Use the literature and notes to state the incoming radiation (particles) in the fol- lowing spectroscopies, and in each case, state the nature of the atomic transition involved: aes -auger electron spectroscopy rbs - rutherford backscattering spectrometry sims - secondary ion mass spectroscopy xps - x-ray photoelectron spectroscopy xrf - x-ray fluorescence spectroscopy sem-scanning electron μ probe nra - nuclear reaction analysis