The so-called K doublet of characteristic X-ray radiation is often used for the precise measurements of a

The so-called Kα doublet of characteristic X-ray radiation is often used for the precise measurements of a lattice parameter. The effect of this ( mathrm Kα doublet on the diffraction angle becomes more prominent in a peak detected in the high angle region. Explain the reason and its separation  {Kα₁ and  Kα₂).
 

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The K doublet represents two close but distinct spectral lines in the Xray spectra of elements These correspond to the emission of Xray photons by an ... View the full answer