Studies on effective atomic numbers, electron densities and mass attenuation coefficients in Au alloys

HAN İ., DEMİR L.

JOURNAL OF X-RAY SCIENCE AND TECHNOLOGY, cilt.18, sa.1, ss.39-46, 2010 (SCI-Expanded) identifier identifier identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 18 Sayı: 1
  • Basım Tarihi: 2010
  • Doi Numarası: 10.3233/xst-2010-0238
  • Dergi Adı: JOURNAL OF X-RAY SCIENCE AND TECHNOLOGY
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.39-46
  • Anahtar Kelimeler: Mass attenuation coefficients, effective atomic number, effective electron density, alloy, Au, PHOTON ENERGY-ABSORPTION, ESSENTIAL AMINO-ACIDS, RANGE 1 KEV, SUPERCONDUCTOR
  • Atatürk Üniversitesi Adresli: Evet

Özet

The total mass attenuation coefficients (mu/rho) for pure Au and Au99Be1, Au88Ge12, Au95Zn5 alloys were measured at 59.5 and 88.0 keV photon energies. The samples were irradiated with Am-241 and Cd-109 radioactive point source using transmission arrangement. The gamma-rays were counted by a Si(Li) detector with resolution of 160 eV at 5.9 keV. Total atomic and electronic cross-sections (sigma(t) and sigma(e)), effective atomic and electron densities (Z(eff) and N-el) were determined using the obtained mass attenuation coefficients for investigated Au alloys. The theoretical mass attenuation coefficients of each alloy were estimated using mixture rule.