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Electron dipole transitions and x-ray laser gain in ca-like ions / Zaher Fuad Darwish Alsamak ; Supervised Tharwat Elsherbini , Sami H. Allam , Ahmed Abou Elmaaref

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Zaher Fuad Darwish Alsamak , 2019Description: 245 P. : facimiles ; 25cmOther title:
  • الانتقالات الالكترونية ثنائية القطب وليزر الأشعة السينية فى الأيونات شبيهة الكالسيوم [Added title page title]
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Dissertation note: Thesis (Ph.D.) - Cairo University - Faculty of Science - Department of Physics Summary: Energy levels, transition probabilities, oscillator strengths and lifetimes are calculated using CIV3 and LANL codes for ions in the Ca isoelectronic sequence (Z=22 to Z= 30, except Fe VII). Calculated values show good agreement with the experimental results. Collisional excitation rate coefficients are calculated using the analytical formula of Vriens and Smeets. Level population densities are calculated by solving the coupled rate equations and gain coefficient for the ions and are calculated at three selected electron temperatures, namely 1/4, 1/2 and 3/4 of the ionization potential energy (IP). The promising laser emission lines in the XUV and soft X-ray spectral regions, are at wavelengths between 730-970 {u02DA}A for Ni IX, Cu X, Zn XI ions
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.20.Ph.D.2019.Za.E (Browse shelf(Opens below)) Not for loan 01010110081465000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.20.Ph.D.2019.Za.E (Browse shelf(Opens below)) 81465.CD Not for loan 01020110081465000

Thesis (Ph.D.) - Cairo University - Faculty of Science - Department of Physics

Energy levels, transition probabilities, oscillator strengths and lifetimes are calculated using CIV3 and LANL codes for ions in the Ca isoelectronic sequence (Z=22 to Z= 30, except Fe VII). Calculated values show good agreement with the experimental results. Collisional excitation rate coefficients are calculated using the analytical formula of Vriens and Smeets. Level population densities are calculated by solving the coupled rate equations and gain coefficient for the ions and are calculated at three selected electron temperatures, namely 1/4, 1/2 and 3/4 of the ionization potential energy (IP). The promising laser emission lines in the XUV and soft X-ray spectral regions, are at wavelengths between 730-970 {u02DA}A for Ni IX, Cu X, Zn XI ions

Issued also as CD

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