M sub-shell X-ray fluorescence cross-section measurements for six elements in the range Zâ¯=â¯78-92 at tuned synchrotron photon energies 5, 7 and 9â¯keV.
Keywords: مقطع فلورسانس اشعه ایکس; Synchrotron photons; M sub-shell x-rays; X-ray fluorescence cross-sections; Coster- kronig transitions; Fluorescence yields;