International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Most Trusted Research Journal Since Year 2012

ISSN: 2319-7064

Research Paper | Astronomy Science | Iraq | Volume 6 Issue 12, December 2017

Photoionization and Photoabsorption Cross Section in Ionosphere

Sura I. Gburi

This paper is devoted to a critical review of photoabsorption cross sections and photoionization for molecules and elements of astrophysical interest at wavelengths less than 1200 angstrom (). The photoabsorption cross section and photoionization cross sections for element oxygen (O) and molecules oxygen (O2), nitrogen (N2), hydrogen (H2), methanol (CH4), water (H2O), Dual-dioxide (CO2), Omnidirectional dioxide (CO) have been measured in the wavelength range 601200. The result founded that the distributions of all molecules are appeared at photoabsorption cross section but not all molecules have photoionization cross section, and it related that the CO2 molecules have the both in Photoabsorption and photoionization cross section. Also this review contains a complete set of cross-section-versus-wavelength values for each molecule, the prepared figures are used to compare the results of several determinations such as behaviors of molecules with wavelength, ratio of number molecules in both photoionization and photoabsorption and the maximum value of all molecules which founded is CO =99*1018 cm2 at = 949.

Keywords: ionosphere, Photoionization cross section, photoabsorption cross section

Edition: Volume 6 Issue 12, December 2017

Pages: 1556 - 1558


How to Cite this Article?

Sura I. Gburi, "Photoionization and Photoabsorption Cross Section in Ionosphere", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=ART20179041, Volume 6 Issue 12, December 2017, 1556 - 1558

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