RT info:eu-repo/semantics/article
T1 Demonstration of Geometric Effects and Resonant Scattering in the X-Ray Spectra of High-Energy-Density Plasmas
A1 Marley, E. V.
A1 Liedahl, D. A.
A1 Jarrott, L. C.
A1 Kemp, G. E.
A1 Heeter, R. F.
A1 Emig, J. A.
A1 Foord, M. E.
A1 Schneider, M. B.
A1 Rose, S. J.
A1 Wark, J. S.
A1 Pérez Callejo, Gabriel
AB In a plasma of sufficient size and density, photons emitted within the system have a probability of being re-absorbed and re-emitted multiple times - a phenomenon known in astrophysics as resonant scattering. This effect alters the ratio of optically-thick to optically thin lines, depending on the plasma geometry and viewing angle, and has significant implications for the spectra observed in a number of astrophysical scenarios, but has not previously been studied in a controlled laboratory plasma. We demonstrate the effect in the x-ray spectra emitted by cylindrical plasmas generated by high power laser irradiation, and the results confirm the geometrical interpretation of resonant scattering.
PB American Physical Society
SN 0031-9007
YR 2021
FD 2021
LK https://uvadoc.uva.es/handle/10324/64399
UL https://uvadoc.uva.es/handle/10324/64399
LA eng
NO Physical Review Letters, Febrero 2021, vol. 126, p. 085001
NO Producción Científica
DS UVaDOC
RD 27-dic-2024