Abstract
Transition radiation is emitted when a charged particle traverses a boundary separating two media. Such radiation must therefore be emitted as X-rays and ultraviolet radiation, from a medium where cosmic-ray electrons pass through dust grains. Calculation shows that transition radiation emitted in this way might account for soft X-rays emission from relativistic charged dust grains in the intergalactic medium (IGM). This could be a help in understanding the IGM as well as an indirect method of measuring the energies of high energy particles.
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References
Bass, F. G. and Yakovenko, V. M.: 1966,Soviet Phys., Uspekhi 8, 420.
Durand, L.: 1973,Astrophys. J. 182, 417.
Henry, R. C., Fritz, G., Meekins, J. F., Friedman, H., and Byram, E. T.: 1968,Astrophys. J. 153, L11.
Johansson, S. A. E.: 1971,Astrophys. Lett. 9, 147.
Leitch-Devlin, M. A., Millar, T. J., and Williams, D. A.: 1976,Astrophys. Space Sci. 45, 467.
Nandy, K., Morgan, D. H., and Reddish, V. C.: 1974,Monthly Notices Roy. Astron. Soc. 169, 19pp.
yodh, G. B., Artura, X., and Ramaty, R.: 1973,Astrophys. J. 181, 725.
Yuan, L. C. L., Wang, C. L., Lito, H., and Prünsters, H.: 1970,Phys. Lett. 31B, 603.
Watson, W. D.: 1973,Astrophys. J. 182, 17.
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Dasgupta, A.K. Transition radiation from relativistic intergalactic dust grains. Astrophys Space Sci 62, 241–243 (1979). https://doi.org/10.1007/BF00643918
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DOI: https://doi.org/10.1007/BF00643918