear Cross Sections for Heavy Charged-Particle Transport. 1986 Annual Meeting of the American Nuclear Society, Reno Nevada, June 15-19, 1986. Transactions of the American Nuclear Society, Vol. 52, 1986, pp. 387-389.

5.* Townsend, L.W.; and Wilson, J.W.: Galactic Heavy Ion Propagation Through Spacecraft. Natural Space Radiation and VLSI Technology Conference, houston, Texas, January 20-21, 1987. NASA CP-10023, pp. II-3-1 to II-3-10.

6.* Wilson, J.W.; Townsend, L.W. Ganapol, B.D.; and Lamkin, S.L.: Methods for High Energy Hadronic Beam Transport. 1988 Annual Meeting of the American Nuclear Society, San Diego, California, June 12-16, 1988. Transactions of the American Nuclear Society, Vol. 56, 1988, pp. 271-272.

7.* Townsend, L.W.; and Wilson, J.W.: Nuclear Cross Sections for Hadronic Transport. 1988 Annual Meeting of the American Nuclear Society, San Diego, California, June 12-16, 1988. Transactions of the American Nuclear Society, Vol. 56, 1988, pp. 277-279.

8.* Ganapol, B.D.; Wilson, J.W.; and Townsend, L.W.: Benchmark Solutions for the Galactic Ion Transport Equations 1988 Annual Meeting of the American Nuclear Society, San Diego, California, June 12-16, 1988. Transactions of the American Nuclear Society, Vol. 56, 1988, pp. 276-277.

9.* Townsend, L.W.; Wilson, J.W.; and Nealy, J.E.: Space Radiation Shielding Strategies and Requirements for Deep Space Missions. 19th Annual Intersociety Conference on Environmental Systems (ICES), San Diego, California, July 24-26 1989. SAE Paper No. 891433.

10.* Townsend, L.W.; Wilson, J.W.; Shinn, J.L.; and Curtis, S.B.: Human Exposure to Large Solar Particle Events in Space. Committee on Space Research (COSPAR) XXVIII Plenary Meeting, The Hague, The Netherlands, June 25-July 6, 1990. Advances in Space Research, Vol. 12, Nos. 2-3, 1992, pp. (2) 339-(2) 348.

11.* Curtis, S.B.; Townsend, L.W.; Wilson, J.W.; Powers-Risius, P.; Alpen, E.L.; and Fry, R.J.M.: Fluence-Related Risk Coefficients Using Harderian Gland Data as an Example. Committee on Space Research (COSPAR) XXVIII Plenary Meeting, The Hague, The Netherlands, June 25-July 6, 1990. Advances in Space Research, Vol. 12, Nos. 2-3, 1992 pp (2) 407-(2) 416.

12. Townsend, L.W.; and Wilson, J.W.: Interaction of Space Radiation With Matter. 41st International Astronautical Congress, Dresden, East Germany, October 6-13, 1990. Paper No. IAF/IAA-90-543.

13. Nealy, J.E.; Simonsen, L.C.; Wilson, J.W.; Townsend, L.W.; Qualls, G.D.; Schnitzler, B.G.; and Gates, M.M.: Radiation Exposure and Dose Estimates for a Nuclear Powered Manned Mars Sprint Mission. 8th Symposium on Space Nuclear Power Systems, Albuquerque, New Mexico, January 6-9, 1991. Proceedings of Eighth Symposium on Space Nuclear Power System, Part 2, (Edited by Mohamed S. El-Genk and Mark D. Hover), 1991, pp. 531-536 (CONF-910116).

14. Townsend, L.W.: Radiation Shielding: Options and Progress. NASA Johnson Space Center Tutorial on Space Radiation and SEI, Houston, Texas, December 14, 1990.

15. Wilson, J.W.; Townsend, L.W.; Cucinotta, F.A.; and Shinn, J.L.: Radiation Health Issues for Future NASA Missions. 2nd Consortium Conference on Space Radiation Effects on Materials, Devices, VLSI and Biosystems, Hampton, VA, March 18-20, 1991.

16. Townsend, L.W.; Cucinotta, F.A.; Shinn, J.L.; and Wilson, J.W.: Risk Analyses for the Solar Energetic Particle Events of August through December 1989. 1991 Annual Meeting of the Aerospace Medical Association, Cincinnati, Ohio, May 5-9, 1991. Aviation Space and Environmental Medicine, Vol. 62, No. 5, May 1991, p. 487.

17.* Townsend, L.W.; Cucinotta, F.A.; Shinn, J.L.; and Wilson, J.W.: Human Exposure to Galactic Cosmic Rays in Space. 9th International Congress of Radiation Research, Toronto, Canada, July 7-12, 1991. Proceedings of the 9th International Congress of Radiation Research, Vol. II. Edited by William C. Dewey, Martha Edington, R.J.M. Fry, Eric J. Hall, and Gordon F. Whitmore, (Academic Press, Inc., San Diego, California 1992), pp 487-492.

18.* Cucinotta, F.A.; Wilson, J.W.; Townsend, L.W.; Shinn, J.L.; Katz, R.: LET Analysis of Biological Damage During Solar Particle Events. 21st Annual International Conference on Environmental Systems (ICES), San Francisco, California, July 15-18, 1991. SAE Paper No. 911355.

19.* Simonsen, L.C.; Nealy, J.E.; Sauer, H.H.; and Townsend, L.W.: Solar Flare Protection for Manned Lunar Missions: Analysis of the October 1989 Proton Flare Event. 21st Annual International Conference on Environmental Systems (ICES), San Francisco, California, July 15-18, 1991. SAE Paper No. 911351.

20.* Wilson, J.W.; and Townsend, L.W.: Transport Methods for Space Radiations and Shielding Properties of Martian and Lunar Soil. Proceedings of the NATO Advanced Study Institute on Biological Effects and Physics of Solar and Galactic Cosmic Radiation, Portugal, October 12-23, 1991. Editors: C.E. Swenberg, G. Horneck, and E.G. Stassinopoulos (Plenum Publishing Co., New Yourk, 1992).

21.* Curtis, S.B.; Townsend, L.W.; and Wilson, J.W.: Effects of HZE Particles on Astronauts. 1991 Winter Meeting of the American Nuclear Society, San Francisco, California, November 10-15, 1991. Transactions of the American Nuclear Society, Vol. 64, 1991, pp. 462-463.

22.* Townsend, L.W.; Cucinotta, F.A.; Wilson, J.W.; Shinn, J.L.; and Badhwar, G.: Solar Modulation and Nuclear Fragmentation Effects in Galactic Cosmic Ray Transport Through Shielding. World Space Congress, Washington, DC, August 28-September 5, 1992. Advances in Space Research, Vol. 14, No. 10, October 1994, pp. (10) 853-(10) 861.

23.* Wilson, J.W.; Townsend, L.W.; Shinn, J.L.; Badavi, F.F.; and Lamkin, S.L.: Galactic Cosmic Ray Transport Methods: Past, Present, and Future. World Space Congress, Washington, DC, August 28-September 5, 1992. Advances in Space Research, Vol. 14, No. 10, October 1994, pp. (10) 841-(10) 852.

24.* Shinn, J.L.; Nealy, J.E.; Townsend, L.W.; Wilson, J.W.; and Wood, J.S.: Galactic Cosmic Ray Radiation Levels in Spacecraft on Interplanetary Missions. World Space Congress, Washington, DC, August 28-September 5, 1992. Advances in Space Research, Vol. 14, No. 10, October 1994, pp. (10) 863-(10) 871.

25.* Cucinotta, F.A.; Townsend, L.W.; Wilson, J. W.; Golightly, M.J.; and Weyland, M.: Analysis of Radiation Risk from Alpha Particle Component of Solar Particle Events. World Space Congress, Washington, DC, August 28-September 5, 1992. Advances in Space Research, Vol. 14, No. 10, October 1994, pp. (10) 661-(10) 871.

26. Townsend, L.W.: Methods of Heavy Ion Cross-Section Modeling for Galactic Cosmic Ray Shielding Applications. Proceeding of the International Symposium on Nuclear Data Evaluation Methodology, Upton, Long Island, New York, October 12-16, 1992. Edited by C.L. Dunford (World Scientific Publishing Co., New Jersey, 1993), pp. 515-524.

27.* Townsend, L.W.: Dose and Fluence Distributions for Different Shieldings, Missions, Scenarios, and Times During the Solar Cycle. COSPAR Colloquium No. 6-International Round Table on Radiation Risk in Humans on Exploratory Missions, Bad Honnef, Germany, May 11-14, 1993. Advances in Space Research (to be published).

28. Tripathi, R.K.; and Townsend, L.W.: Relativistic Heavy Ion Fragmentation Models. XVII International Workshop on Condensed Matter Theories, Nathiagali, Pakistan, June 18-24, 1993. Condensed Matter Theories, Vol. 9, Editor: J.W. Clark (Nova Science Publishers, New York, 1994).

29.* Townsend, L.W.; and Cucinotta, F.A.: Overview of Nuclear Fragmentation Models and Needs. COSPAR XXX Plenary Meeting, Hamburg, Germany, July 11-21 1994. Advances in Space Research, Vol. 17, No. 2, 1995, pp. (2)59-(2)68.

30.* Cucinotta, F.A.; Townsend, L.W.; Wilson, J.W.; Shinn, J.L.; Badhwar, G.D.; and Dubey, R.R.: Light Ion Components of the Galactic Cosmic Rays: Nuclear Interactions and Transport Theory. COSPAR XXX Plenary Meeting, Hamburg, Germany, July 11-21, 1994, Advances in Space Research, Vol. 17, No. 2, 1995, pp. (2)77-(2)86.

31.* Townsend, L.W.; and Tripathi, R.K.: Bose-Einstein Condensation of Nuclei. XIX International Workshop on condensed Matter Theories, Caracas, Venequela, June 12-17, 1995. Condensed Matter Theories, Vol. 11, Editor: E. Ludena (Nova Science Publishers, New York, in press).

32.* Townsend, L. W. and Zapp, E. N.: Dose Uncertainties for Large Solar Particle Events: Input Spectra Variability. Proceedings of the Impact of Solar Energetic Particle Events for Design of Human Missions Workshop, Houston, Texas, September 9-11, 1997.

33.* Zapp, E. N.; Ramsey, C. R.; Townsend, L. W.; and Badhwar, G. D.: Solar Particle Event Dose and Dose Rate Distributions: Parameterization of Dose-Time Profiles With Subsequent Dose-Rate Analysis. Proceedings of the Impact of Solar Energetic Particle Events for Design of Human Missions Workshop, Houston, Texas, September 9-11, 1997.


* Peer Reviewed/Screened

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