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Proton range (Bragg–Kleeman)

R = 26.02 cm

R=αEp,p1.77,α0.0022cmMeVpR=\alpha E^{p},\quad p\approx 1.77,\quad \alpha\approx 0.0022\,\mathrm{cm\,MeV}^{-p}

R = α E^p in water, with p ≈ 1.77 and α ≈ 0.0022 cm·MeV^{−p}.

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