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Compton wavelength shift

Δλ = 0.002426 nm

Δλ=λC(1−cos⁡θ),λC=h/(mec)=2.426 pm\Delta\lambda = \lambda_C(1-\cos\theta),\quad \lambda_C=h/(m_ec)=2.426\,\mathrm{pm}

Δλ = λ_C (1 − cos θ) with λ_C = 2.426 pm, independent of E.

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