In order to measure the location of an electron you may use a photon, so the photon would hit the electron exactly where the electron, according to QFT. But wouldn't the mass of the electron create a black hole because then its mass would produce radius from which the photon can't escape, and that radius would be bigger than the Planck length? So my question is whether the position of the electron will be set when the photon would be very close to the electron or only when the photon actually meets the electron?
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