Background
Langer, William David was born on September 28, 1942 in New York City. Son of Eli and Ann Langer.
(Atomic and molecular processes play an important role in ...)
Atomic and molecular processes play an important role in laboratory and astrophysical plasmas for a wide range of conditions, and determine, in part, their electrical, transport, thermal, and radiation properties. The study of these and other plasma properties requires a knowledge of the cross sections, reaction rate coefficients, and inelastic energy transfers for a variety of collisional reactions. In this review, we provide quantitative information about the most important collision processes occurring in hy drogen, helium, and hydrogen-helium plasmas in the temperature range from 0. 1 eV to 20 keY. The material presented here is based on published atomic and molecular collision data, theoretical calculations, and appro priate extrapolation and interpolation procedures. This review gives the properties of each reaction, graphs of the cross sections and reaction rate coeffiCients, and the coefficients of analytical fits for these quantities. We present this information in a form that will enable researchers who are not experts in atomic physics to use the data easily. The authors thank their colleagues at the Princeton Plasma Physics Laboratory and in the atomic physics community who have made many useful suggestions for the selection and presentation o. f t. he material. We gratefully acknowledge the excellent technical assistance of Elizabeth Carey for the typing, and Bernie Giehl for the drafting. This work was supported in part by the U. S. Department of Energy Contract No. DE-AC02-76-CHO-3073. Princeton, USA R. K. Janev W. D. Langer September, 1987 K. Evans, Jr. , D. E.
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Langer, William David was born on September 28, 1942 in New York City. Son of Eli and Ann Langer.
Bachelor of Science, New York University, 1964; Master of Science, Yale University, 1965; Doctor of Philosophy, Yale University, 1968.
National Research Council postdoctoral fellow, GISS/National Aeronautics and Space Administration, New York City, 1968-1970;
North Atlantic Treaty Organization postdoctoral fellow, Niels Bohr Institute, Copenhagen, 1970-1971;
research assistant professor, New York University, New York City, 1971-1976;
assistant professor, University of Pennsylvania, Philadelphia, 1976-1978;
associate professor, U. Massachusetts, Amherst, 1978-1980;
principal research physicist, Princeton (New Jersey) Plasma Physics Laboratory, 1980-1991;
senior research scientist, Jet Propulsion Laboratory, Pasadena, California, since 1991;
supervisor radio and submillimeter astronomy group, Jet Propulsion Laboratory, Pasadena, California, 1992-1997;
head astrophysics, Jet Propulsion Laboratory, Pasadena, California, since 1997. Visiting astronomer American Telephone & Telegraph Company Bell laboratories, Holmdel, New Jersey, 1976-1992. Member Planetary Sys.
Science Working Group, Washington, 1992-1994.
(Atomic and molecular processes play an important role in ...)
Married Amy C. Sherwood, October 8, 1982 (divorced November 1985). Married Lois Ann Petren, June 30, 1992.