Abstract
view Abstract Citations (55) References (46) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The Fragmentation and Vaporization of Dust in Grain-Grain Collisions Borkowski, Kazimierz J. ; Dwek, Eli Abstract We present a detailed analysis of the evolution of the size distribution of fast-moving interstellar dust particles decelerating in a dusty plasma. The physical processes considered in this paper include sputtering by gas-grain collisions, and partial and complete evaporation, fragmentation, and cratering by grain-grain collisions. We find that the final distribution of grains, initially characterized by a power-law distribution in grain sizes, exhibits an excess of small-to-large particles, compared to the initial distribution. This excess depends on the initial grain velocity and should be detectable by infrared observations of low- and intermediate-velocity clouds with the Infrared Space Observatory scheduled for launch around 1996. Publication: The Astrophysical Journal Pub Date: November 1995 DOI: 10.1086/176480 Bibcode: 1995ApJ...454..254B Keywords: ISM: DUST; EXTINCTION full text sources ADS |
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