Distances shorter than 1 pm

This page lists lengths shorter than 1 picometre (10−12 m).

Femtometre scale

  • 1 × 10−13 metres = 100 fm = 0.1 pm.
  • ≈ 1 × 10−13 metres = 1 x unit
  • 1 × 10−14 metres = 10 fm
  • 7 fm - the radius of the effective scattering cross section for a gold nucleus scattering a 6 MeV alpha particle over 140 degrees
  • 2.81794 fm — classical electron radius
  • 1.5 fm — diameter of the Scattering Cross Section of an 11 MeV proton with a target proton
  • 1 × 10−15 metres = 1 fm = 1 femtometre = 1,000 attometres

    • Attometre scale

  • 850 am = 0.85 fm — approximate proton radius
  • 1 × 10−16 metres = 100 am
  • 1 × 10−17 metres = 10 am
  • 1 × 10−18 metres = 1 am = 1 attometre = 1,000 zeptometres
  • 1.0 am — sensitivity of the LIGO detector for gravitational waves.

    • Zeptometre scale

  • 310 zm — de Broglie wavelength of protons at the Large Hadron Collider (4 TeV as of 2012)
  • 1 × 10−19 metres = 100 zm
  • 1 × 10−20 metres = 10 zm
  • 7 × 10−21 metres = radius of effective cross section for a 250 GeV neutrino scattering off a nucleon
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    This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/Distances_shorter_than_1_pm

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